JPS5061269A - - Google Patents

Info

Publication number
JPS5061269A
JPS5061269A JP49108332A JP10833274A JPS5061269A JP S5061269 A JPS5061269 A JP S5061269A JP 49108332 A JP49108332 A JP 49108332A JP 10833274 A JP10833274 A JP 10833274A JP S5061269 A JPS5061269 A JP S5061269A
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.)
Granted
Application number
JP49108332A
Other languages
Japanese (ja)
Other versions
JPS5522734B2 (enrdf_load_stackoverflow
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 (enrdf_load_stackoverflow)

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 true JPS5061269A (enrdf_load_stackoverflow) 1975-05-26
JPS5522734B2 JPS5522734B2 (enrdf_load_stackoverflow) 1980-06-18

Family

ID=23585797

Family Applications (1)

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

Country Status (8)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143431A (en) * 1979-04-26 1980-11-08 Toa Medical Electronics Co Ltd Detector for corpuscle
JPS56103348A (en) * 1980-01-22 1981-08-18 Toa Medical Electronics Co Ltd Particle detector
JPS56107541U (enrdf_load_stackoverflow) * 1980-01-21 1981-08-21

Families Citing this family (26)

* 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
IL53921A (en) * 1977-02-15 1979-12-30 Coulter Electronics Electronic particle sensing aperture module with perforated electrode
US4090128A (en) * 1977-02-15 1978-05-16 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
US4157498A (en) * 1977-08-01 1979-06-05 Miles Laboratories, Inc. Flow-through type particle analyzing apparatus
US4434398A (en) 1978-05-18 1984-02-28 Particle Data, Inc. Porous passage means and method for particle analyzing systems
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
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
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
WO1995017659A1 (en) * 1993-12-23 1995-06-29 Abbott Laboratories Method of making a stress relieved count probe
US5895869A (en) * 1995-11-17 1999-04-20 Mwi, Inc. Method and apparatus for analyzing particulate matter
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
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
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
WO2001011338A1 (en) * 1999-08-06 2001-02-15 Ulrik Darling Larsen Particle characterisation apparatus
CA2489176C (en) * 2002-06-11 2013-10-15 Chempaq A/S Lysing reagent, cartridge and automatic electronic cell counter for simultaneous enumeration of different types of white blood cells
CA2597496A1 (en) 2005-02-10 2006-08-17 Chempaq A/S Dual sample cartridge and method for characterizing particles 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143431A (en) * 1979-04-26 1980-11-08 Toa Medical Electronics Co Ltd Detector for corpuscle
JPS56107541U (enrdf_load_stackoverflow) * 1980-01-21 1981-08-21
JPS56103348A (en) * 1980-01-22 1981-08-18 Toa Medical Electronics Co Ltd Particle detector

Also Published As

Publication number Publication date
FR2244989A1 (enrdf_load_stackoverflow) 1975-04-18
SE7411921L (sv) 1975-03-27
US3902115A (en) 1975-08-26
DE2445411C2 (de) 1984-08-09
FR2244989B1 (enrdf_load_stackoverflow) 1976-10-22
CA1007704A (en) 1977-03-29
GB1479901A (en) 1977-07-13
NL7412562A (nl) 1975-04-01
SE409246B (sv) 1979-08-06
JPS5522734B2 (enrdf_load_stackoverflow) 1980-06-18
DE2445411A1 (de) 1975-05-07

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