GB1588170A - Apparatus for and method of measuring particle concentration - Google Patents

Apparatus for and method of measuring particle concentration Download PDF

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Publication number
GB1588170A
GB1588170A GB43729/77A GB4372977A GB1588170A GB 1588170 A GB1588170 A GB 1588170A GB 43729/77 A GB43729/77 A GB 43729/77A GB 4372977 A GB4372977 A GB 4372977A GB 1588170 A GB1588170 A GB 1588170A
Authority
GB
United Kingdom
Prior art keywords
type
particle
pulse
particles
signal
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
GB43729/77A
Other languages
English (en)
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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 US05/832,893 external-priority patent/US4110604A/en
Application filed by Becton Dickinson and Co filed Critical Becton Dickinson and Co
Publication of GB1588170A publication Critical patent/GB1588170A/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
    • 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
    • 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
    • G01N2015/012—Red 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
    • G01N2015/018—Platelets
    • 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
    • G01N2015/1019—Associating Coulter-counter and optical flow cytometer [OFC]
    • 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

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)
GB43729/77A 1976-11-04 1977-10-20 Apparatus for and method of measuring particle concentration Expired GB1588170A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73889676A 1976-11-04 1976-11-04
US05/832,893 US4110604A (en) 1976-11-04 1977-09-13 Particle density measuring system

Publications (1)

Publication Number Publication Date
GB1588170A true GB1588170A (en) 1981-04-15

Family

ID=27113441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43729/77A Expired GB1588170A (en) 1976-11-04 1977-10-20 Apparatus for and method of measuring particle concentration

Country Status (7)

Country Link
JP (1) JPS5377584A (enrdf_load_stackoverflow)
AU (1) AU504450B2 (enrdf_load_stackoverflow)
CA (1) CA1091350A (enrdf_load_stackoverflow)
DE (1) DE2748923C2 (enrdf_load_stackoverflow)
FR (1) FR2370276A1 (enrdf_load_stackoverflow)
GB (1) GB1588170A (enrdf_load_stackoverflow)
IT (1) IT1087196B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128279A1 (de) * 2006-05-05 2007-11-15 Parsum Gmbh Verfahren und vorrichtung zur bestimmung der in einem partikelstrom enthaltenen partikel
CN112557281A (zh) * 2020-11-23 2021-03-26 深圳市科曼医疗设备有限公司 血液细胞分析仪的plt粒子检测方法和装置
CN117074276A (zh) * 2023-08-21 2023-11-17 路美新创(苏州)生物科技有限公司 用于尘埃粒子计数器的校准系统和方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447883A (en) * 1981-05-26 1984-05-08 Technicon Instruments Corporation Coincidence-error correcting apparatus and method
DE3227664A1 (de) * 1982-07-23 1984-02-02 Vladimir Vasil'evič Saratov Pavlov Einrichtung zur messung der menge und groesse fester teilchen in fluessigen und gasmedien
GB8410500D0 (en) * 1984-04-25 1984-05-31 Orbec Ltd Monitoring particles in liquids
JPH0736269Y2 (ja) * 1985-07-26 1995-08-16 日本光電工業株式会社 液体中の粒子計測装置
EP0529666B1 (en) * 1991-08-30 2000-04-12 Omron Corporation Cell analyzing apparatus
US5488469A (en) * 1991-08-30 1996-01-30 Omron Corporation Cell analyzing apparatus
US8023592B2 (en) * 2005-08-24 2011-09-20 Beckman Coulter, Inc. Method and apparatus for finding center amplitude of particle size-representative pulses produced by aperture based sizing system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118510B (de) * 1958-11-25 1961-11-30 Boskamp Geraete Bau K G Elektrisches Registriergeraet zur quantitativen Auswertung des Differential-Blutbildes
US3810011A (en) * 1970-05-25 1974-05-07 Coulter Electronics Apparatus and method for analyzing the particle volume distribution for a plurality of particles of different size in a quantity of liquid
DE2134937C2 (de) * 1971-07-13 1982-08-05 Bio-Physics Systems, Inc., Baldwin Place, N.Y. Verfahren und Vorrichtung zum Erfassen von in einer Flüssigkeit suspendierten Teilchen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128279A1 (de) * 2006-05-05 2007-11-15 Parsum Gmbh Verfahren und vorrichtung zur bestimmung der in einem partikelstrom enthaltenen partikel
US8345236B2 (en) 2006-05-05 2013-01-01 Parsum Gmbh Method and apparatus for determining the particles contained in a particle stream
CN112557281A (zh) * 2020-11-23 2021-03-26 深圳市科曼医疗设备有限公司 血液细胞分析仪的plt粒子检测方法和装置
CN117074276A (zh) * 2023-08-21 2023-11-17 路美新创(苏州)生物科技有限公司 用于尘埃粒子计数器的校准系统和方法

Also Published As

Publication number Publication date
AU504450B2 (en) 1979-10-11
IT1087196B (it) 1985-05-31
FR2370276B1 (enrdf_load_stackoverflow) 1981-12-04
DE2748923C2 (de) 1982-05-13
CA1091350A (en) 1980-12-09
AU3007877A (en) 1979-06-07
JPS5377584A (en) 1978-07-10
FR2370276A1 (fr) 1978-06-02
JPS627966B2 (enrdf_load_stackoverflow) 1987-02-20
DE2748923A1 (de) 1978-05-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961020