DE3062320D1 - Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer - Google Patents

Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer

Info

Publication number
DE3062320D1
DE3062320D1 DE8080900600T DE3062320T DE3062320D1 DE 3062320 D1 DE3062320 D1 DE 3062320D1 DE 8080900600 T DE8080900600 T DE 8080900600T DE 3062320 T DE3062320 T DE 3062320T DE 3062320 D1 DE3062320 D1 DE 3062320D1
Authority
DE
Germany
Prior art keywords
liquid flow
suspension
particle
optics
focussing
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
DE8080900600T
Other languages
German (de)
English (en)
Inventor
Harald B Steen
Tore Lindmo
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.)
Steen Harald B Oslo No Lindmo Tore Sofiemyr
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Application granted granted Critical
Publication of DE3062320D1 publication Critical patent/DE3062320D1/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
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404—Handling flow, e.g. hydrodynamic focusing

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • External Artificial Organs (AREA)
  • Sampling And Sample Adjustment (AREA)
DE8080900600T 1979-04-10 1980-04-10 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer Expired DE3062320D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO791229A NO144002C (no) 1979-04-10 1979-04-10 Anordning for anvendelse ved vaeskestroemsfotometri
PCT/EP1980/000021 WO1980002198A1 (en) 1979-04-10 1980-04-10 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer

Publications (1)

Publication Number Publication Date
DE3062320D1 true DE3062320D1 (en) 1983-04-21

Family

ID=19884812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080900600T Expired DE3062320D1 (en) 1979-04-10 1980-04-10 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer

Country Status (6)

Country Link
EP (1) EP0026770B1 (enExample)
JP (1) JPS6319811B2 (enExample)
AT (1) ATE2806T1 (enExample)
DE (1) DE3062320D1 (enExample)
NO (1) NO144002C (enExample)
WO (1) WO1980002198A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO156916C (no) * 1985-07-10 1987-12-16 Harald B Steen Stroemningskammer for vaeskestroemsfotometer.
DE3718407A1 (de) * 1987-06-02 1988-12-22 Hund Helmut Gmbh Anordnung fuer die optische analyse von partikelpopulationen in gasen und fluessigkeiten
JP4323571B2 (ja) 1997-01-31 2009-09-02 エックスワイ， インコーポレイテッド 光学装置
US6149867A (en) 1997-12-31 2000-11-21 Xy, Inc. Sheath fluids and collection systems for sex-specific cytometer sorting of sperm
US6071689A (en) 1997-12-31 2000-06-06 Xy, Inc. System for improving yield of sexed embryos in mammals
US7208265B1 (en) 1999-11-24 2007-04-24 Xy, Inc. Method of cryopreserving selected sperm cells
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
WO2002043574A2 (en) 2000-11-29 2002-06-06 Xy, Inc. System to separate frozen-thawed spermatozoa into x-chromosome bearing and y-chromosome bearing populations
US8211629B2 (en) 2002-08-01 2012-07-03 Xy, Llc Low pressure sperm cell separation system
US8486618B2 (en) 2002-08-01 2013-07-16 Xy, Llc Heterogeneous inseminate system
CA2534394C (en) 2002-08-15 2013-01-08 Xy, Inc. High resolution flow cytometer
US7169548B2 (en) 2002-09-13 2007-01-30 Xy, Inc. Sperm cell processing and preservation systems
DK2308419T3 (da) 2003-03-28 2016-06-06 Inguran Llc Fremgangsmåde til bedømmelse af farvningstilstandene for dyresperm, som skal sorteres.
EP1625203B1 (en) 2003-05-15 2015-04-08 Xy, Llc Efficient haploid cell sorting for flow cytometer systems
WO2005095590A2 (en) 2004-03-29 2005-10-13 Monsanto Technology Llc Sperm suspensions for sorting into x or y chromosome-bearing enriched populations
AR049732A1 (es) 2004-07-22 2006-08-30 Monsanto Co Proceso para enriquecer una poblacion de celulas de esperma

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919628C3 (de) * 1969-04-18 1975-04-10 Wolfgang Prof. Dr. Dittrich Anordnung zum automatischen Zählen und/oder Klassifizieren von in einem strömungsfähigen Medium dispergierten Teilchen
US3661460A (en) * 1970-08-28 1972-05-09 Technicon Instr Method and apparatus for optical analysis of the contents of a sheathed stream
DE2656263A1 (de) * 1976-12-11 1978-08-24 Max Planck Gesellschaft Vorrichtung zur messung bestimmter eigenschaften von in einem medium suspendierten partikeln

Also Published As

Publication number Publication date
NO144002C (no) 1981-05-27
WO1980002198A1 (en) 1980-10-16
NO791229L (no) 1980-10-13
ATE2806T1 (de) 1983-04-15
NO144002B (no) 1981-02-16
JPS56500582A (enExample) 1981-04-30
JPS6319811B2 (enExample) 1988-04-25
EP0026770B1 (en) 1983-03-16
EP0026770A1 (de) 1981-04-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: STEEN, HARALD B., OSLO, NO LINDMO, TORE, SOFIEMYR,

8339 Ceased/non-payment of the annual fee