DE3277550D1 - Isoelectric focusing techniques and devices - Google Patents

Isoelectric focusing techniques and devices

Info

Publication number
DE3277550D1
DE3277550D1 DE8282302559T DE3277550T DE3277550D1 DE 3277550 D1 DE3277550 D1 DE 3277550D1 DE 8282302559 T DE8282302559 T DE 8282302559T DE 3277550 T DE3277550 T DE 3277550T DE 3277550 D1 DE3277550 D1 DE 3277550D1
Authority
DE
Germany
Prior art keywords
devices
isoelectric focusing
focusing techniques
techniques
isoelectric
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
DE8282302559T
Other languages
English (en)
Inventor
A David Hausfeld
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.)
HAUSFELD DAVID A
Original Assignee
HAUSFELD DAVID A
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 HAUSFELD DAVID A filed Critical HAUSFELD DAVID A
Application granted granted Critical
Publication of DE3277550D1 publication Critical patent/DE3277550D1/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44756—Apparatus specially adapted therefor
    • G01N27/44795—Isoelectric focusing

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE8282302559T 1981-06-02 1982-05-19 Isoelectric focusing techniques and devices Expired DE3277550D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/269,478 US4401538A (en) 1981-06-02 1981-06-02 Isoelectric focusing techniques and devices

Publications (1)

Publication Number Publication Date
DE3277550D1 true DE3277550D1 (en) 1987-12-03

Family

ID=23027427

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282302559T Expired DE3277550D1 (en) 1981-06-02 1982-05-19 Isoelectric focusing techniques and devices

Country Status (4)

Country Link
US (1) US4401538A (de)
EP (1) EP0067549B1 (de)
DE (1) DE3277550D1 (de)
IL (1) IL65397A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533447A (en) * 1983-06-13 1985-08-06 Meldon Jerry H Apparatus for and method of isoelectric focussing
US4707233A (en) * 1985-04-29 1987-11-17 Gradiant Pty Limited Device for extraction of electrophoretic fractions
US4670119A (en) * 1985-10-25 1987-06-02 Hurd Stanley M Isoelectric focusing device and process
US4732656A (en) * 1985-10-25 1988-03-22 Bios Corporation Apparatus and process for resolving sample species
US4834862A (en) * 1988-09-12 1989-05-30 Duke University Ampholyte separation method and apparatus
US5160594A (en) * 1989-03-08 1992-11-03 Board Of Regents Of The University Of Texas System Apparatus and methods for isoelectric focusing of amphoteric substances incorporating ion selective membranes in electrode chambers
US4963236A (en) * 1989-03-08 1990-10-16 Ampholife Technologies Apparatus and methods for isoelectric focusing
CA2157373C (en) * 1993-03-05 2005-06-07 Janusz B. Pawliszyn Method and device for isoelectric focusing without carrier ampholytes
US5540826A (en) * 1995-03-15 1996-07-30 Protein Technologies, Inc. Multi-channel separation device
US6513813B1 (en) 2000-05-24 2003-02-04 Large Scale Proteomics Corporation Gel slab sealing strip for an electrophoresis tank
AU2002217067A1 (en) * 2000-11-29 2002-06-11 Proteologics Inc. Method and apparatus for decoupling temperature and electric field in electrophoresis separation
US20070235335A1 (en) * 2002-12-02 2007-10-11 Protasis Corporation Electrophoretic Devices, Instruments and Systems Including Same
WO2004065619A2 (en) * 2003-01-15 2004-08-05 Protasis Corporation Devices and methods for focusing analytes in an electric field gradient ii
US6793791B2 (en) * 2003-02-26 2004-09-21 Milan Bier Variable-volume disposable isoelectric focusing cell and method of isoelectric focusing
US7622028B2 (en) * 2003-05-09 2009-11-24 Life Technologies Corporation Solution phase electrophoresis device, components, and methods
WO2004104548A2 (en) * 2003-05-09 2004-12-02 Invitrogen Corporation Solution phase electrophoresis device, components, and methods
WO2004113898A1 (en) * 2003-05-19 2004-12-29 Protasis Corporation Electrophoresis devices and methods for focusing charged analytes
US20090178929A1 (en) * 2006-06-02 2009-07-16 Koninklijke Philips Electronics N.V. Separation device for isoelectric focusing
US8366899B2 (en) 2007-06-22 2013-02-05 Massachusetts Institute Of Technology Isoelectric focusing systems and methods
US10073797B2 (en) * 2008-02-22 2018-09-11 Nxp Usa, Inc. Data processor device supporting selectable exceptions and method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355375A (en) * 1962-10-09 1967-11-28 Swift & Co Apparatus for electrophoretic fractionation of ampholytes
SE339122B (de) * 1968-05-10 1971-09-27 Lkb Produkter Ab
US3655541A (en) * 1970-01-22 1972-04-11 Beckman Instruments Inc CONTINUOUS ELECTROPHORESIS CELL WITH LATERAL pH GRADIENT
US3664939A (en) * 1970-04-22 1972-05-23 Univ California ISOELECTRIC FOCUSING AND FRACTIONATION AMPHOLYTES IN THERMALLY ENGENDERED pH GRADIENTS
US3844925A (en) * 1973-07-02 1974-10-29 Center For Blood Res Molecular fractionation
US3901780A (en) * 1974-07-10 1975-08-26 Hoffmann La Roche Isoelectric focusing techniques and devices
US4148703A (en) * 1976-02-11 1979-04-10 Morton Weintraub Method of electrophoretic purification of enzymes and peptides by means of an adjustable, specialized, geometrically located electrode system
SE415805B (sv) * 1977-06-01 1980-10-27 Gradient Birgit Och Harry Rilb Forfarande for rening av amfolyter medelst isoelektrisk fokusering samt anordning for utforande av forfarandet
US4204929A (en) * 1978-04-18 1980-05-27 University Patents, Inc. Isoelectric focusing method
US4234400A (en) * 1979-01-26 1980-11-18 The Regents Of The University Of California Horizontal slab gel electrophoresis
US4289596A (en) * 1979-04-11 1981-09-15 The Upjohn Company Horizontal electrophoresis or isoelectric focusing apparatus and method of using same
US4310407A (en) * 1980-05-21 1982-01-12 Olympus Optical Co., Ltd. Electrophoretic apparatus

Also Published As

Publication number Publication date
EP0067549A3 (en) 1984-07-18
US4401538A (en) 1983-08-30
EP0067549A2 (de) 1982-12-22
IL65397A (en) 1985-05-31
EP0067549B1 (de) 1987-10-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee