ATE236397T1 - Retikulozyt bestimmungsverfahren und geraet, das lichtstreuungstechniken verwendet - Google Patents

Retikulozyt bestimmungsverfahren und geraet, das lichtstreuungstechniken verwendet

Info

Publication number
ATE236397T1
ATE236397T1 AT94916728T AT94916728T ATE236397T1 AT E236397 T1 ATE236397 T1 AT E236397T1 AT 94916728 T AT94916728 T AT 94916728T AT 94916728 T AT94916728 T AT 94916728T AT E236397 T1 ATE236397 T1 AT E236397T1
Authority
AT
Austria
Prior art keywords
light
cell
reticulocytes
light scattering
determination method
Prior art date
Application number
AT94916728T
Other languages
English (en)
Inventor
Carlos M Rodriguez
Stephen L Ledis
Original Assignee
Coulter Int Corp
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 Coulter Int Corp filed Critical Coulter Int Corp
Application granted granted Critical
Publication of ATE236397T1 publication Critical patent/ATE236397T1/de

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
    • G01N15/1456—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
    • 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
    • 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
    • G01N2015/1006—Investigating individual particles for cytology
    • 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]
    • 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
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25125—Digestion or removing interfering materials

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 Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT94916728T 1993-05-14 1994-05-10 Retikulozyt bestimmungsverfahren und geraet, das lichtstreuungstechniken verwendet ATE236397T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6285793A 1993-05-14 1993-05-14
PCT/US1994/005209 WO1994027146A1 (en) 1993-05-14 1994-05-10 Reticulocyte analyzing method and apparatus utilizing light scatter techniques

Publications (1)

Publication Number Publication Date
ATE236397T1 true ATE236397T1 (de) 2003-04-15

Family

ID=22045289

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94916728T ATE236397T1 (de) 1993-05-14 1994-05-10 Retikulozyt bestimmungsverfahren und geraet, das lichtstreuungstechniken verwendet

Country Status (7)

Country Link
US (2) US5492833A (de)
EP (1) EP0698211B1 (de)
JP (1) JP3707620B2 (de)
AT (1) ATE236397T1 (de)
AU (1) AU6830894A (de)
DE (1) DE69432410T2 (de)
WO (1) WO1994027146A1 (de)

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Also Published As

Publication number Publication date
US5616501A (en) 1997-04-01
JP3707620B2 (ja) 2005-10-19
AU6830894A (en) 1994-12-12
EP0698211B1 (de) 2003-04-02
DE69432410D1 (de) 2003-05-08
DE69432410T2 (de) 2004-03-04
WO1994027146A1 (en) 1994-11-24
JPH08510330A (ja) 1996-10-29
US5492833A (en) 1996-02-20
EP0698211A1 (de) 1996-02-28
EP0698211A4 (de) 1998-11-18

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