DE2049467C3 - Photoelektrisches Zähl- und Meßgerät für mikroskopische Teilchen einer Suspension - Google Patents

Photoelektrisches Zähl- und Meßgerät für mikroskopische Teilchen einer Suspension

Info

Publication number
DE2049467C3
DE2049467C3 DE2049467A DE2049467A DE2049467C3 DE 2049467 C3 DE2049467 C3 DE 2049467C3 DE 2049467 A DE2049467 A DE 2049467A DE 2049467 A DE2049467 A DE 2049467A DE 2049467 C3 DE2049467 C3 DE 2049467C3
Authority
DE
Germany
Prior art keywords
counting
liquid
sample
measuring chamber
sample container
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
DE2049467A
Other languages
German (de)
English (en)
Other versions
DE2049467A1 (de
DE2049467B2 (de
Inventor
David Francesco Palo Alto Calif. Capellaro (V.St.A.)
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.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics 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 Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of DE2049467A1 publication Critical patent/DE2049467A1/de
Publication of DE2049467B2 publication Critical patent/DE2049467B2/de
Application granted granted Critical
Publication of DE2049467C3 publication Critical patent/DE2049467C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE2049467A 1969-10-09 1970-10-08 Photoelektrisches Zähl- und Meßgerät für mikroskopische Teilchen einer Suspension Expired DE2049467C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86509869A 1969-10-09 1969-10-09

Publications (3)

Publication Number Publication Date
DE2049467A1 DE2049467A1 (de) 1971-04-22
DE2049467B2 DE2049467B2 (de) 1974-09-05
DE2049467C3 true DE2049467C3 (de) 1975-04-30

Family

ID=25344712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2049467A Expired DE2049467C3 (de) 1969-10-09 1970-10-08 Photoelektrisches Zähl- und Meßgerät für mikroskopische Teilchen einer Suspension

Country Status (6)

Country Link
US (1) US3669542A (enExample)
JP (1) JPS5124264B1 (enExample)
CA (1) CA939529A (enExample)
DE (1) DE2049467C3 (enExample)
FR (1) FR2065190A5 (enExample)
GB (1) GB1305268A (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826364A (en) * 1972-05-22 1974-07-30 Univ Leland Stanford Junior Particle sorting method and apparatus
US3819270A (en) * 1972-10-02 1974-06-25 Block Engineering Blood cell analyzer
IL48531A (en) * 1975-01-29 1979-09-30 Baxter Travenol Lab Method and apparatus for discriminating against artifacts in optical testing
US4178103A (en) * 1977-03-28 1979-12-11 Chromatix, Inc. Light scattering photometer and sample handling system therefor
US4193288A (en) * 1978-08-21 1980-03-18 Berber Viktor A Apparatus for calibrating instruments for granulometric recording
US4206650A (en) * 1978-08-21 1980-06-10 Berber Viktor A Device for introducing samples into fluid analyzer
DE2837021C2 (de) * 1978-08-24 1982-10-21 Viktor Alekseevič Berber Vorrichtung zum Einführen einer Probe in den Analysator eines Gerätes zur Untersuchung von in einer Flüssigkeit suspendierten Teilchen
SE8102772L (sv) * 1981-05-04 1982-11-05 Sven Staffan Folestad Forfarande for laserinducerad fluoriscensdetektering och anordning for genomforande av forfarandet
US5282151A (en) * 1991-02-28 1994-01-25 Particle Measuring Systems, Inc. Submicron diameter particle detection utilizing high density array
US5247842A (en) * 1991-09-30 1993-09-28 Tsi Incorporated Electrospray apparatus for producing uniform submicrometer droplets
US5407269A (en) * 1992-07-09 1995-04-18 International Business Machine Corporation Dynamic mixing chamber
JP2763468B2 (ja) * 1992-12-25 1998-06-11 株式会社日立製作所 光散乱を用いた液体内の粒子分類装置
GB2315869B (en) * 1996-07-29 2000-10-11 Pall Corp Evaluation of particulate contaminants
JP4057539B2 (ja) * 2004-01-09 2008-03-05 浜松ホトニクス株式会社 シースフローセルキュベット及びその製造方法
GB2411002B (en) * 2004-02-11 2006-12-20 Facility Monitoring Systems Lt Particle counter for liquids
US7340957B2 (en) 2004-07-29 2008-03-11 Los Alamos National Security, Llc Ultrasonic analyte concentration and application in flow cytometry
US7835000B2 (en) * 2006-11-03 2010-11-16 Los Alamos National Security, Llc System and method for measuring particles in a sample stream of a flow cytometer or the like
US8083068B2 (en) 2007-04-09 2011-12-27 Los Alamos National Security, Llc Apparatus for separating particles utilizing engineered acoustic contrast capture particles
US7837040B2 (en) 2007-04-09 2010-11-23 Los Alamos National Security, Llc Acoustic concentration of particles in fluid flow
EP2232231A4 (en) 2007-12-04 2015-12-02 Particle Measuring Syst SYSTEMS AND METHODS FOR DETECTION OF NON-ORTHOGONAL PARTICLES
US8266950B2 (en) 2007-12-19 2012-09-18 Los Alamos National Security, LLP Particle analysis in an acoustic cytometer
DE102018120362A1 (de) * 2018-08-21 2020-02-27 Horiba Europe Gmbh Partikelmesssystem mit einer Verdünnungsvorrichtung und Verfahren zur Partikelmessung
GB2583765A (en) * 2019-05-10 2020-11-11 Alphasense Ltd Filter unit for an opitcal particle counter

Also Published As

Publication number Publication date
CA939529A (en) 1974-01-08
DE2049467A1 (de) 1971-04-22
US3669542A (en) 1972-06-13
FR2065190A5 (enExample) 1971-07-23
DE2049467B2 (de) 1974-09-05
JPS5124264B1 (enExample) 1976-07-22
GB1305268A (enExample) 1973-01-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee