GB8913593D0 - Counting and volume measurement of particles and biological cells,and determination of their deformability - Google Patents

Counting and volume measurement of particles and biological cells,and determination of their deformability

Info

Publication number
GB8913593D0
GB8913593D0 GB898913593A GB8913593A GB8913593D0 GB 8913593 D0 GB8913593 D0 GB 8913593D0 GB 898913593 A GB898913593 A GB 898913593A GB 8913593 A GB8913593 A GB 8913593A GB 8913593 D0 GB8913593 D0 GB 8913593D0
Authority
GB
United Kingdom
Prior art keywords
deformability
counting
particles
determination
biological cells
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.)
Granted
Application number
GB898913593A
Other versions
GB2232769B (en
GB2232769A (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.)
FISHER TIMOTHY C
Original Assignee
FISHER TIMOTHY C
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 FISHER TIMOTHY C filed Critical FISHER TIMOTHY C
Priority to GB8913593A priority Critical patent/GB2232769B/en
Publication of GB8913593D0 publication Critical patent/GB8913593D0/en
Publication of GB2232769A publication Critical patent/GB2232769A/en
Application granted granted Critical
Publication of GB2232769B publication Critical patent/GB2232769B/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
    • 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
    • G01N15/134—Devices using two or more 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
    • G01N15/01—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
    • G01N15/10—Investigating individual particles
    • G01N2015/1022—Measurement of deformation of individual 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
    • G01N2015/1024—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
    • G01N2015/103—Particle shape

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 Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
GB8913593A 1989-06-13 1989-06-13 Counting and volume measurement of particles and biological cells,and determination of their deformability Expired - Fee Related GB2232769B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8913593A GB2232769B (en) 1989-06-13 1989-06-13 Counting and volume measurement of particles and biological cells,and determination of their deformability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8913593A GB2232769B (en) 1989-06-13 1989-06-13 Counting and volume measurement of particles and biological cells,and determination of their deformability

Publications (3)

Publication Number Publication Date
GB8913593D0 true GB8913593D0 (en) 1989-08-02
GB2232769A GB2232769A (en) 1990-12-19
GB2232769B GB2232769B (en) 1994-06-22

Family

ID=10658373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8913593A Expired - Fee Related GB2232769B (en) 1989-06-13 1989-06-13 Counting and volume measurement of particles and biological cells,and determination of their deformability

Country Status (1)

Country Link
GB (1) GB2232769B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376878A (en) * 1991-12-12 1994-12-27 Fisher; Timothy C. Multiple-aperture particle counting sizing and deformability-measuring apparatus
JPH07301595A (en) * 1994-05-09 1995-11-14 Toa Medical Electronics Co Ltd Method and apparatus for measuring particle
US5795782A (en) * 1995-03-17 1998-08-18 President & Fellows Of Harvard College Characterization of individual polymer molecules based on monomer-interface interactions
US20120160687A1 (en) 1995-03-17 2012-06-28 President And Fellows Of Harvard College Characterization of individual polymer molecules based on monomer-interface interactions
US6362002B1 (en) 1995-03-17 2002-03-26 President And Fellows Of Harvard College Characterization of individual polymer molecules based on monomer-interface interactions
EP1192453B1 (en) 1999-06-22 2012-02-15 President and Fellows of Harvard College Molecular and atomic scale evaluation of biopolymers
DE19946458C2 (en) * 1999-09-28 2002-10-24 Fraunhofer Ges Forschung Device and method for characterizing spheroids
DE10142393C1 (en) * 2001-08-30 2003-01-23 Fraunhofer Ges Forschung Apparatus measuring bioelectrical signals from spheroids, includes commensurately-sized chamber ringed internally with coplanar electrodes
AU2003232169B8 (en) 2002-06-11 2008-05-08 Koninklijke Philips Electronics N.V. A disposable cartridge for characterizing particles suspended in a liquid
US7846738B2 (en) 2003-08-15 2010-12-07 President And Fellows Of Harvard College Study of polymer molecules and conformations with a nanopore
WO2006028508A2 (en) 2004-03-23 2006-03-16 President And Fellows Of Harvard College Methods and apparatus for characterizing polynucleotides
WO2006084472A1 (en) 2005-02-10 2006-08-17 Chempaq A/S Dual sample cartridge and method for characterizing particle in liquid
US8028566B2 (en) 2005-02-10 2011-10-04 Chempaq A/S Dual sample cartridge and method for characterizing particles in liquid
CN103154729B (en) 2010-06-08 2015-01-07 哈佛大学校长及研究员协会 Nanopore device with graphene supported artificial lipid membrane
CN106442275B (en) * 2016-09-18 2019-08-09 中国人民武装警察部队总医院 A kind of method and kit of qualitative detection chyle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924180A (en) * 1973-10-12 1975-12-02 Us Energy Potential sensing cell analyzer
DE2502621C3 (en) * 1975-01-23 1978-09-14 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Measurement of elastic and dielectric properties of the membrane of living cells
CH614781A5 (en) * 1977-06-27 1979-12-14 Contraves Ag
US4438390A (en) * 1981-03-23 1984-03-20 Coulter Electronics, Inc. Tandem sensing zones for improved signal-to-noise ratio in particle analyzer
FR2569477B1 (en) * 1984-08-24 1987-01-02 Descartes Universite Rene APPARATUS AND METHOD FOR DETERMINING THE DEFORMABILITY OF RED BLOOD CELLS

Also Published As

Publication number Publication date
GB2232769B (en) 1994-06-22
GB2232769A (en) 1990-12-19

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Legal Events

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

Effective date: 19960613