SE438554B - Anordning for analys av i en vetska suspenderade partiklar, i synnerhet blodkroppar, med avseende pa antal och/eller storlek - Google Patents

Anordning for analys av i en vetska suspenderade partiklar, i synnerhet blodkroppar, med avseende pa antal och/eller storlek

Info

Publication number
SE438554B
SE438554B SE7807163A SE7807163A SE438554B SE 438554 B SE438554 B SE 438554B SE 7807163 A SE7807163 A SE 7807163A SE 7807163 A SE7807163 A SE 7807163A SE 438554 B SE438554 B SE 438554B
Authority
SE
Sweden
Prior art keywords
auxiliary
value
channel
electrode
measuring
Prior art date
Application number
SE7807163A
Other languages
English (en)
Swedish (sv)
Other versions
SE7807163L (sv
Inventor
M Feier
Original Assignee
Contraves Ag
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 Contraves Ag filed Critical Contraves Ag
Publication of SE7807163L publication Critical patent/SE7807163L/xx
Publication of SE438554B publication Critical patent/SE438554B/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/131Details
    • G01N15/132Circuits

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 Analyzing Materials By The Use Of Electric Means (AREA)
SE7807163A 1977-06-27 1978-06-22 Anordning for analys av i en vetska suspenderade partiklar, i synnerhet blodkroppar, med avseende pa antal och/eller storlek SE438554B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH784277A CH614781A5 (ja) 1977-06-27 1977-06-27

Publications (2)

Publication Number Publication Date
SE7807163L SE7807163L (sv) 1978-12-28
SE438554B true SE438554B (sv) 1985-04-22

Family

ID=4331230

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7807163A SE438554B (sv) 1977-06-27 1978-06-22 Anordning for analys av i en vetska suspenderade partiklar, i synnerhet blodkroppar, med avseende pa antal och/eller storlek

Country Status (13)

Country Link
US (1) US4161690A (ja)
JP (1) JPS5412794A (ja)
BE (1) BE867676A (ja)
CA (1) CA1103312A (ja)
CH (1) CH614781A5 (ja)
DE (1) DE2824831C3 (ja)
DK (1) DK146984C (ja)
ES (1) ES471120A1 (ja)
FR (1) FR2396285B1 (ja)
GB (1) GB1602134A (ja)
IT (1) IT1096003B (ja)
NL (1) NL188308C (ja)
SE (1) SE438554B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438390A (en) 1981-03-23 1984-03-20 Coulter Electronics, Inc. Tandem sensing zones for improved signal-to-noise ratio in particle analyzer
US4488116A (en) * 1981-09-22 1984-12-11 Mars, Incorporated Inductive coin sensor for measuring more than one parameter of a moving coin
US4510438A (en) * 1982-02-16 1985-04-09 Coulter Electronics, Inc. Coincidence correction in particle analysis system
DE3411936A1 (de) * 1983-03-31 1984-10-11 Eduard Dr.med. Stäfa Bretschger Teilchenzaehleinrichtung und verfahren zu deren betrieb
US4607526A (en) * 1984-12-21 1986-08-26 Allied Corporation Particle analysis system
DE3522186A1 (de) * 1985-06-21 1987-01-02 Hoechst Ag Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen
GB8606299D0 (en) * 1986-03-14 1986-04-23 Holley J E F Scanner
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
CA1315127C (en) * 1989-02-03 1993-03-30 Raynald Hachey Apparatus for particle determination in liquid metals
CA1328679C (en) * 1989-05-18 1994-04-19 Raynald Hachey Apparatus for particle determination in liquid metals
GB2232769B (en) * 1989-06-13 1994-06-22 Timothy Charles Fisher Counting and volume measurement of particles and biological cells,and determination of their deformability
US5376878A (en) * 1991-12-12 1994-12-27 Fisher; Timothy C. Multiple-aperture particle counting sizing and deformability-measuring apparatus
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
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
CA2229528A1 (en) 1998-02-13 1999-08-13 Shailesh Mehta Apparatus and method for analyzing particles
US6259242B1 (en) 1999-05-26 2001-07-10 Coulter International Corp. Apparatus incorporating a sensing conduit in conductive material and method of use thereof for sensing and characterizing particles
EP1721128B1 (en) 2004-03-04 2017-06-28 Novelis, Inc. Electrode configuration for limca
US9121843B2 (en) 2007-05-08 2015-09-01 Trustees Of Boston University Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof
EP2422181A1 (en) * 2009-04-24 2012-02-29 Beckman Coulter, Inc. Method of characterizing particles
CA2808576A1 (en) 2009-09-30 2011-04-07 Quantapore, Inc. Ultrafast sequencing of biological polymers using a labeled nanopore
US9651539B2 (en) 2012-10-28 2017-05-16 Quantapore, Inc. Reducing background fluorescence in MEMS materials by low energy ion beam treatment
US9862997B2 (en) 2013-05-24 2018-01-09 Quantapore, Inc. Nanopore-based nucleic acid analysis with mixed FRET detection
ES2789000T3 (es) 2014-10-10 2020-10-23 Quantapore Inc Análisis de polinucleótidos basado en nanoporos con marcadores fluorescentes que se inactivan mutuamente
JP6757316B2 (ja) 2014-10-24 2020-09-16 クアンタポール, インコーポレイテッド ナノ構造のアレイを使用するポリマーの効率的光学分析
EP3482196B1 (en) 2016-07-05 2022-02-23 Quantapore, Inc. Optically based nanopore sequencing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996917A (en) * 1958-02-13 1961-08-22 Walter P Christoph Electrolytic apparatus for temperature and radiation measurements
US3801901A (en) * 1970-10-27 1974-04-02 Coulter Electronics Particle study apparatus including an axial trajectory sensor
US3821644A (en) * 1971-04-26 1974-06-28 H Gohde Device for automatic counting and measurement of suspended particles
CH546437A (de) * 1972-06-30 1974-02-28 Contraves Ag Verfahren und einrichtung zur kompensation der temperaturabhaengigkeit einer fluessigkeit bei der bestimmung von in derselben suspendierten teilchen.
US3973194A (en) * 1972-08-07 1976-08-03 Becton, Dickinson And Company Particle counter

Also Published As

Publication number Publication date
US4161690A (en) 1979-07-17
ES471120A1 (es) 1979-01-01
FR2396285B1 (ja) 1985-03-08
JPS629850B2 (ja) 1987-03-03
DE2824831A1 (de) 1979-01-04
DK146984C (da) 1984-08-13
DK146984B (da) 1984-03-05
DE2824831C3 (de) 1980-11-06
JPS5412794A (en) 1979-01-30
GB1602134A (en) 1981-11-04
CA1103312A (en) 1981-06-16
IT7824714A0 (it) 1978-06-20
NL188308B (nl) 1991-12-16
FR2396285A1 (ja) 1979-01-26
NL188308C (nl) 1992-05-18
CH614781A5 (ja) 1979-12-14
SE7807163L (sv) 1978-12-28
DE2824831B2 (de) 1980-03-13
DK250878A (da) 1978-12-28
BE867676A (fr) 1978-09-18
IT1096003B (it) 1985-08-17
NL7806472A (nl) 1978-12-29

Similar Documents

Publication Publication Date Title
SE438554B (sv) Anordning for analys av i en vetska suspenderade partiklar, i synnerhet blodkroppar, med avseende pa antal och/eller storlek
US2656508A (en) Means for counting particles suspended in a fluid
US3242729A (en) Electrolytic flowmeter
US9146145B2 (en) Apparatus for determining and/or monitoring a process variable
Pearson “Null” Methods Applied to Corrosion Measurements
US4525666A (en) Cell breakdown
US3739258A (en) Method and apparatus for detecting and sizing microscopic particles
US3722274A (en) Magnetic flow meter
US3255413A (en) Electro-chemical coulometer including differential capacitor measuring elements
CN107466364B (zh) 对颗粒进行计数的设备
US3439267A (en) Automatic hematocrit measuring apparatus
US4041376A (en) Detector for detecting the state of electrically non-conductive or substantially electrically non conductive fluid
US3390326A (en) Particle counting device including fluid conducting means breaking up particle clusters
US3076139A (en) Leak detector
US4237416A (en) Apparatus for counting and sizing particles suspended in a liquid electrolyte
US3854088A (en) Counting and analysis apparatus for particles suspended in an electrolytic liquid
US3961249A (en) Particle size distribution analyzation employing trailing edge differentiation
US4797606A (en) Measuring device for the measurement of the deformability of red blood corpuscles
GB1588170A (en) Apparatus for and method of measuring particle concentration
US3831087A (en) Biological cell analysis
Burr et al. Millivoltmeters
SE433886B (sv) Anordning for metning av gasers stromningshastigheter
KR100829928B1 (ko) 혈액의 헤마토크리트 측정장치 및 방법
US3265962A (en) Method of and apparatus for microsample conductivity measurement
US3462684A (en) Apparatus for detecting the position of an electrochemical coulometer gap

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7807163-6

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7807163-6

Format of ref document f/p: F