GB2380792B - Particle detection system and components thereof - Google Patents

Particle detection system and components thereof

Info

Publication number
GB2380792B
GB2380792B GB0227050A GB0227050A GB2380792B GB 2380792 B GB2380792 B GB 2380792B GB 0227050 A GB0227050 A GB 0227050A GB 0227050 A GB0227050 A GB 0227050A GB 2380792 B GB2380792 B GB 2380792B
Authority
GB
United Kingdom
Prior art keywords
components
detection system
particle detection
particle
detection
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 - Fee Related
Application number
GB0227050A
Other versions
GB0227050D0 (en
GB2380792A (en
Inventor
Michael A 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
Priority claimed from GBGB9810492.0A external-priority patent/GB9810492D0/en
Application filed by Microbial Systems Ltd filed Critical Microbial Systems Ltd
Publication of GB0227050D0 publication Critical patent/GB0227050D0/en
Publication of GB2380792A publication Critical patent/GB2380792A/en
Application granted granted Critical
Publication of GB2380792B publication Critical patent/GB2380792B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • 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, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Measuring Cells (AREA)
GB0227050A 1998-05-16 1999-05-17 Particle detection system and components thereof Expired - Fee Related GB2380792B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9810492.0A GB9810492D0 (en) 1998-05-16 1998-05-16 Particle detection system and components thereof
GB9911450A GB2337584B (en) 1998-05-16 1999-05-17 Particle detection system and components thereof

Publications (3)

Publication Number Publication Date
GB0227050D0 GB0227050D0 (en) 2002-12-24
GB2380792A GB2380792A (en) 2003-04-16
GB2380792B true GB2380792B (en) 2003-07-23

Family

ID=26313690

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9911450A Expired - Fee Related GB2337584B (en) 1998-05-16 1999-05-17 Particle detection system and components thereof
GB0227050A Expired - Fee Related GB2380792B (en) 1998-05-16 1999-05-17 Particle detection system and components thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9911450A Expired - Fee Related GB2337584B (en) 1998-05-16 1999-05-17 Particle detection system and components thereof

Country Status (1)

Country Link
GB (2) GB2337584B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9917240D0 (en) * 1999-07-23 1999-09-22 Eauxsys Uk Limited Method and means for particle measurement
EP3867623A1 (en) 2018-10-18 2021-08-25 Cellfacts Analytics Limited A method and apparatus for monitoring microbial contaminants in an industrial process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547075A (en) * 1983-02-23 1985-10-15 Dr. Alberto Ciampolini Strumenti Scientifici Device for the detection and calculation of particles present in a moving suspension for hematological analyses and the like
DE3603905A1 (en) * 1985-02-08 1986-08-14 Omron Tateisi Electronics Co., Kyoto Flow-rate and particle analyser and flow cell therefor
US4728190A (en) * 1985-10-15 1988-03-01 Particle Measuring Systems, Inc. Device and method for optically detecting particles in a fluid
JPH05172732A (en) * 1991-12-25 1993-07-09 Hitachi Electron Eng Co Ltd Method and apparatus for detecting particle in liquid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818103A (en) * 1981-05-15 1989-04-04 Ratcom Flow cytometry
US4673288A (en) * 1981-05-15 1987-06-16 Ratcom, Inc. Flow cytometry
DE3266669D1 (en) * 1981-06-24 1985-11-07 Becton Dickinson Co Analyzer for simultaneously determining volume and light emission characteristics of particles
US4790653A (en) * 1986-05-22 1988-12-13 Becton Dickinson And Company Housing for a flow cytometry apparatus with particle unclogging feature
DE3786657D1 (en) * 1987-02-17 1993-08-26 Ratcom Inc FLOW CYTOMETRY.
FR2621123B1 (en) * 1987-09-30 1989-12-01 Commissariat Energie Atomique METHOD FOR MANUFACTURING A DEVICE FOR OPTICAL ANALYSIS OF A MICROPARTICLE STREAM AND APPLICATION TO THE MANUFACTURE OF A CYTOFLUORIMETER
GB8920571D0 (en) * 1989-09-12 1989-10-25 Carr Robert J G Examination of objects of macromolecular size

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547075A (en) * 1983-02-23 1985-10-15 Dr. Alberto Ciampolini Strumenti Scientifici Device for the detection and calculation of particles present in a moving suspension for hematological analyses and the like
DE3603905A1 (en) * 1985-02-08 1986-08-14 Omron Tateisi Electronics Co., Kyoto Flow-rate and particle analyser and flow cell therefor
US4728190A (en) * 1985-10-15 1988-03-01 Particle Measuring Systems, Inc. Device and method for optically detecting particles in a fluid
JPH05172732A (en) * 1991-12-25 1993-07-09 Hitachi Electron Eng Co Ltd Method and apparatus for detecting particle in liquid

Also Published As

Publication number Publication date
GB2337584A (en) 1999-11-24
GB9911450D0 (en) 1999-07-14
GB2337584B (en) 2003-03-12
GB0227050D0 (en) 2002-12-24
GB2380792A (en) 2003-04-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140517