FR2241069B1 - - Google Patents

Info

Publication number
FR2241069B1
FR2241069B1 FR7427960A FR7427960A FR2241069B1 FR 2241069 B1 FR2241069 B1 FR 2241069B1 FR 7427960 A FR7427960 A FR 7427960A FR 7427960 A FR7427960 A FR 7427960A FR 2241069 B1 FR2241069 B1 FR 2241069B1
Authority
FR
France
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
FR7427960A
Other versions
FR2241069A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2241069A1 publication Critical patent/FR2241069A1/fr
Application granted granted Critical
Publication of FR2241069B1 publication Critical patent/FR2241069B1/fr
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
    • G01N15/1031—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7427960A 1973-08-13 1974-08-12 Expired FR2241069B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/387,548 US3944917A (en) 1973-08-13 1973-08-13 Electrical sensing circuitry for particle analyzing device

Publications (2)

Publication Number Publication Date
FR2241069A1 FR2241069A1 (fr) 1975-03-14
FR2241069B1 true FR2241069B1 (fr) 1976-10-22

Family

ID=23530349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427960A Expired FR2241069B1 (fr) 1973-08-13 1974-08-12

Country Status (6)

Country Link
US (1) US3944917A (fr)
JP (1) JPS5046179A (fr)
CA (1) CA1013432A (fr)
DE (1) DE2438401A1 (fr)
FR (1) FR2241069B1 (fr)
GB (2) GB1476210A (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632962C3 (de) * 1976-07-22 1980-08-21 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Partikelseparator
JPS5853738A (ja) * 1981-09-25 1983-03-30 Eruma Kogaku Kk 微粒子の体積測定装置
DE3522186A1 (de) * 1985-06-21 1987-01-02 Hoechst Ag Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen
US4791355A (en) * 1986-10-21 1988-12-13 Coulter Electronics Inc. Particle analyzer for measuring the resistance and reactance of a particle
CA1328679C (fr) * 1989-05-18 1994-04-19 Raynald Hachey Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion
US4972137A (en) * 1989-05-31 1990-11-20 Coulter Electronics, Inc. Isolation circuit for blood cell counter
US5202638A (en) * 1991-04-01 1993-04-13 The United States Of America As Represented By The Secretary Of Agriculture Power density measuring apparatus and method
GB9405028D0 (en) * 1994-03-15 1994-04-27 Counting Tech Ltd Fluid diluter
WO1998034094A1 (fr) 1997-01-31 1998-08-06 The Horticulture & Food Research Institute Of New Zealand Ltd. Appareil optique
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6071689A (en) * 1997-12-31 2000-06-06 Xy, Inc. System for improving yield of sexed embryos in mammals
US6149867A (en) 1997-12-31 2000-11-21 Xy, Inc. Sheath fluids and collection systems for sex-specific cytometer sorting of sperm
US6323632B1 (en) * 1999-08-13 2001-11-27 Coulter International Corp. Solid state RF oscillator-detector for flow cytometer
US6437551B1 (en) 1999-11-02 2002-08-20 The Regents Of The University Of California Microfabricated AC impedance sensor
US7208265B1 (en) * 1999-11-24 2007-04-24 Xy, Inc. Method of cryopreserving selected sperm cells
US6441625B1 (en) * 2000-07-27 2002-08-27 Agilent Technologies, Inc. Contactless conductivity detector with transmitter/receiver electrode
US20040031071A1 (en) * 2000-10-05 2004-02-12 Xy, Inc. System of hysteroscopic insemination of mares
AU2002237689B2 (en) * 2000-11-29 2008-01-10 Xy, Llc. System to separate frozen-thawed spermatozoa into X-chromosome bearing and Y-chromosome bearing populations
US7713687B2 (en) * 2000-11-29 2010-05-11 Xy, Inc. System to separate frozen-thawed spermatozoa into x-chromosome bearing and y-chromosome bearing populations
US7057393B2 (en) * 2000-12-06 2006-06-06 Massachusetts Institute Of Technology System and method for measuring the dielectric strength of a fluid
WO2002059575A2 (fr) * 2001-01-23 2002-08-01 The Trustees Of Princeton University, Princeton University Method and apparatus for analysis of biological solutions
US6859050B2 (en) * 2002-05-31 2005-02-22 Agilent Technologies, Inc. High frequency contactless heating with temperature and/or conductivity monitoring
WO2004009237A2 (fr) * 2002-07-22 2004-01-29 Xy, Inc. Systeme de traitement de cellule spermatique
US8486618B2 (en) 2002-08-01 2013-07-16 Xy, Llc Heterogeneous inseminate system
EP2275533B9 (fr) * 2002-08-01 2016-10-19 Xy, Llc Méthode d'évaluation de cellules spermatiques
MXPA05001654A (es) * 2002-08-15 2005-10-18 Xy Inc Citometro de flujo de alta resolucion.
US7169548B2 (en) 2002-09-13 2007-01-30 Xy, Inc. Sperm cell processing and preservation systems
DE602004024874D1 (de) 2003-03-28 2010-02-11 Inguran Llc Eschlechts-sortierten tierspermien
US20060263829A1 (en) * 2003-05-15 2006-11-23 Evans Kenneth M Efficient haploid cell sorting flow cytometer systems
ES2758033T3 (es) 2004-03-04 2020-05-04 Novelis Inc Configuración de electrodo para LIMCA
EP2801363B1 (fr) 2004-03-29 2018-02-21 Inguran, LLC Procédé de stockage des spermatozoïdes triés
DE102004017474A1 (de) * 2004-04-08 2005-10-27 Evotec Technologies Gmbh Messeinrichtung zur Impedanzspektroskopie und zugehöriges Messverfahren
AR049732A1 (es) 2004-07-22 2006-08-30 Monsanto Co Proceso para enriquecer una poblacion de celulas de esperma
US7405562B2 (en) * 2004-07-23 2008-07-29 Yehya Ghallab Magnetic field imaging detection apparatus
KR20120083093A (ko) * 2011-01-17 2012-07-25 삼성전자주식회사 입자측정장치 및 이를 이용한 입자측정방법
KR101347063B1 (ko) * 2012-04-03 2014-01-02 한국산업은행 접지 특성분석을 위한 접지봉 시험장치
GB201306913D0 (en) 2013-04-16 2013-05-29 Univ Southampton A method of electrically measuring the size of individual particles flowing in a liquid
GB201306914D0 (en) * 2013-04-16 2013-05-29 Univ Southampton Apparatus for electrically measuring individual particles flowing in a liquid
WO2016063858A1 (fr) * 2014-10-20 2016-04-28 国立大学法人名古屋大学 Puce de mesure électrique, et dispositif de mesure électrique
CN106501136B (zh) * 2016-11-23 2023-10-03 西南大学 一种复合离子电极电动势的采集电路系统和采集方法
US10177696B1 (en) * 2017-05-26 2019-01-08 American Silver, Llc Adjusting a distance between an electrode and a liquid
CN111537408B (zh) * 2020-05-19 2023-04-07 北京林业大学 一种在线测定水环境中颗粒物粒径的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA864075A (en) * 1971-02-16 L. Epstein Sheldon Particle studying apparatus
US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US2871446A (en) * 1955-01-28 1959-01-27 Continental Oil Co Wide-range resistance and resistivity measuring apparatus
US3358223A (en) * 1955-10-14 1967-12-12 Mawdsley S Ltd Concentration meter
US3259842A (en) * 1959-08-19 1966-07-05 Coulter Electronics Particle analyzing device
US3706030A (en) * 1970-12-28 1972-12-12 Coulter Electronics Electronic particle detector of the coulter type having conductivity change independence circuitry
US3745455A (en) * 1971-06-21 1973-07-17 Particle Data Current normalizer for particle size analysis apparatus
US3689833A (en) * 1971-06-29 1972-09-05 Coulter Electronics Particle analyzing apparatus

Also Published As

Publication number Publication date
JPS5046179A (fr) 1975-04-24
CA1013432A (en) 1977-07-05
GB1476210A (en) 1977-06-10
FR2241069A1 (fr) 1975-03-14
DE2438401A1 (de) 1975-02-27
GB1476209A (en) 1977-06-10
US3944917A (en) 1976-03-16

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Legal Events

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ST Notification of lapse