DE69217197T2 - Vorrichtung und verfahren zur verbesserten probenkonzentrierung bei kapillarelektrophorese - Google Patents
Vorrichtung und verfahren zur verbesserten probenkonzentrierung bei kapillarelektrophoreseInfo
- Publication number
- DE69217197T2 DE69217197T2 DE69217197T DE69217197T DE69217197T2 DE 69217197 T2 DE69217197 T2 DE 69217197T2 DE 69217197 T DE69217197 T DE 69217197T DE 69217197 T DE69217197 T DE 69217197T DE 69217197 T2 DE69217197 T2 DE 69217197T2
- Authority
- DE
- Germany
- Prior art keywords
- capillary electrophoresis
- sample concentration
- improved sample
- improved
- concentration
- 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 - Fee Related
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
- G01N27/44773—Multi-stage electrophoresis, e.g. two-dimensional electrophoresis
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)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/771,575 US5116471A (en) | 1991-10-04 | 1991-10-04 | System and method for improving sample concentration in capillary electrophoresis |
PCT/US1992/008371 WO1993007478A1 (en) | 1991-10-04 | 1992-09-30 | System and method for improving sample concentration in capillary electrophoresis |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69217197D1 DE69217197D1 (de) | 1997-03-13 |
DE69217197T2 true DE69217197T2 (de) | 1997-05-22 |
Family
ID=25092260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69217197T Expired - Fee Related DE69217197T2 (de) | 1991-10-04 | 1992-09-30 | Vorrichtung und verfahren zur verbesserten probenkonzentrierung bei kapillarelektrophorese |
Country Status (5)
Country | Link |
---|---|
US (1) | US5116471A (de) |
EP (1) | EP0560974B1 (de) |
JP (1) | JPH06505563A (de) |
DE (1) | DE69217197T2 (de) |
WO (1) | WO1993007478A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7273749B1 (en) * | 1990-06-04 | 2007-09-25 | University Of Utah Research Foundation | Container for carrying out and monitoring biological processes |
US6787338B2 (en) | 1990-06-04 | 2004-09-07 | The University Of Utah | Method for rapid thermal cycling of biological samples |
US5935522A (en) * | 1990-06-04 | 1999-08-10 | University Of Utah Research Foundation | On-line DNA analysis system with rapid thermal cycling |
US7081226B1 (en) | 1996-06-04 | 2006-07-25 | University Of Utah Research Foundation | System and method for fluorescence monitoring |
US5340452A (en) * | 1991-02-01 | 1994-08-23 | Beckman Instruments, Inc. | On-column preconcentration of samples in capillary electrophoresis |
CA2144174A1 (en) * | 1992-09-14 | 1994-03-31 | Jianmin Bao | Electrophoretically mediated chemical analysis |
US5958202A (en) * | 1992-09-14 | 1999-09-28 | Perseptive Biosystems, Inc. | Capillary electrophoresis enzyme immunoassay |
US5376249A (en) * | 1992-11-25 | 1994-12-27 | Perseptive Biosystems, Inc. | Analysis utilizing isoelectric focusing |
US5505831A (en) * | 1993-01-26 | 1996-04-09 | Bio-Rad Laboratories, Inc. | Concentration of biological samples on a microliter scale and analysis by capillary electrophoresis |
AU663260B2 (en) * | 1993-05-05 | 1995-09-28 | Amrad Operations Pty. Limited | Electrophoretic resolution of charged molecules |
WO1994025144A1 (en) * | 1993-05-05 | 1994-11-10 | Amrad Corporation Limited | Electrophoretic resolution of charged molecules |
US5573651A (en) * | 1995-04-17 | 1996-11-12 | The Dow Chemical Company | Apparatus and method for flow injection analysis |
NZ502323A (en) * | 1996-06-04 | 2001-09-28 | Univ Utah Res Found | Monitoring a fluorescence energy transfer pair during hybridization of first probe labelled with fluorescein to second probe labelled with Cy5 or Cy5.5 |
US5779868A (en) * | 1996-06-28 | 1998-07-14 | Caliper Technologies Corporation | Electropipettor and compensation means for electrophoretic bias |
WO1998000705A1 (en) | 1996-06-28 | 1998-01-08 | Caliper Technologies Corporation | Electropipettor and compensation means for electrophoretic bias |
US5869004A (en) | 1997-06-09 | 1999-02-09 | Caliper Technologies Corp. | Methods and apparatus for in situ concentration and/or dilution of materials in microfluidic systems |
US6890411B1 (en) | 1998-06-11 | 2005-05-10 | Arizona Board Of Regents | Control of flow and materials for micro devices |
US6062261A (en) * | 1998-12-16 | 2000-05-16 | Lockheed Martin Energy Research Corporation | MicrofluIdic circuit designs for performing electrokinetic manipulations that reduce the number of voltage sources and fluid reservoirs |
US6428666B1 (en) | 1999-02-22 | 2002-08-06 | Sandia National Laboratories | Electrokinetic concentration of charged molecules |
US6322683B1 (en) | 1999-04-14 | 2001-11-27 | Caliper Technologies Corp. | Alignment of multicomponent microfabricated structures |
US6790328B2 (en) * | 2000-01-12 | 2004-09-14 | Ut-Battelle, Llc | Microfluidic device and method for focusing, segmenting, and dispensing of a fluid stream |
US6875348B2 (en) * | 2000-02-18 | 2005-04-05 | The Board Of Trustees Of The Leland Stanford Junior University | Separation column having a photopolymerized sol-gel component and associated methods |
US6866785B2 (en) * | 2001-08-13 | 2005-03-15 | The Board Of Trustees Of The Leland Stanford Junior University | Photopolymerized sol-gel column and associated methods |
EP1126275A3 (de) * | 2000-02-18 | 2002-12-18 | The Board Of Trustees Of The Leland Stanford Junior University | Kapillarsäule aus geschmolzenem Siliziumdioxid mit Photopolymerbestandteilen |
US20030057092A1 (en) * | 2000-10-31 | 2003-03-27 | Caliper Technologies Corp. | Microfluidic methods, devices and systems for in situ material concentration |
US20050011761A1 (en) * | 2000-10-31 | 2005-01-20 | Caliper Technologies Corp. | Microfluidic methods, devices and systems for in situ material concentration |
ATE432466T1 (de) * | 2000-10-31 | 2009-06-15 | Caliper Life Sciences Inc | Mikrofluidisches verfahren für in-situ- materialkonzentration |
US20020070166A1 (en) * | 2000-12-07 | 2002-06-13 | Board Of Governors Of The University Of Alberta | Sample purification on a microfluidic device |
US6881317B2 (en) * | 2000-12-18 | 2005-04-19 | The Trustees Of Princeton University | Fractionation of macro-molecules using asymmetric pulsed field electrophoresis |
US20030062833A1 (en) * | 2001-10-03 | 2003-04-03 | Wen-Yen Tai | Mini-type decorative bulb capable of emitting light through entire circumferential face |
US7597791B2 (en) * | 2001-10-19 | 2009-10-06 | The Trustees Of Princeton University | Method and apparatus for generating electric fields and flow distributions for rapidly separating molecules |
US6719535B2 (en) * | 2002-01-31 | 2004-04-13 | Eksigent Technologies, Llc | Variable potential electrokinetic device |
JP3780226B2 (ja) * | 2002-05-31 | 2006-05-31 | 株式会社日立ハイテクノロジーズ | 電気泳動装置、及び電気泳動方法 |
US7235164B2 (en) | 2002-10-18 | 2007-06-26 | Eksigent Technologies, Llc | Electrokinetic pump having capacitive electrodes |
US20040259269A1 (en) * | 2003-06-20 | 2004-12-23 | Groton Biosystems | Method for detection of molecular species in a crude sample using capillary electrophoresis |
US20050127002A1 (en) * | 2003-12-12 | 2005-06-16 | Zare Richard N. | Immobilized-enzyme microreactor devices for characterization of biomolecular analytes and associated methods |
WO2007062182A2 (en) * | 2005-11-23 | 2007-05-31 | Eksigent Technologies, Llp | Electrokinetic pump designs and drug delivery systems |
US20070284308A1 (en) * | 2006-06-12 | 2007-12-13 | Zare Richard N | Immobilized-enzyme microreactor devices for characterization of biomolecular analytes and associated methods |
US7867592B2 (en) | 2007-01-30 | 2011-01-11 | Eksigent Technologies, Inc. | Methods, compositions and devices, including electroosmotic pumps, comprising coated porous surfaces |
WO2009076134A1 (en) * | 2007-12-11 | 2009-06-18 | Eksigent Technologies, Llc | Electrokinetic pump with fixed stroke volume |
WO2011150424A1 (en) * | 2010-05-28 | 2011-12-01 | Mehdi Moini | Handheld/portable ultrafast capillary electrophoresis with adjustable porous tip in conjunction with mass spectrometry |
EP2704759A4 (de) | 2011-05-05 | 2015-06-03 | Eksigent Technologies Llc | Gelkupplung für elektrokinetische abgabesysteme |
CN104049025A (zh) * | 2014-01-23 | 2014-09-17 | 杭州师范大学 | 微量注射泵驱动液流的毛细管电泳分析系统 |
CN109444246B (zh) * | 2018-11-01 | 2023-11-21 | 宁波大学 | 一种基于电压极性转换的瞬态毛细管等速电泳装置及方法 |
-
1991
- 1991-10-04 US US07/771,575 patent/US5116471A/en not_active Expired - Lifetime
-
1992
- 1992-09-30 JP JP5507057A patent/JPH06505563A/ja active Pending
- 1992-09-30 EP EP92921871A patent/EP0560974B1/de not_active Expired - Lifetime
- 1992-09-30 DE DE69217197T patent/DE69217197T2/de not_active Expired - Fee Related
- 1992-09-30 WO PCT/US1992/008371 patent/WO1993007478A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0560974A4 (en) | 1994-06-08 |
DE69217197D1 (de) | 1997-03-13 |
EP0560974B1 (de) | 1997-01-29 |
EP0560974A1 (de) | 1993-09-22 |
US5116471A (en) | 1992-05-26 |
WO1993007478A1 (en) | 1993-04-15 |
JPH06505563A (ja) | 1994-06-23 |
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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 | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: VARIAN, INC., PALO ALTO, CALIF., US |