JPS5522734B2 - - Google Patents

Info

Publication number
JPS5522734B2
JPS5522734B2 JP10833274A JP10833274A JPS5522734B2 JP S5522734 B2 JPS5522734 B2 JP S5522734B2 JP 10833274 A JP10833274 A JP 10833274A JP 10833274 A JP10833274 A JP 10833274A JP S5522734 B2 JPS5522734 B2 JP S5522734B2
Authority
JP
Japan
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
JP10833274A
Other versions
JPS5061269A (ja
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 filed Critical
Publication of JPS5061269A publication Critical patent/JPS5061269A/ja
Publication of JPS5522734B2 publication Critical patent/JPS5522734B2/ja
Expired 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
    • 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
    • G01N15/13—Details pertaining to apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
JP10833274A 1973-09-26 1974-09-21 Expired JPS5522734B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US400986A US3902115A (en) 1973-09-26 1973-09-26 Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor

Publications (2)

Publication Number Publication Date
JPS5061269A JPS5061269A (ja) 1975-05-26
JPS5522734B2 true JPS5522734B2 (ja) 1980-06-18

Family

ID=23585797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10833274A Expired JPS5522734B2 (ja) 1973-09-26 1974-09-21

Country Status (8)

Country Link
US (1) US3902115A (ja)
JP (1) JPS5522734B2 (ja)
CA (1) CA1007704A (ja)
DE (1) DE2445411C2 (ja)
FR (1) FR2244989B1 (ja)
GB (1) GB1479901A (ja)
NL (1) NL7412562A (ja)
SE (1) SE409246B (ja)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979669A (en) * 1973-09-26 1976-09-07 Coulter Electronics, Inc. Particle analyzing system
US4014611A (en) * 1975-04-30 1977-03-29 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
US4103229A (en) * 1977-01-28 1978-07-25 The University Of Virginia Continuous-flow, resistive-particle counting apparatus
US4090128A (en) * 1977-02-15 1978-05-16 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
SE7801123L (sv) * 1977-02-15 1978-02-13 Coulter Electronics Elektronisk partikelavkenningsoppningsmodul med perforerade elektroder
US4157498A (en) * 1977-08-01 1979-06-05 Miles Laboratories, Inc. Flow-through type particle analyzing apparatus
US4290011A (en) * 1978-05-18 1981-09-15 Particle Data, Inc. Particle length and volume comeasurement with controlled orientation
US4491786A (en) * 1978-09-13 1985-01-01 Coulter Electronics, Inc. Transducer for measuring particles suspended in a fluid
JPS55143431A (en) * 1979-04-26 1980-11-08 Toa Medical Electronics Co Ltd Detector for corpuscle
JPH0129567Y2 (ja) * 1980-01-21 1989-09-08
JPS56103348A (en) * 1980-01-22 1981-08-18 Toa Medical Electronics Co Ltd Particle detector
US4361803A (en) * 1980-08-26 1982-11-30 Coulter Electronics, Inc. Apparatus for recirculating sweep flow electrolyte without a pump
DE3437519A1 (de) * 1983-10-14 1985-04-25 Sequoia Turner Corp Verfahren und vorrichtung zum analysieren von teilchenfoermigem material
US4710021A (en) * 1983-10-14 1987-12-01 Sequoia-Turner Corporation Particulate matter analyzing apparatus and method
JPH0622203Y2 (ja) * 1989-01-26 1994-06-08 東亜医用電子株式会社 試料測定装置
US5094818A (en) * 1989-05-04 1992-03-10 Exact Science, Inc. Self-filling anti-siphon flow system for particle analysis
AU1258595A (en) * 1993-12-23 1995-07-10 Abbott Laboratories Method of making a stress relieved count probe
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
US5895869A (en) * 1995-11-17 1999-04-20 Mwi, Inc. Method and apparatus for analyzing particulate matter
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
US6259242B1 (en) 1999-05-26 2001-07-10 Coulter International Corp. Apparatus incorporating a sensing conduit in conductive material and method of use thereof for sensing and characterizing particles
ATE415620T1 (de) 1999-08-06 2008-12-15 Chempaq As Teilchenbestimmungsvorrichtung
US8227250B2 (en) * 2002-06-11 2012-07-24 Koninklijke Philips Electronics N.V. Lysing reagent, cartridge and automatic electronic cell counter for simultaneous enumeration of different types of white blood cells
EP1891413B1 (en) 2005-02-10 2018-01-24 Koninklijke Philips N.V. Dual sample cartridge and method for characterizing particle in liquid
US8028566B2 (en) * 2005-02-10 2011-10-04 Chempaq A/S Dual sample cartridge and method for characterizing particles in liquid
DE102009024561A1 (de) * 2009-06-08 2010-12-16 Hydac Filter Systems Gmbh Verfahren und Vorrichtung zum Erfassen von Verunreinigungen in einem Fluid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340471A (en) * 1966-08-22 1967-09-05 Coulter Electronics Flow-through sample apparatus for use with electrical particle study device
US3746976A (en) * 1971-04-07 1973-07-17 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus

Also Published As

Publication number Publication date
CA1007704A (en) 1977-03-29
US3902115A (en) 1975-08-26
DE2445411A1 (de) 1975-05-07
FR2244989A1 (ja) 1975-04-18
FR2244989B1 (ja) 1976-10-22
GB1479901A (en) 1977-07-13
SE409246B (sv) 1979-08-06
SE7411921L (sv) 1975-03-27
NL7412562A (nl) 1975-04-01
JPS5061269A (ja) 1975-05-26
DE2445411C2 (de) 1984-08-09

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