[go: up one dir, main page]

AU5373673A - Methods and apparatus for correcting coincidence count variations ina particle analyzer - Google Patents

Methods and apparatus for correcting coincidence count variations ina particle analyzer

Info

Publication number
AU5373673A
AU5373673A AU53736/73A AU5373673A AU5373673A AU 5373673 A AU5373673 A AU 5373673A AU 53736/73 A AU53736/73 A AU 53736/73A AU 5373673 A AU5373673 A AU 5373673A AU 5373673 A AU5373673 A AU 5373673A
Authority
AU
Australia
Prior art keywords
methods
particle analyzer
coincidence count
ina
count variations
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
AU53736/73A
Other versions
AU480234B2 (en
Inventor
Henri Bader
Wallace Henry Coulter
Walter Robert Hogg
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US05/292,421 external-priority patent/US3949197A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU5373673A publication Critical patent/AU5373673A/en
Publication of AU480234B2 publication Critical patent/AU480234B2/en
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
    • G01N15/131—Details
    • G01N15/132—Circuits
    • 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1425—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement
    • G01N15/1427—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement with the synchronisation of components, a time gate for operation of components, or suppression of particle coincidences
    • 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1429—Signal processing
    • 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
    • G01N2015/1029—Particle size
    • 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1493—Particle size

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)
  • Investigating Or Analysing Biological Materials (AREA)
AU53736/73A 1973-03-23 Methods and apparatus for correcting coincidence count variations ina particle analyzer Expired AU480234B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23807972A 1972-03-27 1972-03-27
US05/292,421 US3949197A (en) 1972-09-26 1972-09-26 Methods and apparatuses for correcting coincidence count errors in a particle analyzer having a sensing zone through which the particles flow

Publications (2)

Publication Number Publication Date
AU5373673A true AU5373673A (en) 1974-09-26
AU480234B2 AU480234B2 (en) 1974-09-26

Family

ID=

Also Published As

Publication number Publication date
FR2186135A5 (en) 1974-01-04
DE2314578A1 (en) 1973-10-11
GB1423021A (en) 1976-01-28
JPS499282A (en) 1974-01-26
AR204610A1 (en) 1976-02-20
DE2314578C2 (en) 1983-07-14
IL41855A (en) 1977-05-31
IT1032020B (en) 1979-05-30
NL7304071A (en) 1973-10-01
BE797228A (en) 1973-07-16
JPS5625611B2 (en) 1981-06-13
CH592303A5 (en) 1977-10-31
IL41855A0 (en) 1973-05-31
SE391583B (en) 1977-02-21

Similar Documents

Publication Publication Date Title
CA940192A (en) Apparatus and method for sorting particles
CA991882A (en) Method and apparatus for testing antibiotic susceptibility
CA1033305A (en) Upflow-downflow sorption process and apparatus
AU464971B2 (en) Deflashing apparatus and method
AU466595B2 (en) Method and apparatus for measuring area
AU470830B2 (en) Particle counting apparatus
CA983116A (en) Method and apparatus for particle length measurement
IL41855A0 (en) Methods and apparatus for correcting coincidence count inaccuracies in a particle analyzer
CA1015644A (en) Process and apparatus for microbiological analysis
AU471799B2 (en) Apparatus and method for transporting fluid-entrainable particles
AU480234B2 (en) Methods and apparatus for correcting coincidence count variations ina particle analyzer
CA1004548A (en) Apparatus and method for metering particles
CA909946A (en) Digitalized coincidence correction method and circuitry for particle analysis apparatus
CA902270A (en) Particle size apparatus and process for determining particle size
AU441146B2 (en) Digitalized coincidence correction method and circuitry for particle analysis apparatus
CA832759A (en) Method and apparatus for particle counting
ZA731289B (en) Methods and apparatus for correcting coincidence count inaccuracies in a particle analyzer
CA970428A (en) Method and apparatus for analyzing semiconductors
AU5657069A (en) Digitalized coincidence correction method and circuitry for particle analysis apparatus
CA827898A (en) Method and apparatus for projection
CA910106A (en) Apparatus and methods for photographic processing
CA903882A (en) Control method and apparatus for a particle analyzer
CA912174A (en) Analytical method and apparatus employing radioactive measurement
CA899651A (en) Method and apparatus for volume measurement
CA906647A (en) Apparatus and method for rate detection