GB1565492A - Apparatus and method for measuring white blood cell platelet cncentrations in blood - Google Patents

Apparatus and method for measuring white blood cell platelet cncentrations in blood Download PDF

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Publication number
GB1565492A
GB1565492A GB11753/78A GB1175378A GB1565492A GB 1565492 A GB1565492 A GB 1565492A GB 11753/78 A GB11753/78 A GB 11753/78A GB 1175378 A GB1175378 A GB 1175378A GB 1565492 A GB1565492 A GB 1565492A
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GB
United Kingdom
Prior art keywords
capillary tube
cell
light
cell layer
measured
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
GB11753/78A
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English (en)
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1565492A publication Critical patent/GB1565492A/en
Expired legal-status Critical Current

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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
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G01N15/042—Investigating sedimentation of particle suspensions by centrifuging and investigating centrifugates
    • 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
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G01N15/042—Investigating sedimentation of particle suspensions by centrifuging and investigating centrifugates
    • G01N2015/045—Investigating sedimentation of particle suspensions by centrifuging and investigating centrifugates by optical analysis

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  • 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)
GB11753/78A 1977-04-18 1978-03-23 Apparatus and method for measuring white blood cell platelet cncentrations in blood Expired GB1565492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/788,509 US4156570A (en) 1977-04-18 1977-04-18 Apparatus and method for measuring white blood cell and platelet concentrations in blood

Publications (1)

Publication Number Publication Date
GB1565492A true GB1565492A (en) 1980-04-23

Family

ID=25144711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11753/78A Expired GB1565492A (en) 1977-04-18 1978-03-23 Apparatus and method for measuring white blood cell platelet cncentrations in blood

Country Status (7)

Country Link
US (1) US4156570A (https=)
JP (1) JPS53129485A (https=)
DE (1) DE2816870C2 (https=)
FR (1) FR2388277A1 (https=)
GB (1) GB1565492A (https=)
IT (1) IT1102583B (https=)
SU (1) SU940656A3 (https=)

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US6197523B1 (en) * 1997-11-24 2001-03-06 Robert A. Levine Method for the detection, identification, enumeration and confirmation of circulating cancer and/or hematologic progenitor cells in whole blood
US6911315B2 (en) * 1997-11-24 2005-06-28 David L. Rimm Method for the detection, identification, enumeration and confirmation of virally infected cells and other epitopically defined cells in whole blood
US6285450B1 (en) 1998-03-02 2001-09-04 Bradley S. Thomas Blood centrifugation device with movable optical reader
US6030086A (en) * 1998-03-02 2000-02-29 Becton, Dickinson And Company Flash tube reflector with arc guide
US6120429A (en) * 1998-03-02 2000-09-19 Becton, Dickinson And Company Method of using inertial tube indexer
US6074883A (en) * 1998-03-02 2000-06-13 Becton, Dickinson And Company Method for using disposable blood tube holder
US6080366A (en) * 1998-03-02 2000-06-27 Becton, Dickinson And Company Disposable blood tube holder
US6002474A (en) * 1998-03-02 1999-12-14 Becton Dickinson And Company Method for using blood centrifugation device with movable optical reader
US6153148A (en) * 1998-06-15 2000-11-28 Becton, Dickinson And Company Centrifugal hematology disposable
EP1825317B1 (en) * 2004-11-24 2013-04-17 Battelle Memorial Institute Optical system for cell imaging
SE528697C2 (sv) * 2005-03-11 2007-01-30 Hemocue Ab Volymetrisk bestämning av antalet vita blodkroppar i ett blodprov
US7998696B2 (en) * 2007-12-05 2011-08-16 Zyomyx, Inc. Cell assay kit and method
US8988881B2 (en) 2007-12-18 2015-03-24 Sandia Corporation Heat exchanger device and method for heat removal or transfer
CA2717894C (en) 2008-03-05 2014-05-27 Becton, Dickinson And Company Capillary action collection device and container assembly
US9005417B1 (en) 2008-10-01 2015-04-14 Sandia Corporation Devices, systems, and methods for microscale isoelectric fractionation
US20110178424A1 (en) * 2010-01-19 2011-07-21 Becton, Dickinson And Company Specimen Collection Container Having a Transitional Fill-Volume Indicator Indicating Extraction Method
US9186668B1 (en) 2010-06-04 2015-11-17 Sandia Corporation Microfluidic devices, systems, and methods for quantifying particles using centrifugal force
US9795961B1 (en) 2010-07-08 2017-10-24 National Technology & Engineering Solutions Of Sandia, Llc Devices, systems, and methods for detecting nucleic acids using sedimentation
US8945914B1 (en) 2010-07-08 2015-02-03 Sandia Corporation Devices, systems, and methods for conducting sandwich assays using sedimentation
US8962346B2 (en) 2010-07-08 2015-02-24 Sandia Corporation Devices, systems, and methods for conducting assays with improved sensitivity using sedimentation
US9261100B2 (en) 2010-08-13 2016-02-16 Sandia Corporation Axial flow heat exchanger devices and methods for heat transfer using axial flow devices
US8460620B2 (en) 2010-12-03 2013-06-11 Becton, Dickinson And Company Specimen collection container assembly
US9244065B1 (en) 2012-03-16 2016-01-26 Sandia Corporation Systems, devices, and methods for agglutination assays using sedimentation
US9903001B1 (en) 2012-07-19 2018-02-27 National Technology & Engineering Solutions Of Sandia, Llc Quantitative detection of pathogens in centrifugal microfluidic disks
US10197480B2 (en) 2012-11-07 2019-02-05 Sandstone Diagnostics, Inc. Methods and devices for processing samples and counting cells
CA2885845C (en) 2012-11-07 2019-10-29 Sandstone Diagnostics, Inc. Methods and devices for processing samples and counting cells
US9304128B1 (en) 2013-02-01 2016-04-05 Sandia Corporation Toxin activity assays, devices, methods and systems therefor
WO2014124179A1 (en) 2013-02-07 2014-08-14 Sandstone Diagnostics, Inc. Automated sample processing, fluid distribution, and sedimentation assay
US9500579B1 (en) 2013-05-01 2016-11-22 Sandia Corporation System and method for detecting components of a mixture including tooth elements for alignment
CN103529230B (zh) * 2013-10-23 2015-07-29 北京倍肯恒业科技发展有限责任公司 一种干式血液细胞分析装置
CN103529231B (zh) * 2013-10-23 2016-01-13 北京倍肯恒业科技发展有限责任公司 一种干式血液细胞分析装置的机械进样系统
CN103528936B (zh) * 2013-10-23 2016-05-18 北京倍肯恒业科技发展股份有限公司 一种干式血液细胞分析装置的光学检测系统
CN103558403A (zh) * 2013-10-23 2014-02-05 北京倍肯恒业科技发展有限责任公司 一种干式血液细胞分析装置的主控数据处理系统
US9803238B1 (en) 2013-11-26 2017-10-31 National Technology & Engineering Solutions Of Sandia, Llc Method and apparatus for purifying nucleic acids and performing polymerase chain reaction assays using an immiscible fluid
US9702871B1 (en) 2014-11-18 2017-07-11 National Technology & Engineering Solutions Of Sandia, Llc System and method for detecting components of a mixture including a valving scheme for competition assays
US10254298B1 (en) 2015-03-25 2019-04-09 National Technology & Engineering Solutions Of Sandia, Llc Detection of metabolites for controlled substances
KR101701334B1 (ko) * 2015-11-24 2017-02-13 전북대학교산학협력단 포터블 혈액점도측정장치
US10981174B1 (en) 2016-08-04 2021-04-20 National Technology & Engineering Solutions Of Sandia, Llc Protein and nucleic acid detection for microfluidic devices
US10406528B1 (en) 2016-08-04 2019-09-10 National Technology & Engineering Solutions Of Sandia, Llc Non-contact temperature control system for microfluidic devices
US10786811B1 (en) 2016-10-24 2020-09-29 National Technology & Engineering Solutions Of Sandia, Llc Detection of active and latent infections with microfluidic devices and systems thereof

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US2840915A (en) * 1954-03-23 1958-07-01 Louis E Drummond Apparatus for determining the percentage of red cells in a blood specimen
US2973580A (en) * 1958-09-24 1961-03-07 American Optical Corp Apparatus for use in analyzing blood
US3561877A (en) * 1967-06-30 1971-02-09 Delta Research Inc Hematocrit reader
US3582218A (en) * 1969-10-17 1971-06-01 Atomic Energy Commission Multistation photometric analyzer
NL169367C (nl) * 1970-12-09 1982-07-01 Lode S Instr N V Werkwijze en inrichting voor het bepalen van de coagulatietijd van bloed.
US3916205A (en) * 1973-05-31 1975-10-28 Block Engineering Differential counting of leukocytes and other cells
US3914985A (en) * 1974-03-29 1975-10-28 American Hospital Supply Corp Centrifuging device and method
US4031399A (en) * 1975-02-24 1977-06-21 Beckman Instruments, Inc. Fluorometer
US4054387A (en) * 1975-12-22 1977-10-18 Vickers Instruments, Inc. Measuring with microscope
US4027660A (en) * 1976-04-02 1977-06-07 Wardlaw Stephen C Material layer volume determination

Also Published As

Publication number Publication date
DE2816870A1 (de) 1978-10-26
US4156570A (en) 1979-05-29
FR2388277B1 (https=) 1982-04-16
IT7848875A0 (it) 1978-04-12
SU940656A3 (ru) 1982-06-30
IT1102583B (it) 1985-10-07
JPS6139620B2 (https=) 1986-09-04
JPS53129485A (en) 1978-11-11
DE2816870C2 (de) 1987-04-23
FR2388277A1 (fr) 1978-11-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19980322