WO2003071262A1 - Puce microchimique - Google Patents
Puce microchimique Download PDFInfo
- Publication number
- WO2003071262A1 WO2003071262A1 PCT/JP2003/001692 JP0301692W WO03071262A1 WO 2003071262 A1 WO2003071262 A1 WO 2003071262A1 JP 0301692 W JP0301692 W JP 0301692W WO 03071262 A1 WO03071262 A1 WO 03071262A1
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- WIPO (PCT)
- Prior art keywords
- channel
- microchemical chip
- fluid
- sample
- section
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/50273—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means or forces applied to move the fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502738—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by integrated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1077—Flow resistance valves, e.g. without moving parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44756—Apparatus specially adapted therefor
- G01N27/44791—Microapparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0415—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic
- B01L2400/0421—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic electrophoretic flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0433—Moving fluids with specific forces or mechanical means specific forces vibrational forces
- B01L2400/0439—Moving fluids with specific forces or mechanical means specific forces vibrational forces ultrasonic vibrations, vibrating piezo elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0605—Valves, specific forms thereof check valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0677—Valves, specific forms thereof phase change valves; Meltable, freezing, dissolvable plugs; Destructible barriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/082—Active control of flow resistance, e.g. flow controllers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502746—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
Definitions
- the present invention relates to a micro chemical chip having at least one channel through which a fluid flows in a substrate.
- This microchemical chip is configured by forming a minute channel on the surface of a substrate made of glass, quartz, or the like. By supplying a sample to the channel and moving it downstream, sample component separation, Biochemical experiments such as reaction, purification, and gene analysis can be performed on a chip.
- this microchemical chip has the advantage that results can be obtained in a short time with a very small amount of sample compared to conventional experimental equipment.
- a large pump is installed outside the substrate, and the sample is pushed or pulled by the large pump. Either the electroosmotic flow generated in the sample solvent by applying a voltage between the electrodes arranged at the entrance and exit of the channel, or the like.
- the moving speed of the sample solution is generally several hundreds to several thousand picoliters / second in the case of a channel having a cross-sectional area of several hundreds to several thousand square microns, which is sufficiently satisfactory for high-speed inspection. is not.
- a commercially available micropip is used to dispense the sample into an inlet with an opening of about several millimeters to several centimeters ⁇ .
- the volume of a single dispensation is limited to a few hundred to several thousand nanoliters, and a more miniaturized injection method is also expected.
- the present invention has been made in view of such problems, and has enabled the miniaturization of the chip, the improvement of the analysis accuracy of the sample, and the analysis of the sample regardless of the electric charge with high accuracy, thereby greatly shortening the inspection time.
- An object of the present invention is to provide a microchemical chip that can be shortened and that can easily multiplex channels.
- Another object of the present invention in addition to the above, is to provide a micro-sample that can be supplied from outside to achieve a further improvement in sample use efficiency, analysis accuracy, and analysis speed. It is to provide a chemical chip. Disclosure of the invention
- the present invention relates to a microchemical chip having one or more channels through which a fluid flows in a substrate, comprising a pump unit upstream and / or downstream of the channel, wherein the pump unit is integrated with the substrate. It is characterized by being formed in a uniform manner.
- the pump section is formed integrally with the base, the pump section can realize the pushing of the fluid into the channel or the drawing of the fluid from the channel. There is no need to install a pump. So As a result, miniaturization of the chip can be achieved.
- the fluid can be moved by the pump part, it is possible to move the fluid without charge.
- the test accuracy depends on the components of the sample (solute) and the state of the charge. There are no inconveniences such as being affected.
- the said structure may have a valve part at least upstream of the said channel,
- the said valve part may be integrally formed in the said base
- an electrode for electrophoresis of a fluid may be formed on an upstream side and / or a downstream side of the channel. This is preferably used when performing an electrophoresis test in which the test accuracy is not affected by the state of the sample (solute) components and charge. For example, if the sample to be tested (solute) is negatively charged DNA or protein, the direction of electrophoresis is reversed from the direction of movement by the pump section, so that the amount of fluid movement relative to the sample can be controlled more finely. Inspection accuracy can be improved. In other words, by making the electrode in the direction of movement of the fluid by the pump unit negative, a force is exerted on the sample itself in the direction opposite to the flow (positive electrode), and the separation ability is improved.
- the fluid itself has polarity, adjust the strength of the electric field applied between the electrodes. Therefore, in addition to the movement of the fluid by the pump, the movement by the electroosmotic flow occurs, and the movement of the fluid and the completion of the analysis are realized more effectively and at high speed.
- the channel may include one or more sample channels through which one or more samples to be inspected respectively flow. This makes it possible to easily realize multiple channels.
- the one or more sample channels may allow a corresponding sample and a transfer fluid to flow, respectively. This saves valuable or expensive samples, increases the efficiency of experiments, and provides a cost advantage.
- the sample supplied to the channel and the sample supplied from another channel can be mixed.
- the one or more sample channels may be provided with a sample supply unit for supplying a corresponding sample.
- a sample supply unit for supplying a corresponding sample.
- the channel may include a merging channel where one or more samples from the one or more sample channels merge. Reaction, analysis, etc., of the result of merging a large number of samples can be performed easily.
- the channel includes one or more sample channels through which one or more samples to be inspected respectively flow, and one transport channel through which a transport fluid for transporting the sample flows. May be provided.
- the channel is a merging channel where one or more samples from the one or more sample channels and a carrier fluid from the one carrier channel merge, or from the one or more sample channels.
- a fluid mixed with at least one sample of It may have a merging channel where the carrier fluid from one carrier channel merges.
- the one or more sample channels may each have a valve section before the merging channel.
- a vibration generating section may be provided at the junction.
- the joining efficiency of one or more samples at the joining part can be increased, and the mixing speed, biochemical reaction speed, inspection speed, etc. can be improved, while mixing and biochemical reactions can be performed more reliably.
- the vibration generating portion may be formed on any one of the top surface, the flat surface, the side surface, and the entire peripheral surface as long as it is at least a part of the wall surface of the channel at the merging portion.
- the one or more sample channels may cross each other, or the one or more sample channels and the one transport channel may cross each other, or the one or more sample channels. And the one transfer channel may cross each other.
- a pump is provided for each channel, so that it is possible to control the drive timing of the pump, the suction of the pump, and the extruder for each channel, and to combine them. Mixing of samples in the section or transfer from one channel to the other is possible.
- the one or more sample channels may each have a valve section before the crossing portion. Thereby, the movement of the valuable or expensive fluid to the crossover part can be arbitrarily and reliably adjusted by the valve part, and the movement of the sample from one channel to the other channel becomes more reliable.
- a vibration generating section may be provided at the intersection.
- the location where the vibration generating portion is formed may be any one of the top surface, the flat surface, the side surface, and the entire peripheral surface as long as it is at least a part of the wall surface of the channel of the intersection portion.
- the said valve part may be made to have a heater which gives heat to a part of the said channel. This utilizes the change in flow path resistance due to the change in fluid viscosity due to heat.
- the heat When the heat is applied to the heat and the portion of the channel corresponding to heat is heated, the heat generally lowers the viscosity of the fluid, causing the fluid to flow through the channel.
- the power supply to the heater is stopped and the valve section is cooled, the viscosity of the fluid increases, and as a result, the flow resistance increases, and the flow of the fluid stops.
- the flow of fluid can be controlled by turning on and off the heater, and it functions as a valve.
- valve section may include a vibration generating section that applies vibration to a part of the channel. This utilizes the change in flow path resistance due to vibration. When vibration is applied to a part of the channel, the flow of the fluid stops because the flow resistance increases.
- the location where the vibration generating portion is formed may be any of the top surface, the flat surface, the side surface, and the entire peripheral surface as long as it is at least a part of the channel wall surface.
- the valve section may have a cavity communicating with the channel, and an actuation section for changing a volume of the cavity.
- Configuring the valve section with the heater, vibration generation section, or actuator section described above can realize reliable operation with a simple and inexpensive structure compared to conventional mechanical valves, but also has excellent durability. ing.
- the pump unit and the sample supply unit may include a nozzle, a cavity communicating with the channel, and a pump operation unit for changing a volume of the cavity.
- the fluid in the cavity is flushed downstream, and As the capacity of the cavity expands or returns, upstream fluid will be drawn into the cavity. By repeating these operations sequentially, the fluid on the upstream side is sequentially flushed to the downstream side.
- valve section includes a valve body disposed in a communication portion between the channel and the cavity, and a valve actuator section for operating the valve body to selectively open and close the communication portion.
- FIG. 1 is a perspective view showing a microphone-mouth chemical chip according to the first embodiment.
- FIG. 2 is a sectional view showing the first pump unit.
- FIG. 3 is a sectional view showing the second pump section.
- FIG. 4 is a perspective view showing a microphone-mouth chemical chip according to the second embodiment.
- FIG. 5 is a sectional view showing a third pump section.
- FIG. 6 is a sectional view showing the fourth pump unit.
- FIG. 7 is a perspective view showing a microphone-mouth chemical chip according to the third embodiment.
- FIG. 8 is a cross-sectional view illustrating a configuration of a supply unit main body of the sample supply unit.
- FIG. 9 is a perspective view showing a microphone-mouth chemical chip according to the fourth embodiment.
- FIG. 10 is a perspective view showing a modification of the microchemical chip according to the fourth embodiment.
- FIG. 11 is a perspective view showing a microchemical chip according to the fifth embodiment.
- FIG. 12 is a cross-sectional view illustrating a configuration of the vibration generating unit.
- FIG. 13 is a perspective view showing a microchemical chip according to the sixth embodiment.
- FIG. 14 is a sectional view showing the first check valve.
- FIG. 15 is a sectional view showing the second check valve.
- FIG. 16 is a perspective view showing a microchemical chip according to the seventh embodiment.
- FIG. 17 is a perspective view showing a microchemical chip according to the eighth embodiment.
- FIG. 18 is a perspective view showing a microchemical chip according to a ninth embodiment.
- FIG. 19 is a cross-sectional view showing the first valve section.
- FIG. 20 is a sectional view showing the second valve portion.
- FIG. 21 is a cross-sectional view showing the third valve section.
- a microchemical chip 1 OA according to the first embodiment has a plate-like substrate 12, and is formed on the surface of the substrate 12, and is formed of a transparent glass plate. Is closed and has one channel 14 through which fluid flows. At the beginning of channel 14, a fluid reservoir 16 for storing fluid is formed in communication with channel 14, and at the end of channel 14, fluid outlet 18 is communicated with channel 14. It is formed.
- Examples of the fluid include only a solution in which a sample (solute) to be inspected is dissolved or dispersed, or a combination of a sample solution to be inspected and a transport fluid.
- a sample solute
- a transport fluid By using a carrier fluid in addition to the sample, expensive samples can be saved.
- nucleic acids for example, nucleic acids, proteins, saccharides, cells, and complexes thereof can be used.
- Nucleic acids are DNA and / or fragments or amplified, cDNA and / or fragments or amplified, RNA or antisense RNA and / or fragments or amplified, chemically synthesized DNA or Examples include amplified or chemically synthesized RNA or amplified.
- Proteins include antigens, antibodies, lectins, adhesins, receptors for biologically active substances, and peptides.
- the channel 14 is provided with, for example, a heat generation unit, a heating unit, a cooling unit, a pH adjustment unit, a laser irradiation unit, a radiation irradiation unit, and an inspection unit used for chemical analysis such as chromatography.
- a heat generation unit for example, a heating unit, a cooling unit, a pH adjustment unit, a laser irradiation unit, a radiation irradiation unit, and an inspection unit used for chemical analysis such as chromatography.
- the constituent material of the base 12 examples include glass, plastic, silicon (quartz), ceramics, and glass ceramics.
- a glass material is preferable, for example, having an electrical insulating property in consideration of a case where an electrophoresis method is used, and in consideration of chemical durability and transparency.
- the channel 14 on the surface of the substrate 12 can be formed by an etching method such as photolithography.
- Glass materials are not only materials that can easily form channels 14, but also have resistance to weak acids and weak alkalis, as well as wettability, water repellency, surface tension, elution of glass components, glass surface polarity, and surface groups. It is preferable to select in consideration of factors that affect the fluid, such as.
- glass material for example, many glasses such as a borosilicate type such as a white plate (BK 7), a La type, a Zr type, and a Ti type can be used.
- an extrusion-type pump section 22 is provided on the base 12 upstream of the channel 14, in FIG. 1, in the vicinity of the fluid storage section 16 in the channel 14. It is formed integrally.
- the pump section 22 for example, first and second pump sections 22A and 22B can be used.
- the first and second pump sections 22A and 22B will be described.
- the details of the first pump section 22A are as described in Japanese Patent Application Laid-Open No. 2000-3141481.
- the first pump section 22A will be briefly described.
- the pump section 2 2 A includes, for example, a casing 30 made of ceramic to which fluid is supplied, and one input valve 3 provided to face one surface of the casing 30. 2, one pump 3 4 and one output valve 36.
- Each of the input valve 32, the pump 34 and the output valve 36 has an actuator section 38.
- the casing 30 is formed by laminating a plurality of green sheets of zirconia ceramics and integrally firing them, and includes a partition plate 40 provided in contact with the surface of the base 12, and a partition plate 40. And a support member 44 provided between the partition plate 40 and the second base 42.
- the first pump section 22A selectively forms a flow path on the back surface of the casing 30 through the selective movement of the input valve 32, the pump 34, and the output valve 36 in the approaching and separating directions. By controlling the flow of the fluid.
- the partition plate 40 is formed with an inlet hole 46 for supplying a fluid and a discharge hole 48 for discharging the fluid, and between the inlet hole 46 and the discharge hole 48.
- the input valve 32, the pump 34 and the output valve 36 are arranged in a horizontal direction.
- cavities 50 for forming vibrating portions at positions corresponding to the input valve 32, the pump 34, and the output valve 36, respectively.
- Each space 50 is communicated with the outside through a small-diameter through hole 52 provided in the end face of the second base 42.
- the portion where the void 50 is formed is made thin, and the other portion is made thick.
- the thin portion has a structure that is susceptible to vibrations due to external stress, and functions as the vibrating portion 54.
- the portion other than the void 50 functions as the fixed portion 56 that supports the vibrating portion 54. .
- a plurality of columns are interposed in the vicinity of the actuator section 38 to maintain rigidity. Further, in this example, the rigidity is maintained also by the support member 44 of the casing 30.
- Each actuator section 38 includes a vibrating section 54 and a fixed section 56, and a shape maintaining layer 60 such as a piezoelectric electrostrictive layer or an antiferroelectric layer formed on the vibrating section 54, An operating portion 66 having an upper electrode 62 and a lower electrode 64 formed on the upper and lower surfaces of the shape maintaining layer 60 is provided.
- the first pump section 22A has a displacement transmitting section 68.
- the displacement transmitting portion 68 is formed on each of the actuating portions 38 and transmits the displacement of each of the actuating portions 38 in the direction of the rear surface of the casing 30.
- the actuator section 38 of the input valve 32 When sending to the downstream side of A, the actuator section 38 of the input valve 32 is driven, and the end face of the displacement transmission section 68 corresponding to the input valve 32 is separated from the partition plate 40, After that, the actuator section 38 of the pump 34 is driven, and the displacement transmission section 68 is driven.
- the actuator section 38 of the pump 34 By separating the end face corresponding to the pump 34 from the partition plate 40, the fluid on the upstream side flows toward the pump 34 via the input valve 32.
- the actuator portion 38 of the input valve 32 is driven to bring the end face of the displacement transmitting portion 68 corresponding to the input valve 32 into contact with the partition plate 40, and then the output valve 36
- the actuator portion 38 of the displacement transmission portion 68 By driving the actuator portion 38 of the displacement transmission portion 68, the end face corresponding to the output valve 36 is separated from the partition plate 40, and further, the actuator portion 38 of the pump 34 is moved.
- the fluid flows toward the output valve 36 by being driven to bring the end face corresponding to the pump 34 of the displacement transmitting section 68 into contact with the partition plate 40.
- the fluid that was on the upstream side of the first pump section 22 A (in this case, the fluid storage section 16) becomes downstream of the first pump section 22 A, that is, the channel. It flows sequentially toward the downstream side of the rule 14.
- the second pump section 22 B is provided with a partition plate 70 provided in contact with the surface of the base 12, and a vibration provided in opposition to the partition plate 70. It has a plate 72 and a support member 74 provided between the partition plate 70 and the diaphragm 72.
- the partition plate 70, the diaphragm 72, and the support member 74 can be configured by stacking a plurality of zirconium aceramic green sheets and integrally firing them.
- An operating portion 76 is formed on the upper surface of the diaphragm 72.
- the operating section 76 includes a shape holding layer 78 such as a piezoelectric electrostrictive layer or an antiferroelectric layer, and upper and lower surfaces of the shape holding layer 78. And an upper electrode 80 and a lower electrode 82 formed on the substrate.
- the vibration plate 72 and the operating unit 76 constitute an actuator unit 84.
- a cavity 86 through which fluid enters is formed in a portion of the lower portion of the diaphragm 72 corresponding to the operating portion 76. That is, the cavity 86 is partitioned by the partition plate 70, the diaphragm 72, and the support member 74, and communicates with the introduction hole 88 and the discharge hole 90 provided in the partition plate 70. ing.
- the channel 14 of the base 12 has an input valve 92 and an output valve 94 at portions corresponding to the introduction hole 88 and the discharge hole 90.
- the input valve 92 has an actuator part 96 and a conical displacement transmitting part 98 provided on the actuator part 96.
- the actuator section 96 includes a cavity 100 formed in the base 12, a vibrating section 102 and a fixed section 104 formed by forming the cavity 100, and a vibrating section 1. It is configured to have an operating part 106 formed on the element 02.
- the output valve 94 has an actuator section 108 and a conical displacement transmitting section 110 provided on the actuator section 108.
- the displacement transmitting portion 98 of the input valve 92 closes and opens the introduction hole 88 by the vertical displacement operation of the actuator portion 96 in the input valve 92, and the output valve 9
- the displacement transmitting portion 110 of the output valve 94 closes and opens the discharge hole 90 due to the vertical movement of the actuator portion 108 in FIG.
- the fluid upstream of the second pump section 22B is guided into the cavity 86 through the input valve 92 and the inlet hole 88, and is driven by the actuator section 84.
- the fluid in the cavity 86 is caused to flow downstream via the discharge hole 90 and the output valve 94 by the volume change of the cavity 86.
- the pump section is located upstream of channel 14
- the fluid can be pushed and moved into the channel 14 with the same size as the conventional microchemical chip.
- the viscosity of the fluid can be moved to a high viscosity fluid of about 100,000 centiboise, and the moving speed can be realized from 10 pico-liter to 10 micro-liter.
- the microchemical chip 10B according to the second embodiment has substantially the same configuration as the above-described microchemical chip 1OA, but the downstream side of the channel 14, 4 differs from the channel 14 in that a pump section 22 of a suction pump is formed integrally with the base 12 near the fluid discharge section 18.
- the pump section 22 includes the first and second pump sections 22 A and 22 B described above. In addition, the following third and fourth pump sections 22C and 22D can also be used.
- the pump section 22 C includes a partition plate 120 provided in contact with the surface of the base 12, and a diaphragm 1 22 provided opposite to the partition plate 120. And a support member 124 provided between the partition plate 120 and the diaphragm 122.
- the partition plate 120, the diaphragm 122, and the support member 124 can be formed by laminating a plurality of zirconium ceramic green sheets and integrally firing them.
- An operating portion 126 is formed on the upper surface of the diaphragm 122.
- the operating section 126 has a shape holding layer 128 such as a piezoelectric Z electrostrictive layer or an antiferroelectric layer, and the shape holding layer 122. It has an upper electrode 130 and a lower electrode 132 formed on the upper and lower surfaces of the substrate.
- the actuator 122 is constituted by the diaphragm 122 and the operating part 126.
- a cavity 136 for allowing fluid to enter is formed.
- the cavity 1 36 is divided by the partition plate 120, the diaphragm 122, and the support member 124, and the introduction holes 1 38 provided in the partition plate 120 and the discharge holes are formed. It communicates with hole 1 39.
- the actuator 1 34 is driven to drive the cavity 1 3 6
- the fluid in the cavity 1 36 is flushed to the downstream side by driving the actuator 1 34
- the side fluid is directed into the cavity 1 36.
- the fourth pump section 2 2D is provided with a partition plate 140 provided in contact with the surface of the base 12, and provided so as to face the partition plate 140. And a side wall 144 provided between the partition plate 140 and the upper plate 142.
- the side wall 144 is made of a piezoelectric electrostrictive body or an antiferroelectric material.
- an electrode film is formed on the side wall 144. By applying a voltage to this electrode film and applying an electric field to the side wall, the side wall 144 can be changed according to the strength of the electric field. To expand and contract vertically.
- the portion surrounded by the partition plate 140, the side wall 144, and the upper plate 142 is formed as a cavity 144 for a fluid to enter, and is provided on the partition plate 140. It communicates with the inlet hole 148 and the outlet hole 150.
- the diameter of the introduction hole 148 is set to be smaller toward the cavity 146, and the opening diameter of the channel 14 is set to be larger than the opening diameter of the cavity 146.
- the diameter of the discharge hole 150 is set larger toward the cavity 144, and the opening diameter on the channel 14 side is set smaller than the opening diameter on the cavity 144 side.
- the inlet hole 148 has a structure in which the fluid on the upstream side can easily enter the cavity 144 through the inlet hole 148, and the fluid in the cavity 146 does not easily exit through the inlet hole 148.
- the discharge hole 150 the fluid in the cavity 144 easily flows to the downstream side through the discharge hole 150, and the fluid in the downstream side hardly enters the cavity 144 through the discharge hole 150. It has a structure.
- microchemical chip 10 B the microchemical chip 10
- the pump section 22 of the microchemical chip 10B is Since it does not have a valve structure, the fluid cannot be pushed out, and as in the embodiment, the downstream side of the fluid is the atmosphere and the upstream side is operated as a suction pump with the fluid being filled.
- the fluid that can be moved is a fluid with a viscosity of up to about 1000 centimeter-boise, and a moving speed of 1 picoliter / second to a maximum of 10 microliter seconds has been realized.
- Experiments and analyzes using microchemical chips 1OA and 10B have made it possible to improve the analysis accuracy of fluids and to enable biochemical analysis of fluids without charge. did it.
- microchemical chip 10C according to a third embodiment will be described with reference to FIG.
- This microchemical chip 10C has substantially the same configuration as the microchemical chip 10B described above, except that a sample supply section 16O for supplying a sample to the channel 14 is provided. .
- the sample supply section 160 includes a supply section main body 162 formed on a part of the channel 14 having an opening on the upper surface, and a sample storage section formed on the surface of the base 12. And a sample channel for guiding the sample from the sample storage section to the supply section main body.
- the supply unit main body 162 has a ceramic casing 170 formed on the surface of the base body 12, and the casing 170 has a plurality of casings.
- the first and second cavities 17 2 and 17 4 which are formed by laminating green sheets of zirconia ceramics and integrally firing and temporarily storing the sample from the sample channel 16 6, And a communication hole 176 communicating between the second cavities 172 and 174 and a sample discharge hole 178 formed toward the opening of the channel 14.
- the supply unit main body 162 has an actuator unit 177 that vibrates the casing 170 and changes the volume of the second cavity 174.
- the second cavity 1 74 is composed of a lower plate 180 on which a sample discharge hole 1 78 and a communication hole 1 76 are formed and an upper plate 1 84 located on the second cavity 1 74 (vibration). Plate) and a side plate 182 disposed between the lower plate 180 and the upper plate 184.
- the outer part 1 77 of the box is formed on the surface of the upper plate 18 4.
- the sample in the first cavity 1 72 passes through the communication hole 1 76
- the sample is guided into the second cavity 1 74, and the sample in the sample storage section 16 4 is further guided into the first cavity 17 2 via the sample channel 16 6.
- the sample in the sample supply section 160 is sequentially supplied to the channel 14.
- the size of the supply unit body 16 2 is selected depending on the overall size of the microchemical chip, the type of sample to be handled, etc., but the size of the second cavity 1 74 is 3 mm in height and 0 mm in width. If the diameter of the sample discharge hole 1178 and the communication hole 1776 is 0.07 mm, the sample viscosity is 2 mm and the sample viscosity is 2 mm. Is supplied in 100 picoliters.
- the sample supply unit 160 can set the supply timing and supply amount of the sample to the channel 14 arbitrarily in picoliter units. It was possible to provide a microchip mouth chemical chip 10C capable of further improving the sample use efficiency, the analysis accuracy, and the speed of the analysis at a reduced cost.
- the pump section 22 is not always necessary, and the movement of the fluid in the channel 14 may be performed by using a conventional external pump or electroosmotic flow.
- microchemical chip 10D according to a fourth embodiment will be described with reference to FIG.
- this microchemical chip 10D has substantially the same configuration as the above-described microchemical chip 1OA, but has two fluid reservoirs (a first fluid reservoir 16A and a second fluid reservoir 16A). And 16B), and a pump section 22 is formed near each of the fluid storage sections 16A and 16B. Pump section 2
- the first and second pump sections 22A and 22B shown in FIGS. 2 and 3 can be used.
- the microchemical chip 10D includes a first channel 14a for sending the fluid of the first fluid storage section 16A to the downstream side, and a second fluid storage section.
- a second channel 14 b that sends the 16 B fluid downstream; and a merging channel 14 where the two types of fluids sent through the first and second channels 14 a and 14 b merge.
- the transport fluid may be supplied to the second fluid storage section 16B.
- the transfer fluid was transferred by the pump section 22 installed in the second channel 14b.
- three fluid reservoirs 16 A to 16 C are provided on the surface of the base 12, By providing the third channels 14a to 14c and the merging channel 14, different samples are supplied to the first and second channels 14 & and 14b, respectively, and the third channel 14c By supplying the carrier fluid to the sample, it is possible to easily check the results after the merging of different samples while saving valuable or expensive samples.
- four or more channels and one or more merging channels may be provided.
- the microchemical chip 10E according to the fifth embodiment has substantially the same configuration as the above-described microchemical chip 10D, but generates vibration at the junction. It differs in having a part 190.
- the vibration generating section 190 is provided above the converging portion of the channel 14, and includes a vibration plate 192 and an operating section 1 formed on the vibration plate 192.
- 94 shape maintaining layer 1996, upper electrode 198 and lower electrode 199.
- Upper electrode 1 98 and lower electrode 2 By applying an alternating voltage to 0, vibration can be easily generated at the junction.
- the diaphragm 1992 is necessary to form the working part 1994 by firing integrally.However, in the case where the working part 194 is manufactured by forming electrodes on a bulk piezoelectric material, for example. Is not necessary, and the operating section 1994 may be directly attached to the channel 14. Further, the vibration generating section 190 may be installed on the side surface, the bottom surface, or the like, instead of being installed on the upper portion of the channel 14. In particular, when the base 12 is made of zirconia ceramics, the vibration generating section 190 may be formed integrally with the pump section 22 described above.
- microchemical chip 10F according to a sixth embodiment will be described with reference to FIG.
- this microchemical chip 10F has almost the same configuration as the above-mentioned microchemical chip 10B, but has two fluid reservoirs (first and second fluid reservoirs). 16B and 16B), and a check valve 210 is formed in the vicinity of each of the fluid storage sections 168 and 16B.
- Any of the first to fourth pump units 22A to 22D shown in FIGS. 2 and 3 and FIGS. 5 and 6 can be used as the pump unit 22.
- This microchemical chip 1OF also has a first channel 14a for sending the fluid of the first fluid storage section 16A to the downstream side, and a second channel for sending the fluid of the second fluid storage section 16B to the downstream side. It has two channels 14b and a merging channel 14 where two kinds of fluids sent through the first and second channels 14a and 14b merge.
- check valve 210 As the check valve 210, a first check valve 210A shown in FIG. 14 or a second check valve 210B shown in FIG. 15 can be used. In the description of the check valve 210, description will be made assuming a configuration in which at least the lid plate 212 that closes at least the channels 14a and 14b is covered on the base body 12.
- the first check valve 21 OA is connected to channels 14 a and And a valve body 2 14 provided in the valve body 14 b.
- the valve body 2 14 includes an upper plate 2 16, a side wall 2 18 provided between the base 12 and the upper plate 2 16, and a conical shape provided on the upper plate 2 16. And a displacement transmission section 220. Further, a conical concave portion 222 is formed in a portion of the cover plate 212 corresponding to the displacement transmitting portion 220.
- the side wall 218 is made of a piezoelectric electrostrictive body or an antiferroelectric material. Although not shown, an electrode film is formed on the side wall 218, and a voltage is applied to the electrode film to apply an electric field to the side wall 218. It expands and contracts up and down accordingly.
- a negative electric field is applied to the side wall 218 to extend the side wall 218, thereby bringing the displacement transmitting portion 220 into contact with the inner surface of the concave portion 222, thereby stopping the flow of the fluid.
- a positive electric field is applied to the side wall 2 18 to shrink the side wall 2 18, the displacement transmitting portion 220 is separated from the concave portion 222, so that the fluid flows through the channel 14 a ( 1 4 b).
- valve body 230 provided in 4a and 14b.
- the valve main body 230 has an actuator portion 232 and a conical displacement transmitting portion 234 provided on the actuator portion 232.
- the actuator part 2 32 includes a cavity 2 36 formed in the base 12, a vibrating section 2 38 and a fixed section 240 formed by the formation of the cavity 2 36, and a vibrating section. It is configured to have an operating part 242 formed on 238.
- the displacement transmitting portion 234 comes into contact with or separates from the concave portion 222 by the vertical displacement operation of the actuator portion 232 in the valve body 230, and the flow of the fluid stops or progresses. Will do.
- a sample to be inspected and a transport fluid are supplied to the first fluid reservoir 16 A, and another fluid to be inspected is supplied to the second fluid reservoir 16 B.
- a sample and a carrier fluid may be supplied.
- biochemical analysis or the like of the result of merging (reaction, etc.) the two types of samples can be easily performed.
- each check valve 2 1 0 the supply amount of the sample to each of the channels 14 & and 14 b can be arbitrarily adjusted, which is advantageous for improving the accuracy of the analysis and reducing the cost.
- a sample to be inspected may be supplied to the first fluid storage unit 16A, and a transport fluid may be supplied to the second fluid storage unit 16B. Also in this case, the supply amount of the sample and the transport fluid to each channel 14a and 14b can be arbitrarily adjusted by the check valve 210.
- microchemical chip 10G according to a seventh embodiment will be described with reference to FIG.
- this microchemical chip 10G has almost the same configuration as the above-mentioned microchemical chip 10B, but has electrodes 250 and upstream and downstream of the channel 14. The difference is that 25 2 is formed.
- one electrode 250 is formed near the fluid reservoir 16, and the other electrode 252 is formed near the upstream of the pump 22. If the sample to be inspected is a charged solute and has, for example, a negative charge, one electrode 250 is used as an anode (high potential electrode) and the other electrode 250 is used as a cathode. Then, the sample is electrophoresed in the direction opposite to the moving direction by the pump unit 22.
- the electrode itself in the direction of fluid movement by the pump unit 22 is made positive, so that the sample itself is in the opposite direction to the flow (negative electrode). The force that was attracted to) worked, and sufficient separation capacity was secured.
- this microchemical chip 1 OH has substantially the same configuration as the above-mentioned microchemical chip 10 B, but another channel 260 crossing the channel 14 is formed. In that the electrodes 250 and 250 are formed upstream and downstream of the another channel 260.
- one electrode 250 is formed in the vicinity of the fluid reservoir 262, and the other electrode 252 is formed in the vicinity of the fluid outlet 2624. It is formed. If the sample to be inspected is a charged fluid and has, for example, a negative charge, one electrode 250 is used as a cathode (electrode having a low potential) and the other electrode 250 is used as an anode. Then, an electroosmotic flow is generated in the direction of the fluid discharge portion 264. By supplying a charged or unrelated sample to one channel 14 and a charged sample to the other channel 260, these samples are mixed at the crossing point, Further, by flowing the mixed fluid downstream of the channel 14 through the one channel 14, biochemical analysis can be performed on the mixed fluid.
- the pump unit 2 is passed from the fluid reservoir 16 through the channel 14
- the voltage applied to the electrodes is reversed while the pump section 22 is operating, so that the sample other than the sample supplied to the crossing section is Can be prevented from flowing out of the channel 14.
- microchemical chip 10I according to a ninth embodiment will be described with reference to FIG.
- this microchemical chip 10I has almost the same configuration as the above-mentioned microchemical chip 10F, but is provided on the first channel 14a through which the sample to be inspected flows. The difference is that a valve portion 300 is formed.
- the carrier fluid A valve portion 300 is not formed in the flowing second channel 14b, but is formed only in the first channel 14a to which a valuable or expensive sample is supplied.
- valve portion 300 for example, a first valve portion 300A shown in FIG. 19, a second valve portion 300B shown in FIG. 20, or a third valve portion shown in FIG. 300 C can be used.
- the first valve portion 30OA includes, for example, a flow path resistor 302 made of ceramic and a heater 304 embedded in the flow path resistor 302. Have.
- the first valve portion 30OA utilizes a change in flow path resistance due to a change in viscosity of the fluid due to heat.
- the heater 304 When the heater 304 is energized and the portion of the first channel 14a corresponding to the flow path resistor 302 is in a heated state, the heat reduces the viscosity of the fluid. And the fluid flows through the first channel 14a.
- the power supply to the heat sink 304 is stopped and the portion corresponding to the flow path resistor 302 is cooled, the viscosity of the fluid increases, and as a result, the flow resistance increases and the fluid The flow will stop.
- the flow of the fluid can be controlled by energizing the heater 304 and stopping the energization, and functions as the valve unit 300.
- the second valve section 300B has a vibration generating section 310 that applies vibration to a part of the first channel 14a.
- the vibration generating section 3 10 is composed of a diaphragm 3 12 provided on the first channel 14 a and an operating section 3 1 4 (shape retaining layer 3 1 6) formed on the diaphragm 3 12. , An upper electrode 318 and a lower electrode 322). By applying an alternating voltage to the upper electrode 3 18 and the lower electrode 3 20, vibration can be easily generated in the first channel 14 a.
- the second valve section 300B utilizes a change in flow path resistance due to vibration. When vibration is applied to a part of the first channel 14a, the flow of the fluid stops because the flow path resistance increases.
- the third valve portion 300C has a casing 332 provided on a lid plate 330 that covers at least the first channel 14a. You. In the casing 3 3 2, the first channel 14 a, the inlet 3 3 4 and the outlet A cavity 3 3 8 communicating through 3 3 6 is formed.
- an operating portion 3 4 0 shape retaining layer 3 4 2, upper electrode 3 4 4 and lower electrode 3 4 6) is formed, and an upper portion of the casing 3 3 2 (diaphragm 3 4 Together with 8), it functions as an actuary section 350.
- the diameter of the inlet hole 3 3 4 is set to be larger toward the cavity 3 3 8, and the opening diameter on the first channel 14 a side is the cavity 3 3 8 It is set smaller than the opening diameter on the side.
- the diameter of the discharge hole 3336 is set to be smaller toward the cavity 3338, and the opening diameter of the first channel 14a side is set to be larger than the opening diameter of the cavity 3338 side.
- the inlet hole 334 has a structure in which the fluid in the cavity 338 easily applies pressure to the upstream fluid through the inlet hole 334, and the outlet hole 336 has the downstream fluid. Are configured to easily apply pressure to the fluid in the cavity 338 through the discharge holes 336.
- two channels or three channels are merged, or two channels are crossed.
- four or more channels are merged, or three or more channels are merged. This can be applied to the case where the channels are crossed.
- the microchemical chip according to the present invention is not limited to the above-described embodiment, but may adopt various configurations without departing from the gist of the present invention.
- the substrate 12 may be formed of zirconia ceramics having low reactivity with the material of the actuator, from the viewpoint of being integrated with the pump unit 22 and the sample supply unit 160, and may be formed of a channel 14 May be made of a composite with zirconia ceramics, in which only the plate material closing the upper surface is made of glass.
- the microchemical chip of the present invention it is possible to reduce the size of the chip, improve the analysis accuracy of the sample, analyze a sample having no charge, and easily multi-channel. Become.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003211372A AU2003211372A1 (en) | 2002-02-19 | 2003-02-18 | Micro chemical chip |
EP03705263A EP1486780A4 (en) | 2002-02-19 | 2003-02-18 | MICROCHEMICAL CHIP |
US10/504,692 US20050053484A1 (en) | 2002-02-19 | 2003-02-18 | Microchemical chip |
US12/149,822 US20080240946A1 (en) | 2002-02-19 | 2008-05-08 | Microchemical chip |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002042391A JP4221184B2 (ja) | 2002-02-19 | 2002-02-19 | マイクロ化学チップ |
JP2002-42391 | 2002-02-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/149,822 Continuation US20080240946A1 (en) | 2002-02-19 | 2008-05-08 | Microchemical chip |
Publications (1)
Publication Number | Publication Date |
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WO2003071262A1 true WO2003071262A1 (fr) | 2003-08-28 |
Family
ID=27750495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/001692 WO2003071262A1 (fr) | 2002-02-19 | 2003-02-18 | Puce microchimique |
Country Status (6)
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US (2) | US20050053484A1 (ja) |
EP (1) | EP1486780A4 (ja) |
JP (1) | JP4221184B2 (ja) |
CN (1) | CN100592084C (ja) |
AU (1) | AU2003211372A1 (ja) |
WO (1) | WO2003071262A1 (ja) |
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EP1510250A2 (en) * | 2003-08-29 | 2005-03-02 | Fuji Photo Film Co., Ltd. | Fluid mixing reaction enhancement method using micro device, and micro device |
WO2005070533A1 (en) * | 2004-01-27 | 2005-08-04 | Future Diagnostics B.V. | System for characterising a fluid, microfluidic device for characterising or analysing concentrations components, a method of characterising or analysing such concentrations and a measurement |
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WO2005036182A1 (ja) * | 2003-10-15 | 2005-04-21 | Matsushita Electric Industrial Co., Ltd. | キャピラリチップにおける流体の流通方法 |
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KR100618320B1 (ko) | 2004-09-14 | 2006-08-31 | 삼성전자주식회사 | 유체이동장치 및 이를 구비한 일회용칩 |
JP2008528886A (ja) * | 2005-01-21 | 2008-07-31 | ウオーターズ・インベストメンツ・リミテツド | 温度制御された可変流体抵抗装置 |
JP4881115B2 (ja) * | 2006-05-11 | 2012-02-22 | セイコーインスツル株式会社 | マイクロリアクター及びマイクロリアクターシステム |
JP5192073B2 (ja) * | 2006-05-11 | 2013-05-08 | セイコーインスツル株式会社 | マイクロリアクター及びマイクロリアクターシステム |
US8464760B2 (en) | 2006-08-16 | 2013-06-18 | Samsung Electronic Co., Ltd. | Valve unit, reaction apparatus with the same, and method of forming valve in channel |
JP5125315B2 (ja) * | 2007-08-24 | 2013-01-23 | 東京エレクトロン株式会社 | クロマト検出装置 |
JP2010096655A (ja) * | 2008-10-17 | 2010-04-30 | Kurabo Ind Ltd | 流体制御方法 |
JP5265820B2 (ja) * | 2013-01-04 | 2013-08-14 | 倉敷紡績株式会社 | 流体制御方法及び装置 |
AU2013388133B2 (en) | 2013-04-30 | 2019-11-14 | Hewlett-Packard Development Company, L.P. | Microfluidic sensing device and system |
CN103768985B (zh) * | 2013-12-25 | 2016-06-08 | 浙江师范大学 | 一种压电驱动微流体混合器及其制备工艺 |
CN109789383A (zh) * | 2016-10-21 | 2019-05-21 | 惠普发展公司,有限责任合伙企业 | 微滴发生器 |
CN106669561B (zh) * | 2017-01-13 | 2024-07-05 | 上海凯赛生物技术股份有限公司 | 一种平行聚合釜 |
WO2020181464A1 (zh) * | 2019-03-11 | 2020-09-17 | 京东方科技集团股份有限公司 | 微流道及其制备方法和操作方法 |
CN111939991A (zh) * | 2020-07-09 | 2020-11-17 | 南京元感微电子有限公司 | 一种微流控系统及其制备方法 |
CN114382685B (zh) * | 2020-10-16 | 2024-10-01 | 研能科技股份有限公司 | 薄型气体传输装置 |
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EP1510250A2 (en) * | 2003-08-29 | 2005-03-02 | Fuji Photo Film Co., Ltd. | Fluid mixing reaction enhancement method using micro device, and micro device |
EP1510250A3 (en) * | 2003-08-29 | 2005-11-23 | Fuji Photo Film Co., Ltd. | Fluid mixing reaction enhancement method using micro device, and micro device |
US7401970B2 (en) | 2003-08-29 | 2008-07-22 | Fujifilm Corporation | Fluid mixing reaction enhancement method using micro device, and micro device |
WO2005070533A1 (en) * | 2004-01-27 | 2005-08-04 | Future Diagnostics B.V. | System for characterising a fluid, microfluidic device for characterising or analysing concentrations components, a method of characterising or analysing such concentrations and a measurement |
Also Published As
Publication number | Publication date |
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EP1486780A1 (en) | 2004-12-15 |
CN1646903A (zh) | 2005-07-27 |
US20050053484A1 (en) | 2005-03-10 |
AU2003211372A1 (en) | 2003-09-09 |
JP4221184B2 (ja) | 2009-02-12 |
US20080240946A1 (en) | 2008-10-02 |
JP2003240757A (ja) | 2003-08-27 |
EP1486780A4 (en) | 2008-04-02 |
CN100592084C (zh) | 2010-02-24 |
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