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DE68928085D1 - Verfahren zur auslese bestimmter zellen oder zellgebilden anhand von populationen mit ausgewählten merkmalen - Google Patents

Verfahren zur auslese bestimmter zellen oder zellgebilden anhand von populationen mit ausgewählten merkmalen

Info

Publication number
DE68928085D1
DE68928085D1 DE68928085T DE68928085T DE68928085D1 DE 68928085 D1 DE68928085 D1 DE 68928085D1 DE 68928085 T DE68928085 T DE 68928085T DE 68928085 T DE68928085 T DE 68928085T DE 68928085 D1 DE68928085 D1 DE 68928085D1
Authority
DE
Germany
Prior art keywords
cells
microspheres
cell population
blood cell
white blood
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 - Fee Related
Application number
DE68928085T
Other languages
English (en)
Other versions
DE68928085T2 (de
Inventor
Kenneth Kortright
Wallace Coulter
Carlos Rodriguez
Thomas Russell
Ronald Paul
Constance Mary Hajek
James Carey Hudson
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.)
Beckman Coulter Inc
Original Assignee
Coulter Corp
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 Coulter Corp filed Critical Coulter Corp
Publication of DE68928085D1 publication Critical patent/DE68928085D1/de
Application granted granted Critical
Publication of DE68928085T2 publication Critical patent/DE68928085T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56966—Animal cells
    • G01N33/56972—White blood cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
    • G01N2015/016—White blood cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1024—Counting particles by non-optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1028—Sorting particles

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Cell Biology (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
DE68928085T 1988-12-16 1989-12-13 Verfahren zur auslese bestimmter zellen oder zellgebilden anhand von populationen mit ausgewählten merkmalen Expired - Fee Related DE68928085T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28585688A 1988-12-16 1988-12-16
PCT/US1989/005548 WO1990007259A2 (en) 1988-12-16 1989-12-13 Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics

Publications (2)

Publication Number Publication Date
DE68928085D1 true DE68928085D1 (de) 1997-07-03
DE68928085T2 DE68928085T2 (de) 1998-01-15

Family

ID=23095999

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928085T Expired - Fee Related DE68928085T2 (de) 1988-12-16 1989-12-13 Verfahren zur auslese bestimmter zellen oder zellgebilden anhand von populationen mit ausgewählten merkmalen

Country Status (9)

Country Link
EP (1) EP0472522B1 (de)
JP (1) JP2795746B2 (de)
CN (1) CN1034242C (de)
AT (1) ATE153758T1 (de)
AU (1) AU655154B2 (de)
BR (1) BR8907826A (de)
CA (1) CA1339840C (de)
DE (1) DE68928085T2 (de)
WO (1) WO1990007259A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385822A (en) * 1988-05-02 1995-01-31 Zynaxis, Inc. Methods for detection and quantification of cell subsets within subpopulations of a mixed cell population
CA1333047C (en) * 1989-04-14 1994-11-15 Thomas Russell Method and apparatus for obtaining at least one white blood cell population analysis
IL100124A (en) * 1990-11-23 1995-12-31 Coulter Corp Method and apparatus for optically screening microscopic cells
US5374396A (en) * 1992-05-05 1994-12-20 Tsi Incorporated Syringe injection system for measuring non-volatile residue in solvents
US5351523A (en) * 1993-01-21 1994-10-04 Tsi Incorporated Apparatus and process for determining filter efficiency in removing colloidal suspensions
BRPI0915582A2 (pt) * 2008-06-06 2016-01-26 Baylor Res Inst anticorpos anto-cd8 que bloqueiam a sensibilização de efetores citotóxicos e levam à geração de células t cd8+ reguladoras
EP2259045A1 (de) * 2009-06-05 2010-12-08 Koninklijke Philips Electronics N.V. Multifrequenz-Impedanzverfahren und Vorrichtung zur Unterscheidung und Zählung von Partikeln, die einen spezifischen Marker exprimieren
EP2259044A1 (de) * 2009-06-05 2010-12-08 Koninklijke Philips Electronics N.V. Multifrequenz-Impedanzverfahren und Vorrichtung zur Unterscheidung und Zählung von Partikeln, die einen spezifischen Marker exprimieren

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925018A (en) * 1973-06-08 1975-12-09 Technicon Instr Method and apparatus for quantitative analysis utilizing particulate reagent material
US3970518A (en) * 1975-07-01 1976-07-20 General Electric Company Magnetic separation of biological particles
GB1575805A (en) * 1976-03-12 1980-10-01 Technicon Instr Automatic diagnostic apparatus
US4206094A (en) * 1976-06-09 1980-06-03 California Institute Of Technology Method for producing a biological reagent
US4219335A (en) * 1978-09-18 1980-08-26 E. I. Du Pont De Nemours And Company Immunochemical testing using tagged reagents
US4219411A (en) * 1978-09-18 1980-08-26 California Institute Of Technology Cell sorting apparatus
US4284412A (en) * 1979-07-13 1981-08-18 Ortho Diagnostics, Inc. Method and apparatus for automated identification and enumeration of specified blood cell subclasses
US4452773A (en) * 1982-04-05 1984-06-05 Canadian Patents And Development Limited Magnetic iron-dextran microspheres
US4499052A (en) * 1982-08-30 1985-02-12 Becton, Dickinson And Company Apparatus for distinguishing multiple subpopulations of cells
US4599307A (en) * 1983-07-18 1986-07-08 Becton, Dickinson And Company Method for elimination of selected cell populations in analytic cytology
US4727020A (en) * 1985-02-25 1988-02-23 Becton, Dickinson And Company Method for analysis of subpopulations of blood cells
JPS61225656A (ja) * 1985-03-29 1986-10-07 Toshiba Corp 検体検査装置
CA1311404C (en) * 1987-03-13 1992-12-15 Kenneth H. Kortright Automated analyzer and method for screening cells or formed bodies for enumeration of populations expressing selected characteristics

Also Published As

Publication number Publication date
CN1034242C (zh) 1997-03-12
JPH04503405A (ja) 1992-06-18
WO1990007259A3 (en) 1990-11-01
AU4821890A (en) 1990-08-01
AU655154B2 (en) 1994-12-08
JP2795746B2 (ja) 1998-09-10
CA1339840C (en) 1998-04-28
EP0472522B1 (de) 1997-05-28
EP0472522A1 (de) 1992-03-04
ATE153758T1 (de) 1997-06-15
BR8907826A (pt) 1991-10-22
DE68928085T2 (de) 1998-01-15
CN1043566A (zh) 1990-07-04
EP0472522A4 (en) 1992-08-05
WO1990007259A2 (en) 1990-07-12

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DE68928085D1 (de) Verfahren zur auslese bestimmter zellen oder zellgebilden anhand von populationen mit ausgewählten merkmalen
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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: COULTER INTERNATIONAL CORP., MIAMI, FLA., US

8339 Ceased/non-payment of the annual fee