GB2041516B - Methods and apparatus for measurement of reradiation in particle flow cell systems - Google Patents

Methods and apparatus for measurement of reradiation in particle flow cell systems

Info

Publication number
GB2041516B
GB2041516B GB8000034A GB8000034A GB2041516B GB 2041516 B GB2041516 B GB 2041516B GB 8000034 A GB8000034 A GB 8000034A GB 8000034 A GB8000034 A GB 8000034A GB 2041516 B GB2041516 B GB 2041516B
Authority
GB
United Kingdom
Prior art keywords
reradiation
measurement
methods
flow cell
cell systems
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
Application number
GB8000034A
Other languages
English (en)
Other versions
GB2041516A (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.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics 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
Priority claimed from US06/000,439 external-priority patent/US4341471A/en
Priority claimed from US06/020,817 external-priority patent/US4523841A/en
Priority claimed from US06/093,311 external-priority patent/US4273443A/en
Application filed by Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of GB2041516A publication Critical patent/GB2041516A/en
Application granted granted Critical
Publication of GB2041516B publication Critical patent/GB2041516B/en
Expired 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • G01N15/1436—Optical arrangements the optical arrangement forming an integrated apparatus with the sample container, e.g. a flow cell
    • 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
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • G01N2021/052—Tubular type; cavity type; multireflective
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes

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 Materials By Optical Means (AREA)
  • Measurement Of Radiation (AREA)
GB8000034A 1979-01-02 1980-01-02 Methods and apparatus for measurement of reradiation in particle flow cell systems Expired GB2041516B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/000,439 US4341471A (en) 1979-01-02 1979-01-02 Apparatus and method for measuring the distribution of radiant energy produced in particle investigating systems
US06/020,817 US4523841A (en) 1979-03-15 1979-03-15 Radiant energy reradiating flow cell system and method
US06/093,311 US4273443A (en) 1979-11-21 1979-11-21 Method and apparatus for measurement of reradiation in particle flow cell systems

Publications (2)

Publication Number Publication Date
GB2041516A GB2041516A (en) 1980-09-10
GB2041516B true GB2041516B (en) 1983-04-13

Family

ID=27356666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8000034A Expired GB2041516B (en) 1979-01-02 1980-01-02 Methods and apparatus for measurement of reradiation in particle flow cell systems

Country Status (4)

Country Link
CA (1) CA1136883A (enrdf_load_stackoverflow)
DE (1) DE3000033A1 (enrdf_load_stackoverflow)
FR (1) FR2445962A1 (enrdf_load_stackoverflow)
GB (1) GB2041516B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8726305D0 (en) * 1987-11-10 1987-12-16 Secr Defence Portable particle analysers
GB8726304D0 (en) * 1987-11-10 1987-12-16 Secr Defence Particle asymmetry analyser
JP2635992B2 (ja) * 1988-03-24 1997-07-30 興和株式会社 微粒子測定装置
JP2895622B2 (ja) * 1989-09-29 1999-05-24 アトミック エナジィ オブ カナダ リミテッド 赤外線を用いたガス検出器
FR2860869B1 (fr) 2003-10-10 2007-04-20 Optis Dispositif portable de mesure de l'intensite lumineuse d'un objet et utilisation d'un tel dispositif
JP4560517B2 (ja) * 2003-10-10 2010-10-13 オプティス 物体からの光強度を測定する携帯型装置と、そのような装置の使用方法
DE102013220004A1 (de) 2013-10-02 2015-04-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Bestimmen von Größen von Partikeln in einem Fluid
US10365198B2 (en) * 2016-04-21 2019-07-30 Malvern Panalytical Limited Particle characterization

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819270A (en) * 1972-10-02 1974-06-25 Block Engineering Blood cell analyzer
US3982762A (en) * 1975-06-05 1976-09-28 Irwin Toy Limited Outdoor game dart

Also Published As

Publication number Publication date
FR2445962B1 (enrdf_load_stackoverflow) 1983-12-09
GB2041516A (en) 1980-09-10
CA1136883A (en) 1982-12-07
FR2445962A1 (fr) 1980-08-01
DE3000033A1 (de) 1980-07-31

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Legal Events

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