IL41855A - Methods and apparatuses for correcting coincidence count inaccuracies in a particle analyzer - Google Patents

Methods and apparatuses for correcting coincidence count inaccuracies in a particle analyzer

Info

Publication number: IL41855A
Authority: IL; Israel
Prior art keywords: pulse; train; sensing zone; particle; count
Prior art date: 1972-03-27

Application number

IL41855A

Other languages

English (en)

Other versions

IL41855A0 (en

Original Assignee

Coulter W

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.)

1972-03-27

Filing date

1973-03-23

Publication date

1977-05-31

1972-09-26 Priority claimed from US05/292,421 external-priority patent/US3949197A/en

1973-03-23 Application filed by Coulter W filed Critical Coulter W

1973-05-31 Publication of IL41855A0 publication Critical patent/IL41855A0/xx

1977-05-31 Publication of IL41855A publication Critical patent/IL41855A/en

Links

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238000000034 method Methods 0.000 title claims description 52
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238000010790 dilution Methods 0.000 claims description 31
238000012937 correction Methods 0.000 claims description 22
238000012360 testing method Methods 0.000 claims description 14
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238000009826 distribution Methods 0.000 claims description 11
230000003111 delayed effect Effects 0.000 claims description 7
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239000000725 suspension Substances 0.000 description 10
238000004458 analytical method Methods 0.000 description 6
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238000006467 substitution reaction Methods 0.000 description 6
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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)

IL41855A 1972-03-27 1973-03-23 Methods and apparatuses for correcting coincidence count inaccuracies in a particle analyzer IL41855A (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
IL41855A0 IL41855A0 (en)	1973-05-31
IL41855A true IL41855A (en)	1977-05-31

Family

ID=26931325

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL41855A IL41855A (en)	1972-03-27	1973-03-23	Methods and apparatuses for correcting coincidence count inaccuracies in a particle analyzer

Country Status (11)

Country	Link
JP (1)	JPS5625611B2 (2)
AR (1)	AR204610A1 (2)
BE (1)	BE797228A (2)
CH (1)	CH592303A5 (2)
DE (1)	DE2314578C2 (2)
FR (1)	FR2186135A5 (2)
GB (1)	GB1423021A (2)
IL (1)	IL41855A (2)
IT (1)	IT1032020B (2)
NL (1)	NL7304071A (2)
SE (1)	SE391583B (2)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2630780A1 (de) *	1975-07-09	1977-01-27	Coulter Electronics	Korrektureinrichtung fuer koinzidenzfehler in teilchenuntersuchungsgeraeten
JPS5338101A (en) *	1976-09-20	1978-04-07	Shimizu Construction Co Ltd	Method of excavating inside of steel pipe pile
JPS5918511B2 (ja) *	1981-04-13	1984-04-27	三井不動産建設株式会社	共振を利用した切削方法
US6744245B2 (en) *	2001-07-27	2004-06-01	Coulter International Corp.	Particle count correction method and apparatus
CN114486689B (zh) *	2022-04-15	2022-07-05	南京颐兰贝生物科技有限责任公司	一种血细胞脉冲计数误差校正方法及校正装置

1973
- 1973-01-01 AR AR247202A patent/AR204610A1/es active
- 1973-03-23 IL IL41855A patent/IL41855A/en unknown
- 1973-03-23 DE DE2314578A patent/DE2314578C2/de not_active Expired
- 1973-03-23 GB GB1424273A patent/GB1423021A/en not_active Expired
- 1973-03-23 CH CH423873A patent/CH592303A5/xx not_active IP Right Cessation
- 1973-03-23 NL NL7304071A patent/NL7304071A/xx not_active Application Discontinuation
- 1973-03-23 SE SE7304123A patent/SE391583B/xx unknown
- 1973-03-23 JP JP3341173A patent/JPS5625611B2/ja not_active Expired
- 1973-03-23 BE BE797228A patent/BE797228A/xx unknown
- 1973-03-23 FR FR7310505A patent/FR2186135A5/fr not_active Expired
- 1973-03-23 IT IT43995/73A patent/IT1032020B/it active

Also Published As

Publication number	Publication date
JPS499282A (2)	1974-01-26
CH592303A5 (2)	1977-10-31
NL7304071A (2)	1973-10-01
AU5373673A (en)	1974-09-26
BE797228A (fr)	1973-07-16
FR2186135A5 (2)	1974-01-04
JPS5625611B2 (2)	1981-06-13
AR204610A1 (es)	1976-02-20
GB1423021A (en)	1976-01-28
IL41855A0 (en)	1973-05-31
DE2314578C2 (de)	1983-07-14
SE391583B (sv)	1977-02-21
DE2314578A1 (de)	1973-10-11
IT1032020B (it)	1979-05-30

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