US20080235081A1 - Apparatuses and methods for wireless monitoring and control of supplies for environmental sampling and chromatographic apparatuses - Google Patents

Apparatuses and methods for wireless monitoring and control of supplies for environmental sampling and chromatographic apparatuses Download PDF

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Publication number
US20080235081A1
US20080235081A1 US12/150,224 US15022408A US2008235081A1 US 20080235081 A1 US20080235081 A1 US 20080235081A1 US 15022408 A US15022408 A US 15022408A US 2008235081 A1 US2008235081 A1 US 2008235081A1
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United States
Prior art keywords
wireless communication
communication device
customer
consumables
chromatographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/150,224
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English (en)
Inventor
Dale A. Davison
Dale L. Meyer
Daniel G. Jameson
Jack E. Silver
Jon L. Curran
Ruth A. Pipes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teledyne Instruments Inc
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Teledyne Isco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/699,169 external-priority patent/US20080183401A1/en
Application filed by Teledyne Isco Inc filed Critical Teledyne Isco Inc
Priority to US12/150,224 priority Critical patent/US20080235081A1/en
Assigned to TELEDYNE ISCO, INC. reassignment TELEDYNE ISCO, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MEYER, DALE L., CURRAN, JON L., DAVISON, DALE A., JAMESON, DANIEL G., PIPES, RUTH A., SILVER, JACK E.
Publication of US20080235081A1 publication Critical patent/US20080235081A1/en
Priority to JP2011506299A priority patent/JP2011521323A/ja
Priority to EP09733702.6A priority patent/EP2272002A4/fr
Priority to PCT/US2009/002528 priority patent/WO2009131697A1/fr
Assigned to TELEDYNE INSTRUMENTS, INC. reassignment TELEDYNE INSTRUMENTS, INC. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: TELEDYNE ISCO, INC.
Priority to US13/650,690 priority patent/US8746559B1/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N35/00732—Identification of carriers, materials or components in automatic analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N35/00871—Communications between instruments or with remote terminals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/0092—Scheduling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0201—Market modelling; Market analysis; Collecting market data
    • G06Q30/0202—Market predictions or forecasting for commercial activities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/24—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the treatment of the fractions to be distributed
    • B01D15/247—Fraction collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/52—Filter identification means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
    • G01N2030/889—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 monitoring the quality of the stationary phase; column performance

Definitions

  • This invention relates to apparatuses and methods for the wireless monitoring, identification and control of environmental and chromatographic apparatuses and synthetic chemistry and more particularly for control of supplies used by the environmental and chromatographic apparatuses.
  • Wireless communication for the purpose of monitoring, identifying and controlling devices and apparatus are known.
  • RFID devices and Bluetooth devices are in widespread use to identify devices and transfer information to a receiver.
  • U.S. Pat. No. 5,690,893 to Ozawa, et al. U.S. Pat. No. 6,971,506 to Hassinen and U.S. Pat. No. 6,458,273 to Krakover.
  • U.S. Pat. No. 5,690,893 discloses a semi-conductor having a non-volatile memory embedded within it and storing information such as changes in the specification of the column, mixing ratios of eluant flow rate, theoretical plates and other information.
  • the semi-conductor device is used for wireless communication to permit a data processor to receive the information stored in the semi-conductor.
  • U.S. Pat. No. 6,971,506 and U.S. Pat. No. 6,458,273 disclose a test tube carrier with an RFID tag on test tubes and a micro titer plate that is bar coded.
  • wireless devices are used to control the inventory of the products at the convenient location and to provide for the access to the products by prearranged customers.
  • the wireless communication devices enable the point of purchase to be near the customer by generating records such as billing records in accordance with access by an identified customer to the local site and removal of tagged consumables by the identified customer.
  • information used in generating the billing and accounts payable and the like for the customer are automatically generated at the site by RFID devices connected to the products and this information is transmitted to a central office to permit convenient local storage near a customer without customer paperwork at the point of purchase near the customer.
  • This prior art point of purchase system has several disadvantages, such as for example: (1) there are multiple purchases that must be kept track of by the customer and by the seller even though this process is automated with the aid of the RFID devices; (2) the long term cost to the customer of the consumable items is not predictable before the purchases are made; (3) the amount of stock that must be kept must be carefully managed to avoid exceeding shelf life; (4) the cost spent per year out of a budget or for whatever time period of the budget is unpredictable; and (5) the storage space for the consumables requires expensive monitoring and contains consumables owned by a remote seller until after it is removed by the customer from the local storage facility causing excessive insurance paperwork and capital expenses.
  • an object of the invention to provide a novel wireless multiple fraction instrument and process such as for example, an instrument for wireless monitoring and control of environmental sampling apparatuses or chromatographic apparatuses.
  • AMAN As Much As Needed
  • a multiple fraction instrument includes at least one pumping system, at least one flow path, a flow path mounting fixture, a container mounting fixture adapted for receiving at least one container and a controller.
  • the at least one pumping system has a first wireless communication device and the controller has a second wireless communication device.
  • There is at least one other component of the multiple fraction instrument that has a third wireless communication device.
  • the second wireless communication device is positioned to communicate wirelessly with at least the first and third wireless communication devices.
  • at least one other analytical instrument is connected to receive a fraction from the flow path.
  • multiple fraction instrument or process means instruments or processes used in scientific or investigative work such as in the separation sciences or environment studies that process multiple fractions or samples or component parts in a manner that requires identification or control of individual fractions or component parts or samples or the recall of information about individual ones of the fractions or component parts or samples.
  • wireless communication device means a device that can either receive and/or transmit information wirelessly and may or may not have a non-volatile memory for storing information such as data or programs that can be transmitted, altered or sequenced or received.
  • a wireless communication device may be either a transmitter, or a reader, a transceiver or any combination of these. In the preferred embodiment, they are RFID devices but may be Bluetooth or Wi-Fi or Zigbee optical systems such as bar code systems or any other wireless system.
  • a liquid chromatographic system includes at least one column at least one column mounting fixture adapted for receiving the at least one column, at least one detector positioned to receive effluent from the at least one column, at least one controller, and at least one other component of a liquid chromatographic system.
  • the at least one column has a first wireless communication device and at least one other component of a liquid chromatographic system has a second wireless communication device.
  • the at least one controller has a third wireless communication device connected to communicate with the at least one controller and at least one of the first, second and third wireless communication devices is positioned to communicate with at least another of first, second and third wireless communication devices.
  • There is at least one detector connected to a fourth wireless communication device and positioned to receive effluent from the column.
  • the fourth wireless communication device transmits information about detected species to the third wireless communication device.
  • a fraction collector and at least one collection vessel rack is positioned to receive effluent from the at least one detector and includes a fifth wireless communication device in communication with the fraction collector and at least a sixth wireless communication device in communication with one of the third and the fifth wireless communication devices.
  • a personal computer has a wireless communication device that communicates with a wireless communication device on the at least one controller.
  • the personal computer has an electronic notebook in memory and records customized data therein.
  • data representing a chromatographic curve for a chromatographic column is recorded in a first wireless communication device attached to the chromatographic column. This curve is read when the chromatographic column is inserted into a column mounting fixture on a liquid chromatographic system.
  • the data representing a chromatogram is received on a second wireless communication device communicating with a controller for the liquid chromatographic system.
  • Data representing the sequence of solvent conditions for the chromatographic curve is transmitted from the second wireless communication device to a third wireless communication device communicating with a pumping system within the liquid chromatographic system. The data is used to pump the solvents to the chromatographic column in accordance with the sequence of solvent conditions transmitted to the third wireless communication device.
  • Data is wirelessly transmitted to the second wireless communication device from a fourth wireless communication device communicating with at least one detector positioned to receive effluent from the chromatographic column and data is transmitted from the second wireless communication device to a readout device to indicate peaks detected by the at least one detector and to a fraction collector to activate collection of bands.
  • a controller having a gradient program stored within it and a first wireless communication device electrically connected to and communicating with the controller to transmit information to a pumping system.
  • the pumping system in a preferred embodiment includes at least two syringe pumps and at least two sources of liquid.
  • the pumps may include at least one wireless communication device which receives data from a wireless communication device on the controller to control pumping rates.
  • the chromatographic system may include at least one time proportioning electronically controllable liquid gradient switching valve and a second wireless communication device communicating with the at least one time proportioning electronically controllable liquid gradient switching valve.
  • the switching valve is connected to switch liquid flow from one or the other of the at least two sources of liquid to an inlet of at least one of the at least two syringe pumps.
  • the first and second wireless communication devices are wired to transmit switching times of the at least one time proportioning electronically controllable liquid gradient switching valve to form gradient stored in the controller.
  • One of the at least two syringe pumps is used for each one of multiple channels.
  • Each of the at least two syringe pumps has a displacement of at least five milliliters and one of the at least two syringe pumps has a discharge outlet connected to a sample injection device and thence to a chromatographic column.
  • the at least one wireless communication device includes a memory.
  • the memory has data recorded in it representing a starting concentration of a solvent whereby the chromatographic system may separate a preselected component of a sample with the starting concentration of the solvent.
  • the memory has data recorded in it representing a chromatographic curve with a starting concentration for purifying the preselected component of a sample and an ending point.
  • the instrument array may include a plurality of multiple fraction instruments, a general control system and at least some of a plurality of multiple fraction instruments.
  • the multiple fraction instruments may include a corresponding one of a plurality of first wireless communication devices
  • the general control system includes a second wireless communication device and an input device for programming the computer.
  • the second wireless communication device is positioned to communicate selectively or simultaneously with at least one of the plurality of the first wireless communication devices whereby the general control system may coordinate any of the plurality of multiple fraction instruments.
  • At least some of said multiple fraction instruments are liquid chromatographs and some are other types of instruments.
  • the liquid chromatographs include columns having corresponding third wireless communication devices in communication with them.
  • the third wireless communication devices include a nonvolatile memory having data indicating that the fractions collected are to be applied to other analytical instruments and instructions for the operations to be performed by the other analytical instruments.
  • the other analytical instruments may be mass spectrometers for example.
  • Wireless communication devices connected to containers receiving fractions from the liquid chromatographs may include a nonvolatile memory having data indicating that the fractions collected are to be applied to other analytical instruments and instructions for the operations to be performed by the other analytical instruments.
  • the other analytical instrument may be a mass spectrometer or any other instrument useful in further purifying or analyzing the output from the liquid chromatographs.
  • a chemical processor includes at least one reaction station having a reaction time controller, a controllable pipette or pump, a reactant vessel and a receptacle conveyor.
  • the at least one reaction station includes at least a first wireless communication device and a plurality of receptacles. Each of the plurality of receptacles is connected to communicate with and is attached to one of a corresponding second wireless communication device.
  • At least some of the first, second and third wireless communication devices have a nonvolatile memory with data indicating at least one of the history of materials in the receptacle and instructions for processing the materials in the receptacle.
  • the nonvolatile memory includes data indicating both the history of the materials in the receptacle and instructions for processing the materials in the receptacle.
  • a receptacle containing a material to be processed is moved to at least one reaction station where at least one of the steps of adding a reagent to the receptacle, heating the receptacle, delaying further action for a reaction time and agitating the material in the receptacle is performed.
  • the materials and steps performed on the materials are recorded in a wireless communication device attached to the receptacle and processing instructions are recorded on the receptacle.
  • the material is transferred to a second receptacle and the processing steps and materials are recorded on the second receptacle in a wireless device
  • the materials are moved to an analytical instrument and a product of reaction may be separated into a third receptacle.
  • the history of the process and the materials may be recorded on the third receptacle the steps and materials may be automatically logged into an electronic notebook.
  • a chromatographic column includes an inlet end having an inlet port, an outlet end having an outlet port, tubular side walls between the inlet end and the outlet end, at least one wireless communication device on at least one or more of the inlet end, outlet end or tubular side walls.
  • the at least one wireless communication device may include a nonvolatile memory having data recorded on it and the data may include a precision of the column from run to run, data indicating a make and model of the column, a date of manufacture and a lot number of the column.
  • chromatographic column includes an inlet end having an inlet port, an outlet end having an outlet port, tubular side walls between the inlet end and the outlet end, a sensor, at least one wireless communication device on at least one of the inlet end, outlet end and tubular side walls.
  • the sensor communicates with one of a column and an environment near a column part and contents of the column and communicates with the at least one wireless communication device.
  • the sensor and at least one wireless communication device includes a plurality of sensors each of which communicates with a corresponding one of a plurality of wireless communication devices. One of the plurality of sensors senses temperature and one of the plurality of sensors senses pH.
  • a chromatographic system includes at least one chromatographic column arrangement having a first column and a second column.
  • the outlet of the first column communicates with the inlet port of the second column.
  • the at least one wireless communication device on the first column includes a nonvolatile memory and the at least one wireless communication device on the second column includes a nonvolatile memory.
  • a part of the chromatographic system includes a wireless communication device. Data is recorded on the wireless communication device indicating the number of parts of the chromatographic system that are available and data indicating the date of manufacture of the part. The date of manufacture of the part is periodically checked to reduce overall shelf time. Moreover, the inventory may be controlled by manufacturing the parts of the chromatographic system with a wireless communication device on them and recording a calibration curve in the wireless communication device so that the inventory may be broken down by quality and use of the parts. Moreover, the nonvolatile memory has data recorded on it and the data includes a precision of the column from run to run, data indicating the make and model of the column and a date of manufacture. This data may aid in controlling the selection of columns to be removed from inventory and where they should be shipped.
  • a chromatographic control system includes a plurality of component parts of the liquid chromatographic control system with at least one of the plurality of component parts having a selected characteristic recorded on a tag associated with the one component part.
  • the tag is capable of transmitting information to a microprocessor.
  • the microprocessor includes a memory containing a data base and the tag includes indicia that may be transmitted to the microprocessor.
  • the microprocessor includes a receiver means for receiving the transmitted information and entering the information into the data base indicating a number of component parts having the selected characteristic.
  • the data base may include an inventory target number recorded into it and multiple instruments.
  • an instrument management system includes a plurality of multiple fraction instruments and a general control system. At least some of the plurality of multiple fraction instruments includes a corresponding one of a plurality of first wireless communication devices.
  • the general control system includes a second wireless communication device and a memory containing a data base.
  • the data base includes data useful in managing a usage of at least some types of component parts of the plurality of the multiple fraction instruments.
  • the data base includes data indicating a number of at least some types of component parts in the plurality of multiple fraction instruments, an average rate of usage of the types of components parts and a manufacturer's inventory of the type of component parts.
  • the data base may include a model number, a price, and a source of a type of part whereby comparisons are made as to reliability of the type of part by manufacturer and make of the part.
  • the database may include a rate of usage by individual customers whereby customers' needs can be forecast and used for management purposes to determine an inventory of the component parts needed and target inventory minimum and maximum and an actual number of the component parts on hand. The system provides an alert signal when either is exceeded.
  • data may be transmitted from each of a plurality of multiple fraction instruments useful in managing usage of at least some types of component parts of the plurality of multiple fraction instruments to a wireless communication device connected to and in communication with a general control system.
  • the communication may be from a plurality of wireless communication devices connected to and in communication with a corresponding one of the plurality of multiple fraction instruments.
  • the data that is useful in managing the usage of at least some types of component parts of the plurality of multiple fraction instruments may be recorded in a data base within a memory of the general control system and the useful data may be used in managing the usage of at least some types of component parts of the plurality of multiple fraction instruments.
  • the data base may include data indicating a number of at least some types of component parts in the plurality of multiple fraction instruments and an average rate of usage of the types of component parts and a manufacturer's inventory of the type of component parts.
  • the data base may include: (1) a model number, a price and a source of a type of part whereby comparisons are made as to reliability of the type of part by manufacturer; (2) the make and model number of the part; and (3) the rate of usage of components by individual customers whereby customer's needs can be forecast and used for management purposes.
  • the rate of usage of components may be used to determine an inventory of the component parts needed.
  • the data base may include target inventory minimum and maximum and an actual number of the component parts on hand. For example, the system provides an alert signal when either is exceeded.
  • the data base may include new purchases by customers and increases and charges in materials, parts and processes to predict increases and decreases in purchases of the materials and parts using the information in the database.
  • a fraction collection system includes at least one container holder, a main frame and a microprocessor mounted to the main frame.
  • the main frame includes a liquid receiving means adapted to be connected to communicate with a fluid outlet from a detector and is shaped and sized to receive at least one container holder in a container holder bed.
  • the microprocessor communicates with a first wireless communication device and at least one container holder communicates with a second wireless communication device.
  • the container holder bed includes a third wireless communication device and the second and third wireless communication devices transmit a signal to the third wireless communication device when the at least one container holder is positioned with respect to the at least one distributor means to receive liquid.
  • the second wireless communication device includes a nonvolatile memory and the nonvolatile memory includes data identifying characteristics of the at least one container holder.
  • the third wireless communication device includes a nonvolatile memory containing data identifying characteristics of the at least one container holder, wherein a signal may be sent to the first wireless communication device when data stored in the nonvolatile memories of the second and third wireless communication device matches.
  • the second wireless communication device identifies an end use to be made of the at least one container holder.
  • a valve that is automatically switchable to direct liquid to either the at least one distributor means or to waste communicates with a fourth wireless communication device wherein the first wireless communication device transmits a signal to the fourth wireless communication device to switch the liquid from flowing to the at least one distributor means or flowing into waste when a peak is over.
  • the fraction collection system may also include at least one container holder, a main frame and a microprocessor mounted to the main frame.
  • the main frame includes a liquid receiving means adapted to be connected to communicate with a fluid outlet from a detector and is shaped and sized to receive the at least one container holder in a container holder bed.
  • the microprocessor communicates with a first wireless communication device.
  • the container holder bed includes a third wireless communication device and the second and third wireless communication devices transmits a signal to the third wireless communication device when the at least one container holder is positioned with respect to the at least one distributor means to receive liquid.
  • an identification of at least one container holder is sent when the at least one container holder is in position to receive liquid from a distributor of a fraction collector to a controller. Liquid is inserted into containers in the at least one container holder upon receiving the identification of the at least one container holder in position to receive the liquid and insertion is inhibited when the at least one container holder is not in the proper position.
  • the second wireless communication device identifies characteristics of the at least one container holder.
  • the third wireless communication device supplies data identifying characteristics of the at least one container holder, wherein a signal may be sent to a first wireless communication device when data stored in nonvolatile memories of the second and third wireless communication device matches.
  • the third wireless communication device supplies data identifying an end use of the at least one container holder.
  • the at least one container holder may be used in another instrument as indicated by data recorded on the at least one container holder.
  • the wireless communication device associated with a rack, or micro titer plate or other holder of containers for the fraction collector may include a map of the containers such as for example X and Y coordinates. This may be used to center a distributor arm over the container or for a user or robot to locate a particular container with a selected fraction.
  • the liquid sampler includes a pump for repeatedly drawing liquid from a body of liquid, at least one container, at least one container mounting fixture adapted for receiving at least one container, at least one controller and a movable fixture for providing at least one flow path.
  • the pump has a first wireless communication device and the at least one controller has a second wireless communication device.
  • the at least one controller communicates with the pump through the first and second wireless communication devices and includes a program for initiating pumping and determining a container into which at least one sample is deposited.
  • the third wireless communication device is positioned to communicate wirelessly with at least the first wireless communication device and the second wireless communication device.
  • Container stations are connected to communicate with wireless communication devices to identify the container station wherein the at least one controller may direct fluid to that container station.
  • an instrument To collect and analyze environmental samples, an instrument includes at least one pumping system programmed to repeatedly draw liquid from a body of liquid, a plurality of containers and at least a corresponding one of a plurality of consoles for each pumping system.
  • Each of the plurality of consoles has a station for at least a corresponding one of the plurality of containers.
  • a corresponding one of a plurality of container mounting fixtures is provided to receive at last one column.
  • the corresponding controller communicates with at least one pump and includes a program for initiating pumping and determining a container into which at least one sample is deposited.
  • Each of the pumps has a corresponding one of a plurality of first wireless communication devices.
  • the at least one corresponding controller has a second wireless communication device and a third wireless communication device.
  • the third wireless communication device is positioned to communicate wirelessly with at least the first wireless communication device in at least a corresponding one of a plurality of consoles and the second wireless communication device.
  • container stations are connected to communicate with wireless communication devices to identify the container station wherein the at least one corresponding controller may direct fluid to that container station.
  • An analyzing station includes a wireless communication device wherein the analyzing station may identify a source of each of the plurality of containers.
  • liquid is pumped from a body of liquid into at least one container within a corresponding one of a plurality of container mounting fixtures adapted to receive at least one container.
  • a flow path is moved over selected containers and pumping action is initiated.
  • the flow path is moved over the selected containers under the control of a first wireless control device connected for communication with a control system and a second wireless control device communicates with the movable fixture.
  • the controller has a second wireless communication device and a third wireless communication device.
  • the third wireless communication device is positioned to communicate wirelessly with at least the first wireless communication device and the second wireless communication device.
  • the container stations are connected to communicate with wireless communication devices to identify the container station wherein the controller may direct fluid to that container station through the wireless communication devices.
  • a portable instrument has a chromatographic column with sensors spaced along its length.
  • the sensors are connected to communicate with wireless communication devices.
  • the portable instrument has an input and a readout device connected to a wireless communication device wherein readings from said sensors may be displayed.
  • the portable instrument includes wireless communication devices that may communicate remotely with other instruments.
  • the portable instrument may include a GPS to provide location and the location may be recorded on the containers having the sample in them.
  • a portable instrument containing wireless communication devices measures samples and records the measurements on the wireless communication devices. It may then transfer the measurements wirelessly from the wireless communication device to other instruments.
  • consumable products are shipped to a customer as required pursuant to a single prior contract, referred to sometimes herein as an AMAN (as much as needed) contract.
  • the prior AMAN contract is negotiated with cost or amount of consumables limits, sometimes referred to herein as an end limit to provide as much as needed in the way of consumables without exceeding reasonable limits on the cost.
  • the end limit is a maximum amount of consumables for a preset period. It is generally set slightly above the estimated product for the preset period (EPFPP). It is a safety factor in case there is a radical shift in the usage by the customer.
  • this system cooperates with a plurality of apparatuses purchased by a plurality of consumers and located at a plurality of consumer sites.
  • An original purchase order is reached and an initial portion, sometimes referred to herein as an initial single shipment portion, is sent to each of the customers.
  • the consumables are tagged and a central source for the consumables receives information about the use of the consumables as the consumables are used.
  • the information about the use of consumables may be transmitted each time a consumable is used or may be accumulated for a period of time such as a day and then sent.
  • the transmission of the information may be by any means such as wireless transmission directly to the central source, wireless transmission to a receiver connected to the internet for retransmission to the central source, hard wired from the consuming apparatus to the internet or by any other transmission means.
  • the usage of a customer for a preset period such as a year is determined.
  • the consumables that are shipped are all tagged with a wireless device such as a RFID device containing an identification code on the tagged consumable.
  • the identification is read by a readout device at the consumer's site and an indication is recorded indicating the use of that item.
  • the total single shipment portion and the total order may be recorded at either or both of the central source site and the user site.
  • the user has a chromatographic system purchased from the central source.
  • Consumables such as chromatographic columns for example may be estimated for a preset time period such as a year based on past experience.
  • An optimum amount of single shipment portions can be determined based on the rate of usage, the amount of inventory to be maintained by the user and the general convenience of the user.
  • An estimated cost can be arrived at from this and in a single payment, an arrangement may be made to ship single shipment portions as needed to the user.
  • the liquid chromatographic system is generally sold with the readout device on it so that the consumable, when inserted, is identified by the reader and stored.
  • a signal may be sent and recorded by either the user or the central source depending upon the system.
  • the information about the use of consumables may be transmitted each time a consumable is used or may be accumulated for a period of time such as a day and then sent.
  • the transmission of the information may be by any means such as wireless transmission directly to the central source, wireless transmission to a receiver connected to the internet for retransmission to the central source, hard wired from the consuming apparatus to the internet or by any other transmission means.
  • this information is sent between the central source and the user through the internet but if a connection is not readily available through the apparatus any other mode of communication can be used as described above. For example, if such an internet connection is not available, then the information may be sent through personal computers either using a wireless communication system between the apparatus and the computer or manually provided by an operator using a personal computer at the user's site and either automatically or manually at the central source.
  • This system has several advantages, such as for example: (1) there is only one purchase requiring paperwork instead of multiple purchases that must be kept track of by the customer and by the seller for a preset time period; (2) the cost of the consumable items to the customer is predictable for the preset time period; (3) the amount of stock that must be kept and must be managed by the customer is reduced; (4) the cost spent per year out of a budget or for whatever time period of the budget is predictable; and (5) the customer can budget for the time period more easily.
  • FIG. 1 is a block diagram of liquid chromatographic system in accordance with an embodiment of the invention
  • FIG. 2 is a block diagram of a preparatory liquid chromatographic system in accordance with another embodiment of the invention.
  • FIG. 3 is a schematic block diagram of a pump array in accordance with an embodiment of the invention.
  • FIG. 4 is schematic diagram of a column and detector array forming part of the embodiment of FIG. 3 ;
  • FIG. 5 is a block diagram of a chromatographic system in accordance with an embodiment of the invention.
  • FIG. 6 is a simplified perspective view of a column having a wireless communication device communicating with it;
  • FIG. 7 is a perspective view of a fraction collector in accordance with an embodiment of the invention.
  • FIG. 8 is a perspective view of the fraction collector of FIG. 7 shown from another angle;
  • FIG. 9 is a block diagram of a system for remotely controlling and monitoring a plurality of liquid chromatographic systems or other multiple fraction arrangements or processes in accordance with an embodiment of the invention.
  • FIG. 10 is a block diagram of a chemical processing system in accordance with an embodiment of the invention.
  • FIG. 11 is a chromatographic column having sensors for factors such as temperature, pressure, pH and the like in accordance with an embodiment of the invention.
  • FIG. 12 is a block diagram of a waste water sampling system in accordance with an embodiment of the invention.
  • FIG. 13 is a block diagram of an environment sampling system in accordance with an embodiment of the invention.
  • FIG. 14 is a block diagram of a system for managing the shipment of consumables from a control source to a plurality of users at individual sites;
  • FIG. 15 is a flow diagram of a method of managing orders and payments for and shipments and inventory of consumables.
  • FIG. 1 there is shown a block diagram of a liquid chromatographic system 10 having a pumping system 12 , a controller 18 , at least one chromatographic column 14 , a sample injector 20 , a detector 16 , and a collection system 22 .
  • a controller 18 controls at least one chromatographic column 14 , a sample injector 20 , a detector 16 , and a collection system 22 .
  • an array of columns, detectors, sample collectors, pumps and pump motors would be utilized as described more completely in U.S. Pat. No. 6,427,526 granted Aug. 6, 2002, to Davison, et al., but the invention is equally applicable to any chromatographic system including the single column system shown in FIG. 1 and any other multiple fraction instrument such as environmental waste water collection systems.
  • multiple fraction instruments shall mean instruments used in scientific or investigative work such as in the separation sciences or environmental studies that process multiple fractions or samples or component parts in a manner that benefits from identification or control of the individual fractions, samples or component parts or the recall of information about individual ones of the fractions or samples or component parts.
  • the pumping system 12 in the embodiment of FIG. 1 includes first and second solvent reservoirs 24 A and 24 B, at least one pump 26 driven by at least one pump motor 32 , liquid level sensors 28 A and 28 B communicating with the solvent reservoirs 24 A and 24 B respectively and purge systems 30 A and 30 B.
  • the pumping system 12 supplies solvent to the column 14 and detector 16 or in the case of a preparatory liquid chromatographic system utilizing an array of columns and detectors, to the arrays of columns and detectors.
  • the supply of solvent is under the control of the controller 18 .
  • the purge systems 30 A and 30 B communicates with the pump or pumps 26 to purge the pumps and the lines between the pumps and the column between chromatographic runs.
  • the pump or pumps 26 supply solvent to the column or columns or to the detector or detectors 16 under the control of the controller 18 .
  • the controller 18 receives signals from the detector or detectors 16 indicating bands of solute and activates a fraction collector 36 and readout display 34 in a manner known in the art.
  • One suitable fraction collection system is the FOXY® 200 fraction collector available from Teledyne Isco, Inc., 4700 Superior Street, Lincoln, Nebr. 68504.
  • the pumping system 12 includes a plurality of solvent reservoirs such as the reservoirs 24 A and 24 B.
  • the solvent reservoirs will communicate with the pumps 26 through a manifold that channels solvent to each of the pumps 26 .
  • Each of the pumps may also include a separate motor or one motor may drive pistons from the plurality of pumps such as the motor or plurality of motors 32 .
  • there will be a purge system such as the purge systems 30 A and 30 B for purging the pump or pumps 26 and the connecting conduits.
  • the solvent reservoirs 24 A and 24 B communicate with corresponding liquid level sensors 28 A and 28 B that sense the amount of solvent in the reservoirs 24 A and 24 B so that the reservoirs may continue to have solvent while the system is operating.
  • the column or columns 14 and detector or detectors 16 receive the solvent from the pumping system 12 in a manner known in the art.
  • the sample injector 20 injects sample into the column 14 so that the solvent system may separate the components of the sample and carry them through the detector 16 and to the analysis and collection system 22 .
  • the analysis and collection system 22 includes the fraction collector 36 , the detector 16 and the readout display 34 .
  • the fraction collector 36 collects solute from the column or columns 14 and permits unselected material to flow through a waste system 38 .
  • the detector 16 also receives the solute and applies signals to the controller 18 , which in turn controls the fraction collector 36 and the readout display 34 to provide signals indicating the separate species to be collected by the fraction collector 36 and to provide a read out to the user.
  • At least some of the solvent reservoirs 24 A and 24 B, purge systems 30 A and 30 B, liquid level sensors 28 A and 28 B, pumps 26 , pump motors 32 , controllers 18 , sample injectors 20 , columns 14 , detectors 16 , readout display or displays 34 and fraction collectors 36 include one or more RFID devices. While in FIG. 1 , the liquid chromatographic system has these components hardwired together, each of these components may communicate through a separate one of RFID devices 40 A- 40 Q.
  • a controller 18 supplies packets of data to the RFID 40 L and the RFID 40 L transmits the data to other units or receives data and transmits it to the controller 18 .
  • the solvent reservoir 24 A is connected to the RFID 40 A and the solvent reservoir 24 B is connected to the RFID 40 B.
  • the RFID 40 A identifies the solvent within the solvent reservoir 24 A and the RFID 40 B identifies the solvent within the solvent reservoir 24 B.
  • the controller 18 supplies gradient information to the RFID 40 L which transmits to the RFID 40 D to operate the motor or motors 32 . They in turn operate the pumps 26 to pump solvent from the solvent reservoirs 24 A and 24 B.
  • the pumps RFID 40 C may provide feedback information by delivering packets of information concerning the pumping from their respective reservoirs to the RFID's 40 A and 40 B, which in turn transmits the information to the controller 18 to which it is connected. In this way, the controller 18 through packets of data may control the gradient as it is pumped through the column 14 .
  • the controller 18 may transmit data to the RFID 40 L which in turn may transmit data to the RFID 40 J to initiate the injection of a sample from the sample injector 20 into the column 14 .
  • the column 14 may contain in the RFID device 401 that cooperates with it a chromatogram to supply information to the controller 18 by transmitting packets of information from the RFID 401 connected to the column 14 to the RFID 40 L connected to the controller 18 .
  • This information may enable the controller 18 to transmit information from its RFID 40 L to the RFID 40 D for the pump motors 32 and the pump or pumps 26 through their respective RFID to pump the desired solvent concentration for the preparatory purification.
  • the liquid level sensors 28 A and 28 B supply this information to their respective RFID devices 40 E and 40 F which may transmit information to the appropriate one of solvent supplies 42 A and 42 B to replenish the supply of the solvent in the solvent reservoirs 24 A and 24 B.
  • the controller 18 receives information from the detector 16 .
  • This information may be transmitted by the RFID 40 N connected to the detector 16 to the RFID 40 L connected to the controller 18 .
  • the controller 18 may in turn transmit this information to the read out display 34 by supplying the information to its RFID 40 L which may transmit it wirelessly to the RFID 40 M which in turn may supply it to the read out 34 .
  • the detector 16 may transmit information from its RFID 40 N to the RFID 40 K connected to the fraction collector 36 to activate the fraction collector 36 to collect peaks detected by the detector 16 .
  • the RFID 40 N connected to the detector 16 may supply this information to the controller 18 through its RFID 40 L.
  • the controller 18 may in turn supply information through its RFID 40 L to the RFID 40 K on the fraction collector 36 to control the positioning of collecting containers with respect to the inlet to the fraction collector 36 so as to supply bands to predetermined containers and follow a pattern that may be stored in the controller 18 if desired.
  • a RFID reader 56 B may read RFIDs on racks or other collector container holders and provide signals to the controller indicating proper registration of the proper rack or information about which location in a rack is to receive a fraction.
  • the RFID 401 connected to the column 14 may indicate the past history of the column. Prior to a chromatographic run, this information may be obtained by the controller 18 by transmitting a request for it from its RFID 40 L. The program and the controller 18 may compare this information with the identification of the solvents obtained from the RFID 40 A associated with the solvent reservoir 24 A and the RFID 40 B associated with the solvent reservoir 24 B. If use of the column indicates the new solvent conditions are not appropriate for use in the column, the controller 18 may terminate the chromatographic run and display a notice on the readout display 34 by transmitting signals from the RFID 40 L associated with the controller 18 to the RFID 40 D associated with the motor 32 and the RFID 40 M associated with the readout display 34 .
  • the fraction collector 36 may also communicate through its RFID 40 K with the controller 18 . This communication together with the communication from the column 14 and the detector 16 with the controller 18 may insure that racks or individual containers are properly positioned prior to depositing effluent from the column into the containers under the control of the detector 16 .
  • the individual components of the liquid chromatographic system 10 such as the detector 16 , pumps 26 , solvent reservoirs 24 A and 24 B and the like communicate directly with the controller 18 which may in return send signals to other units such as the readout display 34
  • the center of communication is the wireless communication device 40 L that communicates with the controller 18 , which has substantial memory in it. Therefore, it is possible, for example, for the detector 16 to communicate directly with the readout display 34 to display peaks rather than transmitting the peaks to the controller 18 through the wireless communication device 40 L and having the wireless communication device 40 L transmit the peaks to the readout display 34 and fraction collector 36 through their respective wireless communication devices 40 M and 40 K.
  • FIG. 2 there is shown a block diagram of a preparatory liquid chromatographic system 10 A having a pumping system 12 , a column and detector array 14 A, a collector system 16 , a controller 18 , a purge system 30 A and a personal computer 130 .
  • the personal computer 130 communicates with a wireless communication device 40 Z.
  • the pumping system 12 applies solvent to the column and detector array 14 under the control of the controller 18 .
  • the controller 18 supplies signals to a motor 32 A which drives a pump array 26 A by wirelessly transmitting signals from the RFID 40 U electrically connected for communication with the controller 18 to the RFID 40 T electrically connected for communication with the motor 32 A.
  • the movement of the pump array 26 A provides a signal to the RFID 40 S connected to it which transmits the signals in return to the RFID 40 U so that a jam or interruption is sensed and the controller 18 receives a feedback signal indicating proper movement of the pump array 26 A to pump liquid from solvent reservoir and manifolds 42 C and 42 D to the column and detector array 14 from which a fluid flows into the collector system 16 under the control of the controller 18 .
  • Signals from the detectors in the column and detector array 14 are transmitted by the RFID 40 V to the RFID 40 U that communicates with the controller 18 .
  • the controller 18 in turn sends signals reflecting the detection of bands to a readout display 34 A by transmitting them wirelessly to the wireless communication device 40 W that communicates with the readout display 34 A.
  • Signals transmitted by the wireless communication device 40 U from the controller 18 are also received by the wireless communication device 40 Y that communicates with a fraction collector 36 A to collect samples in a manner known in the art.
  • a suitable fraction collector system is the FOXY® 200 fraction collector available from Teledyne Isco, Inc., 4700 Superior Street, Lincoln, Nebr. 68504.
  • the chromatographic system shown in FIG. 2 and described herein is also described without the wireless system in U.S. Pat. No. 6,427,526 the disclosure of which is incorporated herein by reference.
  • the pumping system 12 includes a plurality of solvent reservoirs and manifolds, a first and second of which are indicated at 42 C and 42 D respectively, a pump array 26 A and a motor 32 A which is driven under the control of the controller 18 to operate the array of pumps 26 A in a manner to be described hereinafter.
  • the controller 18 also controls valves in the pump array 26 A through the wireless communication device 40 S to control the flow of solvent and the formation of gradients as the motor 32 A actuates the pistons of the reciprocating pumps in the pump array 26 A simultaneously to pump solvent from a plurality of pumps in the pump array 26 A and to draw solvent from the solvent reservoirs and manifolds such as 42 C and 42 D.
  • a pump piston may become jammed. If a pump in the pump array 26 A should become jammed, there is an automatic release mechanism for releasing the pressure from at least that one pump to avoid damage.
  • the release mechanism is a fluid pressure release mechanism for that pump set at a value above the rated pressure such as at 170 psi so that the motor 32 A may continuously move the pistons up and down without damage.
  • valves in the pump array 26 A control the amount of liquid, if any, and the proportions of liquids from different reservoirs in the case of gradient operation that are drawn into the pump and pumped from it.
  • the manifolds communicate with the reservoirs so that a plurality of each of the solvents such as the first and second solvents in the solvent reservoir manifolds 42 C and 42 D respectively can be drawn into the pump array 26 A to permit a simultaneous operation of a number of pumps.
  • any type of pump is suitable whether reciprocating or not and whether piston or not.
  • a large number of different pumps and pumping principles are known in the art and to persons of ordinary skill in the art and any such known pump or pumping principle may be adaptable to the invention disclosed herein with routine engineering, and in most cases, one motor drives a plurality of pumps. While two solvents are disclosed in the embodiment of FIG. 2 , only one solvent may be used or more than two solvents may be used. Because of the operation of a plurality of pumps simultaneously driven by a single motor, efficiency and cost reduction are obtained by this pumping mechanism.
  • the collector system 16 includes a fraction collector 36 A to collect solute, a manifold 42 and a waste depository 44 to handle waste from the manifold 42 .
  • One or more fraction collectors 36 A communicate with the column and detector array 14 to receive the solute from the columns either with a manifold or not.
  • a manifold may be used to combine solute from more than one column and deposit them together in a single receptacle or each column may deposit solute in its own receptacle or some of the columns each may deposit solute in its own corresponding receptacle and others may combine solute in the same receptacles.
  • the manifold 42 communicates with the column and detector array 14 to channel effluent from each column and deposit it into the waste depository 44 .
  • the fraction collector 36 A may be any suitable fraction collector such as that disclosed in U.S. Pat. No. 3,418,084 or the above-identified FOXY® fraction collector.
  • the wireless communication device 40 U in the preferred embodiment transmits information to the wireless communication device 40 Z which records the information in an electronic notebook stored in the memory of the personal computer 130 in a manner known in the art.
  • electronic notebook systems There are many electronic notebook systems and they have formatting as part of the program. For example, Waters Laboratory Informatics notebook will log all operations performed and prepare customized reports.
  • FIG. 3 there is shown a schematic block diagram of a pump array 26 A having a plurality of piston pump systems 60 A- 60 J (piston pump systems 60 A- 60 E being shown for illustration in FIG. 3 ) although in the preferred embodiment there are ten such pumps each arranged to communicate with corresponding ones of ten outlets from the manifolds of the solvent reservoir and manifolds 42 C and 42 D ( FIG. 2 ) to pump solvent from the reservoirs and manifolds 42 C and 42 D into corresponding ones of the columns (not shown in FIG. 3 ).
  • piston pump systems 60 A- 60 J piston pump systems 60 A- 60 E being shown for illustration in FIG. 3
  • FIG. 2 a schematic block diagram of a pump array 26 A having a plurality of piston pump systems 60 A- 60 J (piston pump systems 60 A- 60 E being shown for illustration in FIG. 3 ) although in the preferred embodiment there are ten such pumps each arranged to communicate with corresponding ones of ten outlets from the manifolds of the solvent reservoir and manifolds 42
  • Each of the pump systems communicates with a corresponding one of manifold outlets 58 A- 58 J ( 58 A- 58 E being shown in FIG. 3 ) and 59 A- 59 J ( 59 A- 59 E being shown in FIG. 3 ) to receive two different solvents for the purpose of forming a gradient. They may also communicate with a source of purge fluid as indicated by purge conduits 66 A- 66 J ( 66 A- 66 E being shown in FIG. 3 ). With this arrangement, each of the pumps draws solvent into it from the solvent reservoirs in the solvent reservoirs and manifolds 42 C and 42 D ( FIG. 2 ). The solvent flows from the pumps through a corresponding one of outlets 68 A- 68 J ( 68 A- 68 E being shown in FIG. 3 ).
  • the pump system 66 E includes an inlet conduit 58 E from the first solvent reservoir and manifold 40 ( FIG. 2 ), the inlet conduit 59 E from the second solvent reservoir and manifold 52 , a three-way solenoid valve 70 E, a two-way solenoid valve 72 E, and long flow conduit 73 E, a reciprocating piston pump 74 E and a check valve 78 E.
  • the two different solvents from the conduits 58 E and 59 E are applied to the pump 74 E through a common point connecting the three-way solvent valve 70 E and the two-way solvent valve 72 E.
  • two cycles of solvent are applied for each stroke of the piston pump 74 E.
  • the size of the cylinder, the size of the flow conduit 73 E, the speed of the refill and delivery strokes of the piston are selected to ensure mixing within the pump 74 E and flow conduit 73 E so as to pump a formed gradient through a conduit 86 E, through the check valve 78 E and an outlet conduit 68 E to the column and collector array 14 ( FIG. 2 ).
  • the pump cylinders are in the range of one inch to eight inches long. In the preferred embodiment, the cylinders are 3.5 inches long.
  • the two-way electronically controlled solvent valve 72 E opens once during each piston refill stroke of the pump 74 E under the control of a signal received from wireless communication device 40 S 2 which receives a signal wirelessly from the wireless communication device 40 U ( FIG. 2 ) that communicates with the controller 18 ( FIG. 2 ). Enclosures join the delivery portion of the pump cycle.
  • the two-way valve 72 E is a solenoid valve.
  • the three-way electronically-control proportioning valve 70 E switches between the two solvent reservoirs several times during each refill stroke in response to a signal from the wireless communication device 40 S 1 in communication with it.
  • the wireless communication device 40 S 1 receives a signal for this purpose from the controller 18 by wireless transmission from the wireless communication device 40 U ( FIG. 2 ) to open to the first solvent reservoir and manifold 42 C and then to the second solvent reservoir and manifold 43 D ( FIG. 2 ) to provide both solvents in two stages for better mixing.
  • the proportion of the time the three-way valve 70 E is open to the first solvent reservoir and manifold 42 C and then to the second solvent reservoir and manifold 42 D determines the composition of the mixture in the gradient.
  • Both of the solenoid operated valves 70 E and 72 E are under the control of the controller 18 to which they electronically communicate through wireless communication devices.
  • FIG. 4 there is shown a schematic diagram of a column and detector array 14 having a plurality of columns and detectors, five of which are indicated as 100 A- 100 E, a corresponding plurality of outlet conductors 68 A- 68 E, a corresponding plurality of solute outlets 110 A- 110 E, a corresponding plurality of waste outlets 108 A- 108 E from the manifold 42 ( FIG. 2 ) and a fraction collector 36 A.
  • the columns and detectors 100 A- 100 D are shown as a general block whereas the column and detector 100 E is shown in greater detail with the understanding that the columns and detectors 100 A- 100 D are substantially the same.
  • five columns and detectors are shown to correspond with the example being used in this application, more or less could readily be used and ten are used in the preferred embodiment.
  • the column and detector 100 E includes an injector system 102 E, a column stack 14 A and 14 B in the column and detector array 14 , a detector 16 E in the column and detector array 14 , a waste outlet 108 E and the solute outlet 110 E.
  • solvent whether a gradient or not, flows in the conduit 68 E through the injector 101 E, through the column stack 14 A and 14 B within the column and detector array 14 , a flow cell 122 E, where solute may be detected and from there into the collection system 16 ( FIG. 2 ) for the collection of solute and the disposal of waste.
  • the column stack ( 14 A and 14 B in FIG. 4 ) may instead be any type of chromatographic column regardless of the mode of operation and it is generally packed in accordance with the separation problem.
  • the column is REDISEP DISPOSABLE COLUMNS sold by Teledyne Isco, Inc., 4700 Superior Street, Lincoln, Nebr. 68504. It is mounted to either receive a sample injection manually from a syringe or automatically from the injector 101 E as well as receiving solvent on the outlet 68 E. Its outlet flows through the detector system in the column and detector array 14 .
  • the stack of columns 14 A and 14 B are shown for illustration.
  • the outlet of the column 14 A communicates with the inlet of the column 14 B in a manner known in the art so that the inlet port of the column 14 A receives solvent and sample from a valve 103 E and the outlet port of the column 14 B is delivered to the flow cell 122 E.
  • the wireless communication device 40 U is connected to communicate with the column 14 A and the wireless communication device 40 U 3 is connected to communicate with the column 14 B.
  • These wireless communication devices each contain information about their characteristics so that a reader and microprocessor may compare the information and determine if the connection is correct or not and convey this information appropriately to the user such as through a display or alarm or inhibiting the operation of the pumps through the controller.
  • the wireless communication devices associated with the columns may be recorded: (1) the past history complete enough to avoid incompatible solvent systems by having the microprocessor with which it communicates indicate the incompatible use; (2) a sample chromatographic curve for use by the chromatographer; (3) a calibration curve; (4) the precision or an indication of the precision of the column construction which may be used to grade the column so that better grade columns may be sold to higher price markets; (5) flow rates; (6) pressures; (7) solvent mixtures; (8) pH; (9) conductivity; (10) dissolved oxygen and the like.
  • the efficiency of the column with certain chemistries or processes can be determined and recorded.
  • the wireless communication device 40 J receives a signal from the wireless communication device 40 U ( FIG. 2 ) that communicates with the controller 18 and in turn switches the valve 103 E so that solvent flows into the injector 101 E and from the injector through the column ( 14 A, 14 B) and into the flow cell 122 E for detection of bands.
  • the detection system includes a light source 142 E, the flow cell 122 E, a detector 16 E and a valve 126 E for channeling fluid either to the waste outlet 108 E through the conduit 44 or to the collector outlet 110 E.
  • the light source 142 E hereinafter referred to as the optical bench, applies light from a source common to each of the column and detector assemblies 100 A- 100 E and applies it through each of the corresponding ones of the flow cells including the flow cell 122 E and from there to the corresponding detectors including the detector 16 E.
  • the signal received indicates the effluent to be channeled to the collector 36 A and that to be channeled to the waste for the particular column and detector system.
  • the injector 102 E includes a solid sample load cartridge in the preferred embodiment and a four-way manual selective valve 103 E for controlling the selection of sample and injection into the columns 14 A and 14 B.
  • an individual injector system injector system 102 E being shown in FIG. 4
  • the outlet from one injector could go to a manifold to supply the same sample to a plurality of columns and/or the outlet from one injection cartridge could go to a plurality of injection valves if desired.
  • a single function collector 36 is shown but a plurality of such collectors could be used with the individual valves connected to more than one collector.
  • the injector system 102 E includes the four-way valve 103 E for alternately injecting sample from the sample injector 101 E, which in the preferred embodiment is a cartridge, and selecting the solvent gradient from the outlet 68 E from the pumping system. Thus a sample may be injected and then by turning the manual valve 103 E, the chromatographic run may be initiated. While a manual four-way valve 103 E is shown, automatic injector valves are also available and may be utilized.
  • FIG. 5 there is shown a block diagram of the chromatographic system 10 A having fraction collector diverter valves 214 , a flow cell and detector array 124 , the controller 18 , a pressure transducer 218 and a valve array 212 for pumping solvents.
  • This block diagram illustrates the connections through wireless communication devices between for example the controller 18 , a pump drive motor 32 A, the fraction collector diverter valves 214 , the column and detector array 14 and the valve array 212 .
  • the controller 18 includes inter alia functional components such as the pump controller 200 and the valve and detector controller 201 .
  • the valve array 212 includes the pump mixing valves 70 , the inlet valves 72 and the purge valves 94 .
  • the pump controller 200 is connected to the series pump drive 32 A and a pressure transducer 218 in a feed-back arrangement such as that described in U.S. Pat. No. 5,360,320, the disclosure of which is incorporated herein by reference.
  • the feed-back circuit disclosed in connection with FIGS. 8 and 9 in columns 11, 12, 13 and 14 of U.S. Pat. No. 5,360,320 for controlling the pump disclosed in FIG. 4 of that patent is utilized here.
  • the pump controller 200 also interacts with the valve and detector controller 201 to control the flow and detector array 124 and the fraction collector diverter valves 214 for the fraction collector 36 A ( FIG. 4 ).
  • the valve and detector controller 201 supplies signals to control mixing valves 70 A- 70 J (shown collectively at 70 ), the inlet valves 72 A- 72 J (shown collectively at 72 ) and the purge valves 94 of the valve array 212 .
  • the detection of bands to be collected controls the fraction collector valves to channel the collection into the appropriate containers.
  • FIG. 6 there is shown a simplified perspective view of a column 14 having a first wireless communication device 40 U 1 and a second wireless communication device 40 U 2 positioned 180 degrees from each other.
  • FIG. 1 they are shown mid-section of the column but may be positioned anywhere in the column where they will be in reasonably close communication with a wireless receiver. By positioning them 180 degrees apart, the column becomes insensitive to the rotational orientation since one or the other of the wireless communication devices will have an unobstructed communication path to a receiver mounted on the casing of the chromatographic system.
  • wireless devices such as 40 A- 40 Z or 188 A- 188 G may be RFID devices
  • many other types of wireless devices are suitable such as for example optical readout devices or blue tooth or zigbee or Wi-Fi may be used instead.
  • a bar code may be recorded on a column and read by a reader on a chromatographic device.
  • FIG. 7 there is shown a perspective view of a fraction collector 36 including a main frame 46 and a plurality of racks such as a first test tube rack 50 and a second test tube rack 52 exploded away and turned to show its bottom side.
  • the main frame includes a touch screen or LCD display 48 , a distributor arm 60 , an RFID reader 56 B, a wireless communication device 40 K.
  • Each of the test tube racks has a wireless communication device 40 K, which in the preferred embodiment is an RFID device mounted to its bottom side where it may come in proximity to a reader such as the RFID reader 56 B.
  • the readers and wireless communication devices determine if a rack is in position and may identify the rack such as by the number of openings and cross section so as to provide proper identification for the distributor arm 60 to move into position and distribute fluid into the appropriate tubes such as the test tube 54 .
  • a fraction collector 36 with two different racks 50 and 52 is shown, one of which is exploded away but each of which may be moved automatically into position where the registration and type may be checked. The information may then be transmitted to the microprocessor associated with the fraction collector 36 to distribute liquids appropriately.
  • FIG. 8 there is shown a perspective view of the fraction collector 36 viewed from the bottom and back side showing the distributor arm 60 , the main frame 46 , RFID readers 56 B and 56 C connected to the RFID table 114 , a conductor ribbon 112 for the LCD display 48 ( FIG. 7 ), and the main circuit board assembly 92 .
  • the second and third test tube racks 50 and 64 are shown positioned within the fraction collector 36 .
  • the fraction collector 36 is a 96 opening rack or any other appropriate size rack having the tube 84 within it and the test tube rack 50 is a 48 opening rack showing as an example a test tube 64 within it.
  • the RFID devices such as 40 K ( FIG. 7 ) contain an identification of the test tube rack by the arrangement of tubes in the sizes within it so that when they register with the appropriate RFID reader 56 A ( FIG. 7 ), 56 B and 56 C the reader can indicate to the main circuit board 92 that the test tube rack is in place so as to control the distributor arm 60 to distribute effluent in the proper tubes or to waste.
  • the RFID reader 56 A, 56 B or 56 C may also contain information about the size of the test tubes 50 and 84 in the test tube racks so that the controller 18 ( FIG. 1 ) may receive this information from the RFID reader 56 A and initiate a program that will move the distributor arm 60 to collect the sample if necessary in successive tubes and avoid overflow.
  • the RFID devices such as the RFID wireless communication device 40 K in the second test tube rack 52 ( FIG. 7 ) can identify the samples collected in the test tubes, provide the test tube configuration and identify the fractions or the like as well as including user identification so that the test tube rack may continue to supply user information to other processing units as needed and control the distribution of the samples. Moreover, this information may be utilized by transfer devices to transfer the samples for use with other analytical equipment such as spectrometers or the like and may be used with corresponding devices in the spectrometer for further processing and transfer of information such as to electronic notebooks.
  • the wireless communications system in the preferred embodiment uses RFID TAGS such as THE Q5 programmable RFID tags sold by Sokymat and operating at 125 KHz.
  • the RFID reader modules are ID-Innovations ID-12. They are encoded to identify the two configurations, number of tubes and volume of the tubes.
  • FIG. 9 there is shown a block diagram of a system 98 for remotely controlling and monitoring a plurality of liquid chromatographic systems or other multiple fraction instruments or processes having a central controller 128 which may be a personal computer or other computer, a multiple site service facility 116 which may be the facility of a manufacturer that manufacturers the instrument and supplies parts and supplies for the instrument, an internet service provider 118 , a plurality of the instruments such as the liquid chromatographs 10 - 10 B, one or more storage or maintenance facility such as those shown at 13 - 13 B and other instruments like the mass spectrometers or other separation instruments such as those shown at 15 - 15 B for example.
  • a central controller 128 which may be a personal computer or other computer
  • a multiple site service facility 116 which may be the facility of a manufacturer that manufacturers the instrument and supplies parts and supplies for the instrument
  • an internet service provider 118 a plurality of the instruments such as the liquid chromatographs 10 - 10 B, one or more storage or maintenance facility such as those shown at 13 - 13
  • the component parts of the instruments 10 - 10 B and 15 - 15 B communicate with each other and may communicate with storage or maintenance facilities. For example, columns may be stored for use between runs using the column and these columns may be stored with information on them about the history of the column, including information about projects to which the column is dedicated or information about customers for whom the projects are being run or any other such relevant information. The same may be true of collection vessels or racks or the like. This information may also be transmitted to the central controller 128 and from there to an internet service provider 118 for transmission and gathering of data at a multiple site service facility 116 .
  • the multiple site service facility 116 may maintain statistics on individual customers using a particular system so as to anticipate supplies the customer may need. Moreover, repair information may be transmitted such as for example if a chromatographic system 10 - 10 B fails in some respect the wireless communication device on the instrument may detect the failure and the information transmitted by way of the central controller 128 to the multiple site service facility 116 .
  • the multiple site service facility may have statistics indicating a particular customer is using a particular type of column at a fixed rate and has an inventory of a predetermined number of columns. With this information, the multiple site service facility 116 can predict when the customer will need more columns and contact the customer to arrange for sale of the columns. Similarly, the multiple site service facility 116 may determine statistically when certain components are likely to exceed their life.
  • a certain type of fraction collector may be useful for a predetermined number of hours of operation from its statistical data base and when a particular fraction collector approaches that number, may notify the customer so as to be prepared for service or repurchase.
  • the efficiency of the columns for certain chemistries and processes may be determined from statistics gathered from multiple stations. Customer specific information may be obtained and supplied to a customer or used in performing services for a customer such as default conditions, good manufacturing practices, billing information, IQ (installation qualifications), OQ (operation qualifications) and PQ (performance qualifications) including both test steps and results.
  • FIG. 10 there is shown a block diagram of a chemical processing system 132 having first and second chemical processing stations 134 and 136 and an analytical or separation station 138 .
  • the chemical processing stations 132 and 136 perform chemical operations including combinatorial chemical processes in which a range of known reagents or known quantities of reagents are sequentially applied to some material under temperature and time conditions to cause a reaction, or the time and temperatures are sequentially changed to arrive at the parameters for a preferred reaction.
  • These stations include a mechanism for transferring the product of the reaction to another container or instrument for transferring to an analytical station for further analysis or purification or separation of the reaction product.
  • reaction consoles such as 140 and 144 and similarly within the reaction station 136 , there are a similar plurality of reaction consoles 146 and 148 .
  • Each of the reaction stations 134 and 136 also includes transfer consoles such as the transfer console 150 in reaction station 134 and the transfer console 154 in reaction station 136 .
  • the reaction stations apply reagents to chemical materials and maintain them for the proper time and at the proper temperature and pH for a desired reaction. They do this automatically and continuously and each include an appropriate wireless communication system such as 160 A for the reaction consoles 140 and 144 , wireless communication system 160 Q for the reaction console 146 and wireless communication system 160 R for the reaction console 148 .
  • These wireless communication systems transfer an identification of the substance being reacted upon and other information such as the reactants, time, temperature, the user or customer for whom the reaction is being performed and further reactions that are necessary in accordance with FDA standards to provide tamper-proof communication and reaction measures.
  • Each of the chemical processing stations 134 and 136 also includes the transfer consoles 150 and 154 respectively and each of the transfer consoles 150 and 154 communicates with a corresponding one of the wireless communication systems 160 C and 160 S.
  • These devices apply information relating to the reagent, the steps in using the reagent to prepare the reaction product and the reaction product and future operations such as the analysis or separation or purification required. This information is applied to transfer containers such as 156 F and the information is applied to the transfer container 156 F by a corresponding wireless communication system 160 D.
  • These containers may be utilized by the analytical and or separation station 138 by being applied to an analytical or separation instrument 162 therein either manually or through robotics for analysis or for separation.
  • This instrument 162 for example may be a liquid chromatograph capable of detecting and recognizing by the time of the peaks particular materials or capable of purification of separation of particular molecular species.
  • the separation and analysis reaction may be transferred by a wireless communication system 160 K communicating with the analytical or separation instrument 162 .
  • the purified substance and information concerning it may be transferred by the wireless communication system 160 K to containers for the purified or separated material such as 160 P and 1600 in communication with their respective containers 158 A and 158 B.
  • the containers 158 A, 158 B and 158 C may be transferred by a transfer console 152 to a transfer container 158 D at the transfer console 152 and the wireless communication system 160 L may transfer information to the wireless communication system 160 M in communication with the container such as 158 D shown in FIG. 10 .
  • the wireless communication system 160 L may transfer information to the wireless communication system 160 M in communication with the container such as 158 D shown in FIG. 10 .
  • FIG. 11 there is shown a column 14 B having a plurality of wireless communication devices 40 U 4 - 40 U 8 , which in the preferred embodiment are RFID devices, spaced along its length and electrically connected for communication with sensors 164 A- 164 E inside the column 14 B.
  • the sensors 164 A- 164 E may sense characteristics within the column or may be spaced in the column to sense a characteristic of a wall of the column or the outside temperature as desired.
  • the sensors such as 164 A- 164 E may be molded within the wall so that the sensors may be in contact with the contents of the column 14 B but the column 14 B remains sealed while the wireless communication devices 40 U 4 - 40 U 8 may transmit wirelessly outside the column 14 B.
  • a transponder and wireless communication device may be located within the column.
  • a temperature transponder and wireless communication device may be encased in a protective casing and located within the packing of the column to sense temperature and transmit the temperatures outside of the column to provide feedback for controlling the temperature in the column.
  • An external heater or cooling apparatus may be controlled by a temperature recorded in a wireless communication device and the transmitted temperature to heat or cool the column or the solvent being applied to the column to maintain the temperature within a desired range.
  • One such communication device and suitable temperature sensor is manufactured by KSW Microtek within the KSW-VarioSens product line. These transponders are available from KSW Microtek; Manfred-Von-Ardenne-Ring 12 D-01099 Dresden, Germany.
  • FIG. 12 there is shown a block diagram of a waste water sampler system 166 having a control system 168 , one or more fill station drive motors 170 , a pump station 174 , a pump drive section 176 , a driver 172 for the pump drive station 176 and a distributor 178 .
  • the pump station 174 is adapted to communicate with a water source 180 to sample water therefrom.
  • the control system 168 includes the CPU 182 connected for communication with a wireless communication device 188 A, the display 184 connected for communication with the wireless communication device 188 B and the keyboard 186 electrically connected to a wireless communication device 188 C for communication therewith.
  • the control system 168 can be programmed to cause the pump station 174 to pump samples of water from the water source 180 by transmitting signals from the wireless communication device 188 A to wireless communication device 188 G that is connected for communication to the pump drive station 176 .
  • the pump station 174 pumps the samples into containers within the distributor 178 .
  • the control system signals from the wireless communication device 188 A to the wireless communication device 188 E that is connected to communicate with the distributor 178 and by transmitting signals to the wireless control device 188 D that is connected for communication to the fill station drive motor 170 .
  • the bottles are usually standard sized and shaped sample bottles within the distributor 178 but include within them wireless communication devices.
  • These wireless communication devices include a nonvolatile memory that receives signals from the CPU 182 and records the time and amount of water deposited into the containers for future reference.
  • the nonvolatile memory also records the temperature of the water and a log of sample temperature from the time of sampling until analysis.
  • the temperature measurement can also be used to provide feedback for non-contact closed loop control of sample temperature by controlling a heating or cooling device. If the container is in a container or rack, the weight of the container will be an indication of the amount of sample and may be weighed by a simple scale at the bottom of the container.
  • the scale may be connected to a wireless communication device and provide a convenient readout of the amount of sample on a monitor to control in a feedback manner the drawing of the sample.
  • the control system 168 controls the operation to automatically fill a series of containers so that the distributor 178 includes sample containers that may be identified as to the location where the water was drawn, the time the water was drawn, the customer for which the water was drawn, the source of the water, and the test steps to be performed on the water.
  • the control system 168 includes a central processor unit 182 with a typical display and/or printing unit shown at 184 and typical input units such as a keypad or electrical communication jack shown at 186 .
  • the control system 168 is programmed and contains the necessary interfaces to coordinate the operation of the pump station 174 , the distributor 178 and the fill station drive motor 170 in such a way as to provide flexibility in drawing samples. It coordinates the operation of the individual components to properly fill containers while maintaining the integrity of volatile substances within the liquids for later testing.
  • FIG. 13 there is shown a block diagram 210 of a sampling arrangement including a central station 190 and a plurality of remote sites with samplers illustrated at 192 .
  • the central station 190 includes an ice source 196 , the bottle carrier source 198 , a container source 200 , composite containers 204 and a plurality of shipping cartons from a shipping carton source 202 .
  • the samplers, periodic replacement ice, container carriers, containers and shipping cartons for the samples are moved from the central station 190 to each of the remote sites with samplers 192 for use and samples are removed from the remote sites and they are taken to the laboratory which may be at the central station such as shown at 206 .
  • an RFID wireless communication device 208 D is programmed with a test and the results and that program are transferred to the individual containers.
  • the individual containers have on them, in addition to the source of the testing laboratory 206 which is introduced by the RFID wireless communication device 208 E which is connected for communication with the console at the testing laboratory 206 .
  • the shipping carton source 202 is connected for communication with the wireless communication device 208 C to maintain an inventory as cartons are removed and new empty cartons supplied.
  • the container source 200 is connected for communication to the RFID wireless communication device 208 B which maintains an inventory of available containers by receiving information programmed on it as new containers are brought in and as old containers leave.
  • the bottle carrier source 198 similarly keeps an inventory.
  • a sampler is brought to the site and samples are drawn.
  • a shipping carton container, carrier containers and ice are brought to the site.
  • the container carrier is removed from the shipping carton, the ice is removed and the containers of sample are removed from the sampler.
  • the container carrier, ice and containers are taken from the shipping carton and put into the sampler.
  • the old container carrier, carriers and ice are put into the shipping carton and taken to the laboratory for analysis.
  • Each of the multiple fraction systems used above employ wireless communication devices such as radio frequency identification devices (RFID) to communicate between components, stations and consoles so as to provide instructions for operations, transfer information so as to maintain a record of operations that have been performed and are to be performed and record data.
  • RFID radio frequency identification devices
  • FIG. 14 there is shown a block diagram of a system 220 for managing the shipment of consumables from a central source site 222 to a plurality of users at individual customer or user sites 226 A- 226 D through a communication network 224 .
  • the central source site 222 includes a modem, a source of tagged consumables and information storage with data such as estimated product for a preset period (EPFPP) and certain end limit data.
  • EPFPP estimated product for a preset period
  • the user sites 226 A- 226 D are substantially identical and only the user site 226 A will be described herein.
  • a central source is the entity that enters into the AMAN supply agreement with customers and is responsible for maintaining the records relating to the purchases and for the shipment of consumables.
  • a tagged consumable is a consumable supplied with at least one wireless communication device, such as for example, an RFID attached to it.
  • a tag reader and transmitter 228 an apparatus for using the consumables 230 and a temporary storage space 232 for storing an individual shipment.
  • Each apparatus site 226 A- 226 D communicates with the central source site 222 through the communication network 224 , which may be the internet or by user operated personal computers or by a personal computer connected to the apparatus or through intermediate communication means such as blue tooth. The connection to the internet may be automatic with certain types of apparatuses.
  • an account is established for a customer and the customer's address is embedded in a multiple access card connected to the apparatus.
  • the customer identification is a unique and alterable identifier on the mother board of each control system.
  • the user may select the particular consumable the customer intends to use with the apparatus.
  • the apparatus is a chromatographic system sold by the owner of the central source and the customer will select the column sizes that it uses.
  • the accounts generally will establish an as much as needed (AMAN) of the disposable for a preset period of time contract.
  • the customer will receive an initial inventory.
  • the initial inventory will be considered an initial partial shipment portion.
  • the preset period is a period of time agreed upon by the supplier and the user of consumables during which consumables will be shipped in accordance with the purchase order.
  • a single shipment portion is the amount of consumable that is shipped at one time to a customer and which when the end point is reached results in triggering another single shipment portion if needed by the customer in accordance with the initial agreement.
  • the initial agreement is the first agreement for a supply of an AMAN consumables entered into at the beginning of the preset period. It starts the preset period.
  • the single shipment portion is set taking into consideration: (1) the rate at which consumables have been historically used and are expected to be used in the future; and (2) the temporary storage space to be devoted to the consumables.
  • the temporary storage space is storage space for the portion of the single shipment portion of consumables that will be obtained at one time. This space may be limited for economic reasons by the customer. The ability to reduce the storage space is one factor that provides benefits to the customer from entering into an AMAN contract with a central source.
  • the module on the apparatus which apparatus may be a chromatographic system, records the use of the consumable.
  • a consumable is considered used when a reset button or some other indication on the apparatus is activated indicating that the consumable has been sufficiently used so that it cannot be transferred to another apparatus and used or used twice. This indication is chosen to prevent a disposable from being counted as used twice although it was only used once, thus triggering extra free consumables for the same fixed price.
  • the indication that a tagged consumable has been used is sometimes referred to as a trigger point.
  • the information about the use of consumables may be transmitted each time a consumable is used or may be accumulated for a period of time such as a day and then sent.
  • the transmission of the information may be by any means such as wireless transmission directly to the central source, wireless transmission to a receiver connected to the internet for retransmission to the central source, hard wired from the consuming apparatus to the internet or by any other transmission means.
  • secondary back-up indication may be provided, indicating that a predetermined number of such disposables, such as a box of disposables, has been used.
  • the secondary backup point at which a quantity such as a box of disposables has been used is referred to as a secondary trigger point or secondary trigger signal.
  • a control unit may contact a web server at the central source site 222 and transmit the requirement to it or if it is unable to make contact, there may be a built in delay such as 24 hours and another attempt made. If a preset number of attempts are unsuccessful, a message may be displayed indicating the need to reorder. This message may have a code displayed that the user can enter into the web server to generate the replacement action. This code may be transcribed by the user or saved to another drive to be sent to the server manually by the user. This code is an encrypted message that encodes the instrument address, and the consumables that are needed as well as the date and time. By including the date and time, the encrypted message varies each time the replenishment is needed to prevent the same code from being entered multiple times to obtain columns.
  • the encrypted message When the encrypted message is received, it is deciphered to insure it is a valid message. If it was manually entered, the user will be prompted to reenter the proper code as a safeguard. The needs are accumulated until the next scheduled bi-weekly shipment. Once the shipment date nears, the web server needs to generate a report which is sent to order entry. A trend may be determined from the system such as the rate the customer uses disposables. The contracts may have a maximum limit (end limit) to reduce cases in which the disposables are for some unexpected reason excessively large in amount or to prevent fraudulent use of the AMAN contract.
  • FIG. 15 there is shown a flow diagram 236 of a method of managing orders and payments and shipments and inventory of consumables including: (1) the step 238 of determining the estimated product and cost of product for a preset period for a customer and obtaining an AMAN from the customer; (2) the step 240 of obtaining payment from the customer; (3) the step 242 of determining single shipment portions of tagged consumables for the customer; (4) the step 244 of repeatedly shipping single shipment portions after each trigger point is reached until the earlier of the end limit or end of the preset period is reached; and (5) the step 246 of negotiating a new purchase order.
  • the estimated product during a preset period may be obtained statistically by examining the past history of usage of a customer and taking into account any changes in the customer's workload. Similarly, the type of consumable may be determined and from the type of consumables expected to be used, the estimated number of consumables and estimated total price for a preset period can be determined.
  • the preset period will commonly be one year although it may be a quarter or any other convenient period of time including a period of time for a specific project of the customer.
  • the customers are entities that have purchased one or more preparatory liquid chromatographic systems.
  • the consumables include chromatographic columns.
  • the customers are entities that do environmental monitoring using a water sampler and the consumables include tubing used in the pumping system of a sampler and bottles for water samples or the like.
  • the purchase order will be an AMAN order for as much of the disposables as needed during the preset period.
  • An AMAN or an as much as needed agreement in this specification means an agreement or system under which the customer receives as much consumables up to the end limit as needed during a preset period.
  • the end limit means a maximum amount of consumables for the preset period which is generally set slightly above the estimated product for the preset period (EPFPP). It is a safety factor in case there is a radical shift in the usage by the customer.
  • the estimated product for the preset period in this specification is the number of items or amount of material that is the subject of an arrangement, such as a contract or purchase order with or from a customer. It can be the estimate of discrete items such as chromatographic columns or tubing that are expected to be used in the preset time.
  • the preset time is typically one year but can be any other time period such as a three month period. This number can be estimated initially from past experience with the customer or estimated by the customer or determined such as by revision of an original estimate and a record of usage taken over a period of time. The end limit may also be based on cost. In such a case, it is slightly over the estimated cost of product for the preset period (ECPFPP).
  • the estimated cost of product for the preset period is the estimated cost that would be charged for the estimated product if sold separately in substantially identical amounts adjusted to be sure that the revenue received would be appropriate for the benefit provided to the customer.
  • a single payment is obtained in accordance with the estimated cost of product for the preset period. This cuts down on reordering during the preset period and saves the cost of reselling, repurchasing and all of the paper work and record keeping that would be involved if multiple orders were placed.
  • the step 242 of determining single payment portions may also be obtained by experience with the customer. It is set so that, before all of the consumables are exhausted, an order point is reached.
  • an order point is the amount of use by the customer in a single shipment portion that triggers a new shipment of another single shipment portion.
  • the step 244 of repeatedly shipping single shipment portions after each trigger point is reached until the earlier of the end limit or the end of the preset period may be modified in appropriate circumstances. For example, it may be modified when the end limit is reached before the end of the preset period because of an unusual work load on the part of the customer. In such a case, an extension of the end limit or preset period may be negotiated and the contract modified.
  • a new AMAN contract may be negotiated and the process repeated.
  • the entire process is automated through the use of wireless communications.
  • the consumables are tagged.
  • a tagged consumable is a product with a wireless transmitter and memory attached such as for example, an RFID device as described earlier in this specification. It may be mounted as part of a column as described above. It is intended to be used with a reader at the user site such as explained above in connection with chromatographic systems.
  • temporary storage space means storage space for at least a single shipment portion of the EPFPP consumable.
  • a trigger point is reached and a signal generated identifying the consumable and the customer. This signal is recorded and transmitted to the central source so that a continuous record is maintained of consumables that have been used.
  • a pre-column is a disposable which can be detected when the pre-column is connected to an injection system. This information may be recorded and transmitted to indicate the use of the pre-column and the column.
  • This system has several advantages, such as for example: (1) there is only one purchase requiring paperwork instead of multiple purchases that must be kept track of by the customer and by the seller for a preset time period; (2) the cost of the consumable items to the customer is predictable for the preset time period; (3) the amount of stock that must be kept and must be managed by the customer is reduced; (4) the cost spent per year out of a budget or for whatever time period of the budget is predictable; and (5) the customer can budget for the time period more easily.

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EP09733702.6A EP2272002A4 (fr) 2008-04-25 2009-04-23 Appareils et procédés de surveillance et de commande sans fil de fournitures pour appareils d' échantillonnage environnemental et de chromatographie
PCT/US2009/002528 WO2009131697A1 (fr) 2008-04-25 2009-04-23 Appareils et procédés de surveillance et de commande sans fil de fournitures pour appareils d’échantillonnage environnemental et de chromatographie
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US8746559B1 (en) 2014-06-10

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