ATE172302T1 - Verfahren und vorrichtung zur feststellung einer eigenschaft einer probe - Google Patents

Verfahren und vorrichtung zur feststellung einer eigenschaft einer probe

Info

Publication number
ATE172302T1
ATE172302T1 AT93917888T AT93917888T ATE172302T1 AT E172302 T1 ATE172302 T1 AT E172302T1 AT 93917888 T AT93917888 T AT 93917888T AT 93917888 T AT93917888 T AT 93917888T AT E172302 T1 ATE172302 T1 AT E172302T1
Authority
AT
Austria
Prior art keywords
pct
pulse
response
sample
sec
Prior art date
Application number
AT93917888T
Other languages
English (en)
Inventor
Ying Liu
Eric William Abel
Jill Janette Freda Belch
Richard John Tweedie
Original Assignee
British Tech Group
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 British Tech Group filed Critical British Tech Group
Application granted granted Critical
Publication of ATE172302T1 publication Critical patent/ATE172302T1/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
    • G01N15/1031—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
    • 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
    • G01N15/13—Details pertaining to 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
    • G01N15/10—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
    • G01N15/131—Details
    • G01N15/132—Circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Paints Or Removers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
AT93917888T 1992-07-24 1993-07-22 Verfahren und vorrichtung zur feststellung einer eigenschaft einer probe ATE172302T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929215733A GB9215733D0 (en) 1992-07-24 1992-07-24 Method of and apparatus for determining a property of a sample

Publications (1)

Publication Number Publication Date
ATE172302T1 true ATE172302T1 (de) 1998-10-15

Family

ID=10719223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93917888T ATE172302T1 (de) 1992-07-24 1993-07-22 Verfahren und vorrichtung zur feststellung einer eigenschaft einer probe

Country Status (8)

Country Link
US (1) US5691633A (de)
EP (1) EP0651882B1 (de)
JP (1) JPH07509560A (de)
KR (1) KR950702707A (de)
AT (1) ATE172302T1 (de)
DE (1) DE69321592T2 (de)
GB (1) GB9215733D0 (de)
WO (1) WO1994002846A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9604292D0 (en) * 1996-02-29 1996-05-01 Hybaid Ltd Estimation of a nucleic acid
GB9717932D0 (en) * 1997-08-22 1997-10-29 Hybaid Ltd Estimation of nucleic acid
US8071384B2 (en) 1997-12-22 2011-12-06 Roche Diagnostics Operations, Inc. Control and calibration solutions and methods for their use
US7390667B2 (en) 1997-12-22 2008-06-24 Roche Diagnostics Operations, Inc. System and method for analyte measurement using AC phase angle measurements
US7494816B2 (en) 1997-12-22 2009-02-24 Roche Diagnostic Operations, Inc. System and method for determining a temperature during analyte measurement
US7407811B2 (en) 1997-12-22 2008-08-05 Roche Diagnostics Operations, Inc. System and method for analyte measurement using AC excitation
WO2000049386A2 (en) * 1999-02-18 2000-08-24 Coulter International Corp. Solid state rf oscillator-detector for flow cytometer
US6204668B1 (en) * 1999-02-22 2001-03-20 Coulter International Corp. DC/RF blood cell detector using isolated bridge circuit having automatic amplitude and phase balance components
JP2003510034A (ja) * 1999-08-26 2003-03-18 ザ トラスティーズ オブ プリンストン ユニバーシティ 流体の静電容量の変化を検出するためのマイクロ流体およびナノ流体電子素子並びに使用方法
US6437551B1 (en) 1999-11-02 2002-08-20 The Regents Of The University Of California Microfabricated AC impedance sensor
WO2002059575A2 (en) 2001-01-23 2002-08-01 The Trustees Of Princeton University, Princeton University Method and apparatus for analysis of biological solutions
DE10145249B4 (de) * 2001-09-06 2009-01-15 Klaus-Dieter Holzrichter Gerät zur Erzeugung eines Testsignals
EP1563055B1 (de) * 2002-10-31 2011-07-27 University of Massachusetts Verfahren und vorrichtung f r rasche zellenblockeinbettung
US7541161B2 (en) * 2002-10-31 2009-06-02 University Of Massachusetts Method and apparatus for preparing cells for microtome sectioning and archiving nucleic acids and proteins
US7718439B2 (en) 2003-06-20 2010-05-18 Roche Diagnostics Operations, Inc. System and method for coding information on a biosensor test strip
US7597793B2 (en) 2003-06-20 2009-10-06 Roche Operations Ltd. System and method for analyte measurement employing maximum dosing time delay
US8206565B2 (en) 2003-06-20 2012-06-26 Roche Diagnostics Operation, Inc. System and method for coding information on a biosensor test strip
US7488601B2 (en) 2003-06-20 2009-02-10 Roche Diagnostic Operations, Inc. System and method for determining an abused sensor during analyte measurement
US8148164B2 (en) 2003-06-20 2012-04-03 Roche Diagnostics Operations, Inc. System and method for determining the concentration of an analyte in a sample fluid
US8058077B2 (en) 2003-06-20 2011-11-15 Roche Diagnostics Operations, Inc. Method for coding information on a biosensor test strip
US7604721B2 (en) 2003-06-20 2009-10-20 Roche Diagnostics Operations, Inc. System and method for coding information on a biosensor test strip
US7452457B2 (en) 2003-06-20 2008-11-18 Roche Diagnostics Operations, Inc. System and method for analyte measurement using dose sufficiency electrodes
US7645373B2 (en) 2003-06-20 2010-01-12 Roche Diagnostic Operations, Inc. System and method for coding information on a biosensor test strip
US7645421B2 (en) 2003-06-20 2010-01-12 Roche Diagnostics Operations, Inc. System and method for coding information on a biosensor test strip
RU2006132051A (ru) 2004-02-06 2008-03-20 БАЙЕР ХЕЛТКЭР ЭлЭлСи (US) Окисляемые соединения в качестве внутреннего стандарта для биосенсоров и способ их применения
JP4643921B2 (ja) * 2004-03-26 2011-03-02 独立行政法人科学技術振興機構 流路における流体の通過を検出する方法および流体の流れを制御する方法
US7556723B2 (en) 2004-06-18 2009-07-07 Roche Diagnostics Operations, Inc. Electrode design for biosensor
US7569126B2 (en) 2004-06-18 2009-08-04 Roche Diagnostics Operations, Inc. System and method for quality assurance of a biosensor test strip
CN103558284B (zh) 2005-07-20 2017-04-12 安晟信医疗科技控股公司 门控电流分析法
US8000783B2 (en) * 2005-08-10 2011-08-16 Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations Processor controlled voltage-current analysis for nerve and muscle tissues
AU2006297572B2 (en) 2005-09-30 2012-11-15 Ascensia Diabetes Care Holdings Ag Gated Voltammetry
US7769962B2 (en) * 2005-12-12 2010-08-03 Jeda Technologies, Inc. System and method for thread creation and memory management in an object-oriented programming environment
US8202733B1 (en) * 2006-12-18 2012-06-19 Shervin Javadi System and method for obtaining a differential flow rate
US7906076B2 (en) * 2007-07-02 2011-03-15 University Of Massachusetts Method and apparatus for biopsy sample processing
WO2009076302A1 (en) 2007-12-10 2009-06-18 Bayer Healthcare Llc Control markers for auto-detection of control solution and methods of use
US9915599B2 (en) 2013-02-08 2018-03-13 Sony Corporation Microparticle analysis apparatus and microparticle analysis system
WO2019127563A1 (zh) * 2017-12-30 2019-07-04 深圳迈瑞生物医疗电子股份有限公司 鞘流阻抗法粒子分析仪及其测量方法
WO2020152501A1 (en) * 2019-01-23 2020-07-30 Twtg R&D B.V. Electrical impedance spectrography using a capacitive voltage divider

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US3502974A (en) * 1966-05-23 1970-03-24 Coulter Electronics Signal modulated apparatus for generating and detecting resistive and reactive changes in a modulated current path for particle classification and analysis
US3793587A (en) * 1971-03-10 1974-02-19 Licentia Gmbh Particle volume and cross-section measurement
US3801904A (en) * 1972-09-11 1974-04-02 Coulter Electronics Particle study apparatus including an axial trajectory sensor
CH549210A (de) * 1972-09-14 1974-05-15 Contraves Ag Verfahren und messgeraet zur bestimmung des wahren mittleren volumens von in einer elektrolytisch leitenden fluessigkeit suspendierten teilchen.
US3815022A (en) * 1972-10-04 1974-06-04 Gen Electric Method and apparatus for measuring small aspherical particles
DE2502621C3 (de) * 1975-01-23 1978-09-14 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Messung elastischer und dielektrischer Eigenschaften der Membran lebender Zellen
DE2656654C3 (de) * 1976-12-14 1981-02-12 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaftense.V., 3400 Goettingen Vorrichtung zur Messung des Volumens und bestimmter optischer Eigenschaften von Partikeln
US4434398A (en) * 1978-05-18 1984-02-28 Particle Data, Inc. Porous passage means and method for particle analyzing systems
US4296373A (en) * 1979-07-12 1981-10-20 Hycel, Inc. Hematology cell counting apparatus incorporating multiple transducers for sequential operation
US4438390A (en) * 1981-03-23 1984-03-20 Coulter Electronics, Inc. Tandem sensing zones for improved signal-to-noise ratio in particle analyzer
US4420720A (en) * 1981-06-29 1983-12-13 Coulter Electronics, Inc. Field focused particle sensing zone
US4791355A (en) * 1986-10-21 1988-12-13 Coulter Electronics Inc. Particle analyzer for measuring the resistance and reactance of a particle
JP2815435B2 (ja) * 1989-12-22 1998-10-27 株式会社日立製作所 粒子解析装置及び血球カウンタ
ATE147165T1 (de) * 1990-08-30 1997-01-15 Univ Wales Analytisches verfahren

Also Published As

Publication number Publication date
WO1994002846A1 (en) 1994-02-03
US5691633A (en) 1997-11-25
GB9215733D0 (en) 1992-09-09
EP0651882A1 (de) 1995-05-10
DE69321592D1 (de) 1998-11-19
EP0651882B1 (de) 1998-10-14
JPH07509560A (ja) 1995-10-19
DE69321592T2 (de) 1999-03-04
KR950702707A (ko) 1995-07-29

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