DE2651686C2 - - Google Patents

Info

Publication number
DE2651686C2
DE2651686C2 DE2651686A DE2651686A DE2651686C2 DE 2651686 C2 DE2651686 C2 DE 2651686C2 DE 2651686 A DE2651686 A DE 2651686A DE 2651686 A DE2651686 A DE 2651686A DE 2651686 C2 DE2651686 C2 DE 2651686C2
Authority
DE
Germany
Prior art keywords
liquid
solid
mixture
layer
density
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.)
Expired
Application number
DE2651686A
Other languages
German (de)
English (en)
Other versions
DE2651686A1 (de
Inventor
William Michael Edinburgh Schottland/Scotland Gb Hunter
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.)
BTG International Ltd
Original Assignee
National Research Development Corp UK
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
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of DE2651686A1 publication Critical patent/DE2651686A1/de
Application granted granted Critical
Publication of DE2651686C2 publication Critical patent/DE2651686C2/de
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5021Test tubes specially adapted for centrifugation purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D12/00Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D43/00Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/14Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/536Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
    • G01N33/537Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody
    • G01N33/538Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody by sorbent column, particles or resin strip, i.e. sorbent materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54313Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00Chemistry: analytical and immunological testing
    • Y10S436/804Radioisotope, e.g. radioimmunoassay
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00Chemistry: analytical and immunological testing
    • Y10S436/807Apparatus included in process claim, e.g. physical support structures
    • Y10S436/808Automated or kit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00Chemistry: analytical and immunological testing
    • Y10S436/815Test for named compound or class of compounds
    • Y10S436/817Steroids or hormones

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Clinical Laboratory Science (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
DE19762651686 1975-11-14 1976-11-12 Verfahren und vorrichtung zur trennung von festen und fluessigen komponenten von gemischen Granted DE2651686A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47078/75A GB1566098A (en) 1975-11-14 1975-11-14 Separation of solid and liquid components of mixtures

Publications (2)

Publication Number Publication Date
DE2651686A1 DE2651686A1 (de) 1977-05-26
DE2651686C2 true DE2651686C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-26

Family

ID=10443639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762651686 Granted DE2651686A1 (de) 1975-11-14 1976-11-12 Verfahren und vorrichtung zur trennung von festen und fluessigen komponenten von gemischen

Country Status (3)

Country Link
US (1) US4125375A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2651686A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1566098A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (44)

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US4238471A (en) * 1978-07-12 1980-12-09 Becton, Dickinson And Company Assay for thyroid hormone binding capacity
US4200625A (en) * 1978-07-12 1980-04-29 Becton, Dickinson And Company Immobilized binder for automated assay
IL56839A0 (en) * 1979-03-11 1979-05-31 Technion Res & Dev Foundation Improvement in specific binding assay technique
US4435293A (en) * 1981-08-05 1984-03-06 Ortho Diagnostic Systems Inc. Particle washing system and method of use
GB8305337D0 (en) * 1983-02-25 1983-03-30 Celltech Ltd Separation of solid and liquid components of mixtures
FI841023A0 (fi) * 1984-03-14 1984-03-14 Labsystems Oy Foerfarande foer utfoering av immunobestaemningar
FI842992A0 (fi) * 1984-07-26 1984-07-26 Labsystems Oy Immunologiskt definitionsfoerfarande.
US4729876A (en) * 1984-11-27 1988-03-08 Nova Celltrak, Inc. Blood analysis system
FI850481A0 (fi) * 1985-02-06 1985-02-06 Labsystems Oy Foerfarande foer bestaemning av motmedel eller antigener.
JP2591738B2 (ja) * 1985-08-21 1997-03-19 ベーリンガー マンヘイム コーポレイション 特異的結合アッセイにおける成分の分離,混合および検出のための方法および装置
US5073341A (en) * 1985-08-21 1991-12-17 Biotope, Inc. Devices for conducting specific binding assays
FI853523A0 (fi) * 1985-09-13 1985-09-13 Labsystems Oy Foerfarande foer utfoering av immunobestaemningar med hjaelp av enzymstaempel.
DE3882040T2 (de) * 1987-12-01 1993-09-30 Biotope Inc Verfahren und vorrichtungen zur durchführung von untersuchungen.
US5795784A (en) 1996-09-19 1998-08-18 Abbott Laboratories Method of performing a process for determining an item of interest in a sample
US5856194A (en) 1996-09-19 1999-01-05 Abbott Laboratories Method for determination of item of interest in a sample
EP1502101B1 (en) 2001-09-06 2012-11-07 Straus Holdings Inc. Rapid and sensitive detection of cells and viruses
WO2005102491A1 (en) * 2004-04-21 2005-11-03 Prime Services Limited Process for separating one or more solids from water miscible fluids and an apparatus therefor
CA2623408C (en) 2005-09-26 2014-04-01 Rapid Micro Biosystems, Inc. Cassette containing growth medium
US8988881B2 (en) 2007-12-18 2015-03-24 Sandia Corporation Heat exchanger device and method for heat removal or transfer
AU2009296528A1 (en) 2008-09-24 2010-04-01 Straus Holdings Inc. Imaging analyzer for testing analytes
US9005417B1 (en) 2008-10-01 2015-04-14 Sandia Corporation Devices, systems, and methods for microscale isoelectric fractionation
US9186668B1 (en) 2010-06-04 2015-11-17 Sandia Corporation Microfluidic devices, systems, and methods for quantifying particles using centrifugal force
US8945914B1 (en) * 2010-07-08 2015-02-03 Sandia Corporation Devices, systems, and methods for conducting sandwich assays using sedimentation
US8962346B2 (en) 2010-07-08 2015-02-24 Sandia Corporation Devices, systems, and methods for conducting assays with improved sensitivity using sedimentation
US9795961B1 (en) 2010-07-08 2017-10-24 National Technology & Engineering Solutions Of Sandia, Llc Devices, systems, and methods for detecting nucleic acids using sedimentation
WO2012118982A2 (en) 2011-03-02 2012-09-07 Sandia Corporation Axial flow heat exchanger devices and methods for heat transfer using axial flow devices
WO2013070730A2 (en) 2011-11-07 2013-05-16 Rapid Micro Biosystems, Inc. Cassette for sterility testing
US9244065B1 (en) 2012-03-16 2016-01-26 Sandia Corporation Systems, devices, and methods for agglutination assays using sedimentation
IN2014DN08564A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2012-04-16 2015-05-22 Rapid Micro Biosystems Inc
US9903001B1 (en) 2012-07-19 2018-02-27 National Technology & Engineering Solutions Of Sandia, Llc Quantitative detection of pathogens in centrifugal microfluidic disks
CA2885845C (en) 2012-11-07 2019-10-29 Sandstone Diagnostics, Inc. Methods and devices for processing samples and counting cells
US10197480B2 (en) 2012-11-07 2019-02-05 Sandstone Diagnostics, Inc. Methods and devices for processing samples and counting cells
US9304128B1 (en) 2013-02-01 2016-04-05 Sandia Corporation Toxin activity assays, devices, methods and systems therefor
EP2954302B1 (en) 2013-02-07 2020-08-26 Sandstone Diagnostics, Inc. Automated sample processing, fluid distribution, and sedimentation assay
US9500579B1 (en) 2013-05-01 2016-11-22 Sandia Corporation System and method for detecting components of a mixture including tooth elements for alignment
US9803238B1 (en) 2013-11-26 2017-10-31 National Technology & Engineering Solutions Of Sandia, Llc Method and apparatus for purifying nucleic acids and performing polymerase chain reaction assays using an immiscible fluid
US9702871B1 (en) 2014-11-18 2017-07-11 National Technology & Engineering Solutions Of Sandia, Llc System and method for detecting components of a mixture including a valving scheme for competition assays
US10254298B1 (en) 2015-03-25 2019-04-09 National Technology & Engineering Solutions Of Sandia, Llc Detection of metabolites for controlled substances
US10406528B1 (en) 2016-08-04 2019-09-10 National Technology & Engineering Solutions Of Sandia, Llc Non-contact temperature control system for microfluidic devices
US10981174B1 (en) 2016-08-04 2021-04-20 National Technology & Engineering Solutions Of Sandia, Llc Protein and nucleic acid detection for microfluidic devices
US10786811B1 (en) 2016-10-24 2020-09-29 National Technology & Engineering Solutions Of Sandia, Llc Detection of active and latent infections with microfluidic devices and systems thereof
AU2019255388B2 (en) 2018-04-19 2025-01-30 First Light Diagnostics, Inc. Detection of targets
AU2019354837B2 (en) 2018-10-04 2025-07-10 First Light Diagnostics, Inc. Test cartridges
CN119125527A (zh) * 2024-08-06 2024-12-13 重庆合荐商务信息咨询合伙企业(有限合伙) 磁流体分层微控免疫分析试剂和检测试剂盒及其应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833618A (en) * 1945-05-28 1958-05-06 Edward C Creutz Separating uranium containing solids suspended in a liquid
US3682305A (en) * 1970-02-20 1972-08-08 Joseph Buchler Decanting and filling apparatus
US3752758A (en) * 1971-07-15 1973-08-14 Hindi A El Method of separating solid from liquids
US3788812A (en) * 1971-08-30 1974-01-29 J Dupre Automatic saturation analysis
GB1416548A (en) * 1972-12-18 1975-12-03 Radiochemical Centre Ltd Method of comparing radioactive concentrations
US3815618A (en) * 1973-02-08 1974-06-11 Int Equipment Co Method and apparatus for producing a liquid concentration-volume gradient
US3928139A (en) * 1973-02-12 1975-12-23 Wadley Res Inst & Blood Bank Detection of microbial pathogens
US4033866A (en) * 1975-08-11 1977-07-05 Sigmund Johann Enzmann Method for separating foreign solid particles from a liquid

Also Published As

Publication number Publication date
US4125375A (en) 1978-11-14
DE2651686A1 (de) 1977-05-26
GB1566098A (en) 1980-04-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRITISH TECHNOLOGY GROUP LTD., LONDON, GB

8328 Change in the person/name/address of the agent

Free format text: KRAUS, W., DIPL.-CHEM. DR.RER.NAT. WEISERT, A., DIPL.-ING. DR.-ING., 80539 MUENCHEN SPIES, J., DIPL.-PHYS., PAT.-ANWAELTE, 81545 MUENCHEN