DE69920443D1 - Einrichtung zum teilchennachweis - Google Patents

Einrichtung zum teilchennachweis

Info

Publication number
DE69920443D1
DE69920443D1 DE69920443T DE69920443T DE69920443D1 DE 69920443 D1 DE69920443 D1 DE 69920443D1 DE 69920443 T DE69920443 T DE 69920443T DE 69920443 T DE69920443 T DE 69920443T DE 69920443 D1 DE69920443 D1 DE 69920443D1
Authority
DE
Germany
Prior art keywords
light
particle
particle detection
detection device
orifice
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
DE69920443T
Other languages
English (en)
Other versions
DE69920443T2 (de
Inventor
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.)
CELLFACTS INSTRUMENTS LTD., COVENTRY, GB
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
Publication of DE69920443D1 publication Critical patent/DE69920443D1/de
Application granted granted Critical
Publication of DE69920443T2 publication Critical patent/DE69920443T2/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
    • 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • 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]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE69920443T 1998-05-16 1999-05-17 Impedanz- und Fluoreszenz-Partikelerfassungssystem Expired - Lifetime DE69920443T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9810492.0A GB9810492D0 (en) 1998-05-16 1998-05-16 Particle detection system and components thereof
GB9810492 1998-05-16
PCT/GB1999/001562 WO1999060379A1 (en) 1998-05-16 1999-05-17 Particle detection system and components thereof

Publications (2)

Publication Number Publication Date
DE69920443D1 true DE69920443D1 (de) 2004-10-28
DE69920443T2 DE69920443T2 (de) 2005-10-13

Family

ID=10832150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920443T Expired - Lifetime DE69920443T2 (de) 1998-05-16 1999-05-17 Impedanz- und Fluoreszenz-Partikelerfassungssystem

Country Status (8)

Country Link
US (1) US6614215B1 (de)
EP (1) EP1080363B1 (de)
JP (1) JP2002515601A (de)
AT (1) ATE277344T1 (de)
AU (1) AU3943899A (de)
DE (1) DE69920443T2 (de)
GB (1) GB9810492D0 (de)
WO (1) WO1999060379A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001069202A2 (en) * 2000-03-16 2001-09-20 Ulrik Darling Larsen Sensor units for particle characterisation apparatus
WO2003104771A1 (en) * 2002-06-01 2003-12-18 Chempaq A/S Lysing reagent, cartridge and automatic electronic cell counter for simultaneous enumeration of different types of white blood cells
US7531363B2 (en) * 2003-12-30 2009-05-12 Honeywell International Inc. Particle detection using fluorescence
US7794663B2 (en) * 2004-02-19 2010-09-14 Axcelis Technologies, Inc. Method and system for detection of solid materials in a plasma using an electromagnetic circuit
CA2855108A1 (en) 2005-02-10 2006-08-17 Koninklijke Philips Electronics N.V. Dual sample cartridge and method for characterizing particles in liquid
EP1891413B1 (de) 2005-02-10 2018-01-24 Koninklijke Philips N.V. Doppelprobenkassette und verfahren zur charakterisierung von partikeln in flüssigkeit
DE112007002309T5 (de) * 2006-09-29 2009-07-30 Cyberoptics Semiconductor, Inc., Beaverton Substratähnlicher Teilchensensor
FR2939199B1 (fr) * 2008-12-02 2011-02-11 C2 Diagnostics Procede et dispositif de cytometrie en flux sans fluide de gainage
FR2979703B1 (fr) 2011-09-02 2014-01-24 Commissariat Energie Atomique Dispositif de mesure optique de materiaux, utilisant un multiplexage de la lumiere
FR2979689B1 (fr) * 2011-09-02 2014-09-12 Commissariat Energie Atomique Dispositif d'eclairage d'un objet, a source de lumiere munie d'un organe de prelevement d'une portion de la lumiere, application a la mesure des variations de flux de la source
GB2567635B (en) * 2017-10-17 2022-09-28 Cellfacts Analytics Ltd A method and apparatus for monitoring microbial contaminants in an industrial process
CA3116447A1 (en) * 2018-10-18 2020-04-23 Cellfacts Analytics Limited A method and apparatus for monitoring microbial contaminants in an industrial process

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4673288A (en) 1981-05-15 1987-06-16 Ratcom, Inc. Flow cytometry
US4818103A (en) 1981-05-15 1989-04-04 Ratcom Flow cytometry
EP0068404B1 (de) 1981-06-24 1985-10-02 Becton Dickinson and Company Analysator zur gleichzeitigen Bestimmung des Volumens und der Lichtemissionseigenschaften von Partikeln
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
GB8621426D0 (en) * 1986-09-05 1986-10-15 Health Lab Service Board Particle analysis
ATE91789T1 (de) 1987-02-17 1993-08-15 Ratcom Inc Durchflusszytometrie.
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
US5013150A (en) * 1988-04-01 1991-05-07 Syntex (U.S.A.) Inc. Method for detection of fluorescence or light scatter
CA1324894C (en) * 1989-03-31 1993-12-07 Maritime Scientific Services Ltd. Method and apparatus for the identification of particles
GB8920571D0 (en) * 1989-09-12 1989-10-25 Carr Robert J G Examination of objects of macromolecular size
JP2815435B2 (ja) * 1989-12-22 1998-10-27 株式会社日立製作所 粒子解析装置及び血球カウンタ
DE4011391C1 (de) 1990-04-07 1996-05-30 Daimler Benz Aerospace Ag Einrichtung fuer einen Abstandszuender
JPH0738839Y2 (ja) * 1990-05-15 1995-09-06 オムロン株式会社 流れ式粒子分析装置
USRE36074E (en) * 1990-11-30 1999-02-02 Toa Medical Electronics Co., Ltd. Particle detector and particle detecting apparatus having the detector
US6320656B1 (en) * 2000-02-18 2001-11-20 Idexx Laboratories, Inc. High numerical aperture flow cytometer and method of using same

Also Published As

Publication number Publication date
JP2002515601A (ja) 2002-05-28
ATE277344T1 (de) 2004-10-15
EP1080363A1 (de) 2001-03-07
AU3943899A (en) 1999-12-06
DE69920443T2 (de) 2005-10-13
WO1999060379A1 (en) 1999-11-25
GB9810492D0 (en) 1998-07-15
EP1080363B1 (de) 2004-09-22
US6614215B1 (en) 2003-09-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CELLFACTS INSTRUMENTS LTD., COVENTRY, GB