DE69909470D1 - Teilchendetektorsystem - Google Patents

Teilchendetektorsystem

Info

Publication number
DE69909470D1
DE69909470D1 DE69909470T DE69909470T DE69909470D1 DE 69909470 D1 DE69909470 D1 DE 69909470D1 DE 69909470 T DE69909470 T DE 69909470T DE 69909470 T DE69909470 T DE 69909470T DE 69909470 D1 DE69909470 D1 DE 69909470D1
Authority
DE
Germany
Prior art keywords
orifice
impedance
particles
plate
divider
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 - Lifetime
Application number
DE69909470T
Other languages
English (en)
Inventor
Michael Anthony Wood
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.)
Microbial Systems Ltd
Original Assignee
Microbial Systems Ltd
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 by Microbial Systems Ltd filed Critical Microbial Systems Ltd
Application granted granted Critical
Publication of DE69909470D1 publication Critical patent/DE69909470D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N15/13—Details pertaining to apertures
    • 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
    • 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
    • G01N2015/138—Detecting blocking debris

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Lubricants (AREA)
DE69909470T 1998-05-16 1999-05-17 Teilchendetektorsystem Expired - Lifetime DE69909470D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9810493.8A GB9810493D0 (en) 1998-05-16 1998-05-16 Particle detector system
PCT/GB1999/001558 WO1999060378A1 (en) 1998-05-16 1999-05-17 Particle detector system

Publications (1)

Publication Number Publication Date
DE69909470D1 true DE69909470D1 (de) 2003-08-14

Family

ID=10832151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69909470T Expired - Lifetime DE69909470D1 (de) 1998-05-16 1999-05-17 Teilchendetektorsystem

Country Status (8)

Country Link
US (1) US6515492B1 (de)
EP (1) EP1080362B1 (de)
JP (1) JP4025017B2 (de)
AT (1) ATE244878T1 (de)
AU (1) AU3943599A (de)
DE (1) DE69909470D1 (de)
GB (2) GB9810493D0 (de)
WO (1) WO1999060378A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6716633B2 (en) * 2000-09-18 2004-04-06 Sysmex Corporation Blood cell detector, blood analyzer and blood analyzing method using the detector
DE10304653B4 (de) * 2003-02-05 2005-01-27 Evotec Technologies Gmbh Mehrparametrige Detektion in einem fluidischen Mikrosystem
CN101173887B (zh) * 2006-11-02 2011-04-06 深圳迈瑞生物医疗电子股份有限公司 鞘流阻抗法粒子分析仪
US7656146B2 (en) * 2006-11-02 2010-02-02 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Particle analyzer based on sheath flow impedance method
US7647811B2 (en) * 2006-12-21 2010-01-19 Horiba Ltd. Solid particle counting system with valve to allow reduction of pressure pulse at particle counter when vacuum pump is started
JP4998949B2 (ja) * 2007-11-20 2012-08-15 国立大学法人山口大学 コールター原理及び光散乱の同時測定による粒子分析装置及び方法
US8146407B2 (en) 2008-06-20 2012-04-03 Beckman Coulter, Inc. Particle counter with electronic detection of aperture blockage
CN105092454B (zh) * 2010-12-28 2018-05-01 深圳迈瑞生物医疗电子股份有限公司 计数器及流式细胞分析仪
KR101664552B1 (ko) * 2014-08-11 2016-10-10 엘지전자 주식회사 입자 검출장치
GB2567635B (en) * 2017-10-17 2022-09-28 Cellfacts Analytics Ltd A method and apparatus for monitoring microbial contaminants in an industrial process
KR102227812B1 (ko) * 2017-11-06 2021-03-15 주식회사 엘지화학 이차전지, 이차전지 디멘션 측정장치 및 이차전지 디멘션 측정방법
CN108663306B (zh) * 2018-07-27 2024-02-09 北京指真生物科技有限公司 一种流式细胞分析装置及补偿方法
JP2022516682A (ja) * 2018-10-18 2022-03-01 セルファクツ アナリティックス リミテッド 工業的処理における微生物汚染物質をモニタリングする方法及び装置
CN109557006B (zh) * 2018-11-23 2021-03-19 河北弘顺安全技术服务有限公司 一种适用于路灯的环境检测装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259891A (en) * 1964-05-01 1966-07-05 Coulter Electronics Debris alarm
US3910702A (en) * 1974-02-12 1975-10-07 Particle Technology Inc Apparatus for detecting particles employing apertured light emitting device
US4070617A (en) * 1974-05-08 1978-01-24 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Device for controlling the particle flow in an apparatus for measuring the properties of particles suspended in liquid
US3963984A (en) * 1974-11-04 1976-06-15 Coulter Electronics, Inc. Method and system for cleaning an aperture in a particle study device
DE2656654C3 (de) * 1976-12-14 1981-02-12 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaftense.V., 3400 Goettingen Vorrichtung zur Messung des Volumens und bestimmter optischer Eigenschaften von Partikeln
US4491786A (en) * 1978-09-13 1985-01-01 Coulter Electronics, Inc. Transducer for measuring particles suspended in a fluid
US4341993A (en) * 1980-08-25 1982-07-27 Coulter Electronics, Inc. Reflector optics with impedance sensing orifice
US4395676A (en) * 1980-11-24 1983-07-26 Coulter Electronics, Inc. Focused aperture module
US4673288A (en) 1981-05-15 1987-06-16 Ratcom, Inc. Flow cytometry
US4818103A (en) * 1981-05-15 1989-04-04 Ratcom Flow cytometry
US4760328A (en) * 1986-05-05 1988-07-26 Integrated Ionics, Inc. Particle counter having electrodes and circuitry mounted on the pane of the orifice
US4790653A (en) 1986-05-22 1988-12-13 Becton Dickinson And Company Housing for a flow cytometry apparatus with particle unclogging feature
DE3786657D1 (de) 1987-02-17 1993-08-26 Ratcom Inc Durchflusszytometrie.
US4850001A (en) * 1987-07-20 1989-07-18 Shell Oil Company Orifice blockage detection system
FR2621123B1 (fr) * 1987-09-30 1989-12-01 Commissariat Energie Atomique Procede de fabrication d'un dispositif d'analyse optique d'un flux de microparticules et application a la fabrication d'un cytofluorimetre
CA1324894C (en) 1989-03-31 1993-12-07 Maritime Scientific Services Ltd. Method and apparatus for the identification of particles
DE69432410T2 (de) 1993-05-14 2004-03-04 Coulter International Corp., Miami Retikulozyt bestimmungsverfahren und geraet, das lichtstreuungstechniken verwendet
JP3305181B2 (ja) 1995-12-19 2002-07-22 シスメックス株式会社 尿中有形成分分析装置
ATE408822T1 (de) * 1996-10-15 2008-10-15 Renner Herrmann Sa System und verfahren zur analyse von kennzeichnenden merkmalen einer flüssigkeit
GB9624096D0 (en) 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof

Also Published As

Publication number Publication date
AU3943599A (en) 1999-12-06
EP1080362A1 (de) 2001-03-07
US6515492B1 (en) 2003-02-04
GB9810493D0 (en) 1998-07-15
JP2002515600A (ja) 2002-05-28
GB2337583B (en) 2002-11-13
ATE244878T1 (de) 2003-07-15
WO1999060378A1 (en) 1999-11-25
GB2337583A (en) 1999-11-24
GB9911447D0 (en) 1999-07-14
JP4025017B2 (ja) 2007-12-19
EP1080362B1 (de) 2003-07-09

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