GB1424388A - Blood cell analyzer - Google Patents

Blood cell analyzer

Info

Publication number
GB1424388A
GB1424388A GB4343073A GB4343073A GB1424388A GB 1424388 A GB1424388 A GB 1424388A GB 4343073 A GB4343073 A GB 4343073A GB 4343073 A GB4343073 A GB 4343073A GB 1424388 A GB1424388 A GB 1424388A
Authority
GB
United Kingdom
Prior art keywords
cell
stated
optical system
shape
independent
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
GB4343073A
Other languages
English (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.)
Block Engineering Inc
Original Assignee
Block Engineering 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
Application filed by Block Engineering Inc filed Critical Block Engineering Inc
Publication of GB1424388A publication Critical patent/GB1424388A/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
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • 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
    • G01N15/1429—Signal processing
    • G01N15/1433—Signal processing using image recognition
    • 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1468—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle
    • G01N15/147—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle 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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1497—Particle shape
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB4343073A 1972-10-02 1973-09-17 Blood cell analyzer Expired GB1424388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00294245A US3819270A (en) 1972-10-02 1972-10-02 Blood cell analyzer

Publications (1)

Publication Number Publication Date
GB1424388A true GB1424388A (en) 1976-02-11

Family

ID=23132527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4343073A Expired GB1424388A (en) 1972-10-02 1973-09-17 Blood cell analyzer

Country Status (8)

Country Link
US (1) US3819270A (enrdf_load_stackoverflow)
JP (1) JPS505098A (enrdf_load_stackoverflow)
CA (1) CA984175A (enrdf_load_stackoverflow)
CH (1) CH573600A5 (enrdf_load_stackoverflow)
DE (1) DE2349271A1 (enrdf_load_stackoverflow)
FR (1) FR2201064B1 (enrdf_load_stackoverflow)
GB (1) GB1424388A (enrdf_load_stackoverflow)
NL (1) NL7313531A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635347A1 (de) * 1975-08-04 1977-02-24 Minnesota Mining & Mfg Messanordnung und -verfahren
WO2011144208A3 (de) * 2010-05-18 2012-04-12 Partec Gmbh Anordnung zum messen der optischen eigenschaften von partikeln einer dispersion

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941479A (en) * 1974-09-26 1976-03-02 G. D. Searle & Co. Use of modulated stimulus to improve detection sensitivity for signals from particles in a flow chamber
US4577964A (en) * 1978-09-06 1986-03-25 Ortho Diagnostics, Inc. Apparatus and method for detecting platelets in whole blood
US4286876A (en) * 1979-01-02 1981-09-01 Coulter Electronics, Inc. Apparatus and method for measuring scattering of light in particle detection systems
GB2041516B (en) * 1979-01-02 1983-04-13 Coulter Electronics Methods and apparatus for measurement of reradiation in particle flow cell systems
US4338024A (en) * 1980-05-02 1982-07-06 International Remote Imaging Systems, Inc. Flow analyzer and system for analysis of fluids with particles
CA1292628C (en) * 1986-02-12 1991-12-03 James Phinazee Sutton Iii In situ particle size measuring device
US4999513A (en) * 1988-09-09 1991-03-12 Canon Kabushiki Kaisha Particle measuring apparatus
US5116125A (en) * 1990-10-31 1992-05-26 Biophos Medical Ab Fertility analyzer
GB9202887D0 (en) * 1992-02-12 1992-03-25 Cambridge Consultants A particle sizing system based on incoherent structured illumination
US5999256A (en) * 1992-02-12 1999-12-07 Cambridge Consultants Limited Particle measurement system
US5691132A (en) 1994-11-14 1997-11-25 Cerus Corporation Method for inactivating pathogens in red cell compositions using quinacrine mustard
US6177441B1 (en) 1995-06-05 2001-01-23 Cerus Corporation Treating red blood cell solutions with anti-viral agents
US5872627A (en) * 1996-07-30 1999-02-16 Bayer Corporation Method and apparatus for detecting scattered light in an analytical instrument
US5844685A (en) * 1996-07-30 1998-12-01 Bayer Corporation Reference laser beam sampling apparatus
JP2000304689A (ja) * 1999-04-21 2000-11-02 Hiroyuki Ogawa 投影観察方法、微生物検査方法および投影検出装置
US6359683B1 (en) * 2000-04-27 2002-03-19 Becton, Dickinson And Company Method for determining the volume of particles suspended in liquids
US6473172B1 (en) 2000-09-20 2002-10-29 International Remote Imaging Systems, Inc. Flow cell and method of operating therefor
US7029631B2 (en) * 2002-04-19 2006-04-18 Agilent Technologies, Inc. Apparatus for improved light collection
US7867778B2 (en) * 2007-02-23 2011-01-11 Visiongate, Inc. Fluid focusing for positional control of a specimen for 3-D imaging
DE102008061695A1 (de) 2008-12-10 2010-06-17 Laser- und Medizin-Technologie, Berlin GmbH Anordnung zur Bestimmung optischer Eigenschaften bei mehreren Wellenlängen
US20210121884A1 (en) * 2012-12-21 2021-04-29 Leica Biosystems Melbourne Pty Ltd Method of producing a reagent on-board an instrument
EP3842785B1 (en) 2013-03-15 2024-01-17 Iris International, Inc. Sheath fluid systems and methods for particle analysis in blood samples
KR101855490B1 (ko) * 2016-01-22 2018-05-08 한국과학기술원 점탄성유체와 점성유체의 병행층류를 이용한 미소 입자 분리 및 세정 방법
GB2593194B (en) * 2020-03-18 2022-09-07 Refeyn Ltd Methods and apparatus for optimised interferometric scattering microscopy

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785356A (en) * 1953-01-30 1957-10-30 Mullard Radio Valve Co Ltd Improvements in or relating to flying spot scanning systems
US3315229A (en) * 1963-12-31 1967-04-18 Ibm Blood cell recognizer
DE1673023A1 (de) * 1967-10-13 1971-04-29 Rwk Rhein Westfael Kalkwerke Verfahren und Vorrichtung zur Ermittlung des Kornaufbaus von Schuettgut
US3675768A (en) * 1969-03-17 1972-07-11 Gildardo Legorreta Sanchez Method and apparatus for classifying and segregating particles with electrical and optical means
US3528742A (en) * 1969-07-23 1970-09-15 Herbert H Dobbs Optical anemometer
US3669542A (en) * 1969-10-09 1972-06-13 Coulter Electronics Liquid borne particle sensor
US3662176A (en) * 1970-04-06 1972-05-09 Bio Physics Systems Inc Photo-optical particle analysis method and apparatus
BE793185A (fr) * 1971-12-23 1973-04-16 Atomic Energy Commission Appareil pour analyser et trier rapidement des particules telles que des cellules biologiques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635347A1 (de) * 1975-08-04 1977-02-24 Minnesota Mining & Mfg Messanordnung und -verfahren
WO2011144208A3 (de) * 2010-05-18 2012-04-12 Partec Gmbh Anordnung zum messen der optischen eigenschaften von partikeln einer dispersion

Also Published As

Publication number Publication date
JPS505098A (enrdf_load_stackoverflow) 1975-01-20
US3819270A (en) 1974-06-25
DE2349271A1 (de) 1974-04-18
AU6072373A (en) 1975-03-27
FR2201064B1 (enrdf_load_stackoverflow) 1977-05-27
CA984175A (en) 1976-02-24
CH573600A5 (enrdf_load_stackoverflow) 1976-03-15
NL7313531A (enrdf_load_stackoverflow) 1974-04-04
FR2201064A1 (enrdf_load_stackoverflow) 1974-04-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees