CA1206559A - Method of and apparatus for detecting change in the breakoff point of a droplet generation system - Google Patents

Method of and apparatus for detecting change in the breakoff point of a droplet generation system

Info

Publication number
CA1206559A
CA1206559A CA000421053A CA421053A CA1206559A CA 1206559 A CA1206559 A CA 1206559A CA 000421053 A CA000421053 A CA 000421053A CA 421053 A CA421053 A CA 421053A CA 1206559 A CA1206559 A CA 1206559A
Authority
CA
Canada
Prior art keywords
stream
radiation
jet stream
amplitude
undulation
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
CA000421053A
Other languages
English (en)
French (fr)
Inventor
Robert E. Auer
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 Corp
Original Assignee
Coulter Corp
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 Corp filed Critical Coulter Corp
Application granted granted Critical
Publication of CA1206559A publication Critical patent/CA1206559A/en
Expired legal-status Critical Current

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
    • G01N15/14Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404Handling flow, e.g. hydrodynamic focusing
    • 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
    • G01N15/14Optical investigation techniques, e.g. flow cytometry
    • G01N15/149Optical investigation techniques, e.g. flow cytometry specially adapted for sorting particles, e.g. by their size or optical properties
    • 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
    • G01N15/14Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404Handling flow, e.g. hydrodynamic focusing
    • G01N2015/1406Control of droplet point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
CA000421053A 1983-03-04 1983-02-07 Method of and apparatus for detecting change in the breakoff point of a droplet generation system Expired CA1206559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833307789 DE3307789A1 (de) 1983-03-04 1983-03-04 Verfahren und vorrichtung zur anzeige einer aenderung des zerfallpunktes in einem tropfenerzeugungssystem

Publications (1)

Publication Number Publication Date
CA1206559A true CA1206559A (en) 1986-06-24

Family

ID=6192580

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000421053A Expired CA1206559A (en) 1983-03-04 1983-02-07 Method of and apparatus for detecting change in the breakoff point of a droplet generation system

Country Status (8)

Country Link
JP (1) JPS59159046A (enrdf_load_stackoverflow)
AU (1) AU563027B2 (enrdf_load_stackoverflow)
CA (1) CA1206559A (enrdf_load_stackoverflow)
CH (1) CH654925A5 (enrdf_load_stackoverflow)
DE (1) DE3307789A1 (enrdf_load_stackoverflow)
FR (1) FR2542110B1 (enrdf_load_stackoverflow)
GB (1) GB2136561B (enrdf_load_stackoverflow)
NL (1) NL8300783A (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512090C1 (de) * 1985-04-03 1986-10-02 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Schaltungsanordnung zur Aufbereitung von gleichzeitig zur Verarbeitung anstehenden sehr unterschiedlich grossen Signalamplituden
ATE298084T1 (de) 1997-01-31 2005-07-15 Horticulture & Food Res Inst Optische vorrichtung und methode
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
US7208265B1 (en) 1999-11-24 2007-04-24 Xy, Inc. Method of cryopreserving selected sperm cells
AU760689B2 (en) * 2000-03-28 2003-05-22 Matsushita Electric Works Ltd. Particle sensor
AU3768902A (en) 2000-11-29 2002-06-11 Xy Inc 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
GB2388585A (en) * 2002-05-17 2003-11-19 Unilever Plc Dosing system with multi-spout nozzle
EP2283724B8 (en) 2002-08-01 2016-03-16 Xy, Llc Heterospermic insemination to assess sperm function
US8486618B2 (en) 2002-08-01 2013-07-16 Xy, Llc Heterogeneous inseminate system
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
US7758811B2 (en) 2003-03-28 2010-07-20 Inguran, Llc System for analyzing particles using multiple flow cytometry units
NZ544103A (en) 2003-05-15 2010-10-29 Xy Llc Efficient haploid cell sorting for flow cytometer systems
CA2561661C (en) 2004-03-29 2015-11-24 Monsanto Technology Llc Sperm suspensions for sorting into x or y chromosome-bearing enriched populations
EP1769067A2 (en) 2004-07-22 2007-04-04 Monsanto Technology LLC Process for enriching a population of sperm cells

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380584A (en) * 1965-06-04 1968-04-30 Atomic Energy Commission Usa Particle separator
BE793185A (fr) * 1971-12-23 1973-04-16 Atomic Energy Commission Appareil pour analyser et trier rapidement des particules telles que des cellules biologiques
US3963606A (en) * 1974-06-03 1976-06-15 Coulter Electronics, Inc. Semi-automatic adjusting delay for an electronic particle separator
NL180704C (nl) * 1976-06-14 Coulter Electronics Inrichting voor gelijktijdige optische meting van kenmerken van zich in een suspensie bevindende deeltjes.
US4047183A (en) * 1976-11-04 1977-09-06 International Business Machines Corporation Method and apparatus for controlling the formation and shape of droplets in an ink jet stream
US4318480A (en) * 1979-08-20 1982-03-09 Ortho Diagnostics, Inc. Method and apparatus for positioning the point of droplet formation in the jetting fluid of an electrostatic sorting device

Also Published As

Publication number Publication date
NL8300783A (nl) 1984-10-01
FR2542110A1 (fr) 1984-09-07
GB8303440D0 (en) 1983-03-16
JPH0324626B2 (enrdf_load_stackoverflow) 1991-04-03
CH654925A5 (fr) 1986-03-14
GB2136561A (en) 1984-09-19
AU1124483A (en) 1984-08-16
DE3307789A1 (de) 1984-09-06
DE3307789C2 (enrdf_load_stackoverflow) 1991-09-19
AU563027B2 (en) 1987-06-25
FR2542110B1 (fr) 1988-11-04
GB2136561B (en) 1986-06-25
JPS59159046A (ja) 1984-09-08

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Legal Events

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