DE3775614D1 - Teilchenzaehler und verfahren zu dessen herstellung. - Google Patents

Teilchenzaehler und verfahren zu dessen herstellung.

Info

Publication number
DE3775614D1
DE3775614D1 DE8787303930T DE3775614T DE3775614D1 DE 3775614 D1 DE3775614 D1 DE 3775614D1 DE 8787303930 T DE8787303930 T DE 8787303930T DE 3775614 T DE3775614 T DE 3775614T DE 3775614 D1 DE3775614 D1 DE 3775614D1
Authority
DE
Germany
Prior art keywords
production
particle counter
counter
particle
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
DE8787303930T
Other languages
English (en)
Inventor
Michael Robert Groves
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.)
Integrated Ionics Inc
Original Assignee
Integrated Ionics Inc
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 Integrated Ionics Inc filed Critical Integrated Ionics Inc
Application granted granted Critical
Publication of DE3775614D1 publication Critical patent/DE3775614D1/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Saccharide Compounds (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
DE8787303930T 1986-05-05 1987-05-01 Teilchenzaehler und verfahren zu dessen herstellung. Expired - Lifetime DE3775614D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/859,294 US4760328A (en) 1986-05-05 1986-05-05 Particle counter having electrodes and circuitry mounted on the pane of the orifice

Publications (1)

Publication Number Publication Date
DE3775614D1 true DE3775614D1 (de) 1992-02-13

Family

ID=25330522

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303930T Expired - Lifetime DE3775614D1 (de) 1986-05-05 1987-05-01 Teilchenzaehler und verfahren zu dessen herstellung.

Country Status (5)

Country Link
US (1) US4760328A (de)
EP (1) EP0246011B1 (de)
JP (1) JPS6326552A (de)
CA (1) CA1294152C (de)
DE (1) DE3775614D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610292Y2 (ja) * 1987-12-24 1994-03-16 東亜医用電子株式会社 粒子検出器
JPH0622203Y2 (ja) * 1989-01-26 1994-06-08 東亜医用電子株式会社 試料測定装置
GB8920571D0 (en) * 1989-09-12 1989-10-25 Carr Robert J G Examination of objects of macromolecular size
WO1995017659A1 (en) * 1993-12-23 1995-06-29 Abbott Laboratories Method of making a stress relieved count probe
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
JPH07301595A (ja) * 1994-05-09 1995-11-14 Toa Medical Electronics Co Ltd 粒子測定装置およびその粒子測定方法
GB9526652D0 (en) * 1995-12-29 1996-02-28 Shine Thomas A Electrode assembly
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
US5907240A (en) * 1997-05-12 1999-05-25 Cdc Technologies, Inc. Method and apparatus for cell differentiation by measuring apparent cell size, membrane integrity and intracellular complexity
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
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
GB9810493D0 (en) * 1998-05-16 1998-07-15 Microbial Systems Ltd Particle detector system
GB9810492D0 (en) * 1998-05-16 1998-07-15 Microbial Systems Ltd Particle detection system and components thereof
ATE415620T1 (de) * 1999-08-06 2008-12-15 Chempaq As Teilchenbestimmungsvorrichtung
CA2489099C (en) * 2002-06-11 2012-12-18 Chempaq A/S A disposable cartridge for characterizing particles suspended in a liquid
US7959780B2 (en) 2004-07-26 2011-06-14 Emporia Capital Funding Llc Textured ion exchange membranes
US8028566B2 (en) * 2005-02-10 2011-10-04 Chempaq A/S Dual sample cartridge and method for characterizing particles in liquid
JP5096170B2 (ja) 2005-02-10 2012-12-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デュアルサンプルカートリッジ及び液体中の粒子を特徴付ける方法
US7780833B2 (en) 2005-07-26 2010-08-24 John Hawkins Electrochemical ion exchange with textured membranes and cartridge
CN101316794B (zh) 2005-10-06 2016-01-06 派克逖克斯公司 流体的电化学离子交换处理
US7397232B2 (en) * 2005-10-21 2008-07-08 The University Of Akron Coulter counter having a plurality of channels
CN101165485B (zh) * 2006-10-18 2012-09-19 深圳迈瑞生物医疗电子股份有限公司 一种血液细胞检测的装置及其微孔传感器组件
US9423336B2 (en) 2013-01-24 2016-08-23 Beckman Coulter, Inc. Systems and methods for particle sensing and characterization
GB201312035D0 (en) * 2013-07-04 2013-08-21 Cytomos Ltd Biological sensing apparatus
EP3957740A4 (de) * 2019-04-18 2023-08-23 Shenzhen Aier Biotechnology Co., Ltd. Verfahren zur messung der bakteriellen hemmung eines antibakteriellen arzneimittels sowie vorrichtung und verfahren zur bakterienzählung dafür

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238452A (en) * 1961-10-18 1966-03-01 Union Oil Co Apparatus and method for detecting contaminants in a fluid
US3502973A (en) * 1966-05-23 1970-03-24 Coulter Electronics Collating apparatus for pairs of electrical pulses produced by particle analyzing apparatus
BE758383A (nl) * 1969-11-06 1971-04-16 Coulter Electronics Aftastelement en doorboord plaatje voor het electronisch tellenen sorteren van deeltjes
US3771058A (en) * 1971-04-05 1973-11-06 Coulter Electronics Scanner element for coulter particle apparatus
BE793185A (fr) * 1971-12-23 1973-04-16 Atomic Energy Commission Appareil pour analyser et trier rapidement des particules telles que des cellules biologiques
US3783376A (en) * 1972-06-21 1974-01-01 Becton Dickinson Co Particle counter having removable aperture slide
JPS567312B2 (de) * 1973-06-30 1981-02-17
JPS5552275A (en) * 1978-10-11 1980-04-16 Nec Corp Junction field effect transistor
US4298836A (en) * 1979-11-23 1981-11-03 Coulter Electronics, Inc. Particle shape determination
DE2948660A1 (de) * 1979-12-04 1981-06-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Influenzsondenanordnung und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
CA1294152C (en) 1992-01-14
EP0246011A2 (de) 1987-11-19
EP0246011A3 (en) 1988-07-13
EP0246011B1 (de) 1992-01-02
US4760328A (en) 1988-07-26
JPS6326552A (ja) 1988-02-04

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