DE69329135D1 - Verfahren und Vorrichtung zur magnetischen Abscheidung - Google Patents
Verfahren und Vorrichtung zur magnetischen AbscheidungInfo
- Publication number
- DE69329135D1 DE69329135D1 DE69329135T DE69329135T DE69329135D1 DE 69329135 D1 DE69329135 D1 DE 69329135D1 DE 69329135 T DE69329135 T DE 69329135T DE 69329135 T DE69329135 T DE 69329135T DE 69329135 D1 DE69329135 D1 DE 69329135D1
- Authority
- DE
- Germany
- Prior art keywords
- systems
- deposition method
- annular
- particles
- magnetic deposition
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/035—Open gradient magnetic separators, i.e. separators in which the gap is unobstructed, characterised by the configuration of the gap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54326—Magnetic particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/26—Details of magnetic or electrostatic separation for use in medical applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/0098—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor involving analyte bound to insoluble magnetic carrier, e.g. using magnetic separation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
- Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92308727 | 1992-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329135D1 true DE69329135D1 (de) | 2000-09-07 |
DE69329135T2 DE69329135T2 (de) | 2001-01-11 |
Family
ID=8211498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69329135T Expired - Fee Related DE69329135T2 (de) | 1992-09-24 | 1993-09-17 | Verfahren und Vorrichtung zur magnetischen Abscheidung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5458785A (de) |
JP (1) | JPH06198214A (de) |
AT (1) | ATE195081T1 (de) |
CA (1) | CA2106640A1 (de) |
DE (1) | DE69329135T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5897783A (en) * | 1992-09-24 | 1999-04-27 | Amersham International Plc | Magnetic separation method |
US5956204A (en) * | 1995-02-13 | 1999-09-21 | Seagate Technology, Inc. | Magnetic disc drive having magnetic particle trap for hydrodynamic bearing |
US5969903A (en) * | 1995-02-13 | 1999-10-19 | Seagate Technology, Inc. | Magnetic particle trap for hydrodynamic bearing |
US5888835A (en) * | 1996-05-10 | 1999-03-30 | Chiron Diagnostics Corporation | Method and apparatus for wash, resuspension, recollection and localization of magnetizable particles in assays using magnetic separation technology |
US5795784A (en) | 1996-09-19 | 1998-08-18 | Abbott Laboratories | Method of performing a process for determining an item of interest in a sample |
US5856194A (en) | 1996-09-19 | 1999-01-05 | Abbott Laboratories | Method for determination of item of interest in a sample |
US6036857A (en) * | 1998-02-20 | 2000-03-14 | Florida State University Research Foundation, Inc. | Apparatus for continuous magnetic separation of components from a mixture |
EP1671703A3 (de) * | 1998-03-19 | 2006-07-05 | Precision System Science Co., Ltd. | Verfahren zur Herstellung von Substanzen in Trägern |
US6055126A (en) | 1998-07-06 | 2000-04-25 | Seagate Technology, Inc. | Disc drive having hydrodynamic labyrinth seal and magnet shield |
US6776174B2 (en) * | 1998-08-21 | 2004-08-17 | Paul E. Nisson | Apparatus for washing magnetic particles |
US20020012916A1 (en) * | 1998-10-14 | 2002-01-31 | Gundling Gerard J | A method of reducing contamination in an essay vessel |
US6413780B1 (en) * | 1998-10-14 | 2002-07-02 | Abbott Laboratories | Structure and method for performing a determination of an item of interest in a sample |
US5973138A (en) | 1998-10-30 | 1999-10-26 | Becton Dickinson And Company | Method for purification and manipulation of nucleic acids using paramagnetic particles |
US6193892B1 (en) | 1999-03-03 | 2001-02-27 | Promega Corporation | Magnetic separation assembly and method |
US6614337B1 (en) * | 1999-06-29 | 2003-09-02 | Stanley D. Winnard | Magnetic holding device |
DE60026641T2 (de) | 1999-07-15 | 2007-01-25 | Qiagen Gmbh | Verfahren zur Trennung von teilchenförmigen Substraten aus einer Lösung indem man den Teilchenverlust minimiert |
US6672458B2 (en) * | 2000-05-19 | 2004-01-06 | Becton, Dickinson And Company | System and method for manipulating magnetically responsive particles fluid samples to collect DNA or RNA from a sample |
US6954128B2 (en) * | 2001-11-30 | 2005-10-11 | The Regents Of The University Of California | High performance hybrid magnetic structure for biotechnology applications |
US7148778B2 (en) * | 2001-11-30 | 2006-12-12 | The Regents Of The University Of California | High performance hybrid magnetic structure for biotechnology applications |
AU2003226075B2 (en) | 2002-04-12 | 2008-09-25 | Instrumentation Laboratory Company | Immunoassay probe |
EP2500076B1 (de) * | 2002-04-26 | 2017-11-01 | Abbott Laboratories | Struktur und Verfahren zur Handhabung magnetischer Partikel in biologischen Tests |
US7119645B2 (en) * | 2003-02-25 | 2006-10-10 | The University Of North Carolina | Methods and systems for controlling motion of and tracking a mechanically unattached probe |
FI20031635A0 (fi) * | 2003-11-11 | 2003-11-11 | Thermo Electron Oy | Partikkelien erotusväline |
US20050266394A1 (en) * | 2003-12-24 | 2005-12-01 | Massachusette Institute Of Technology | Magnetophoretic cell clarification |
US8211386B2 (en) | 2004-06-08 | 2012-07-03 | Biokit, S.A. | Tapered cuvette and method of collecting magnetic particles |
US8152305B2 (en) * | 2004-07-16 | 2012-04-10 | The University Of North Carolina At Chapel Hill | Methods, systems, and computer program products for full spectrum projection |
EP1842596B1 (de) * | 2004-12-22 | 2019-01-23 | Giamag Technologies AS | Stofftrennungsvorrichtung zur erzeugung eines magnetfeldes mit hohem gradienten |
US8490469B2 (en) * | 2007-02-22 | 2013-07-23 | The University Of North Carolina | Methods and systems for multiforce high throughput screening |
US9199247B2 (en) * | 2007-05-29 | 2015-12-01 | Invitrogen Dynal As | Magnetic separation rack |
GB0724404D0 (en) * | 2007-05-29 | 2008-01-30 | Invitrogen Dynal As | A sample vessel retaining portion |
US7883265B2 (en) * | 2007-06-01 | 2011-02-08 | Applied Biosystems, Llc | Devices, systems, and methods for preparing emulsions |
US8440469B2 (en) * | 2007-06-18 | 2013-05-14 | Morpho Detection, Inc. | System and method for increasing spectroscopic signal |
US20100282685A1 (en) * | 2007-07-25 | 2010-11-11 | Halaka Folim G | Magnetic mixer |
EP2030689B1 (de) * | 2007-08-31 | 2013-02-13 | Tecan Trading AG | Mikroplatten-Träger mit Magneten |
US20100077843A1 (en) * | 2008-03-31 | 2010-04-01 | Doraisamy Loganathan | Substance identification apparatus and methods of using |
AU2009257644B2 (en) | 2008-06-09 | 2015-05-07 | Qiagen Gaithersburg, Inc. | Magnetic microplate assembly |
JP5511949B2 (ja) | 2009-06-25 | 2014-06-04 | ザ ユニバーシティ オブ ノース カロライナ アット チャペル ヒル | 体液レオロジーを評価するための、作動され表面に付着したポストを使用するための方法及びシステム |
US8083069B2 (en) * | 2009-07-31 | 2011-12-27 | General Electric Company | High throughput magnetic isolation technique and device for biological materials |
CN104395736B (zh) * | 2012-06-29 | 2018-12-11 | 皇家飞利浦有限公司 | 对结合的磁性粒子和未结合的磁性粒子进行处理 |
EP2926115B1 (de) | 2012-11-30 | 2021-05-26 | The University of North Carolina At Chapel Hill | Verfahren und systeme zur bestimmung der physikalischer eigenschaften einer probe in einer tragbaren point-of-care-diagnosevorrichtung |
WO2017158425A1 (en) | 2016-03-18 | 2017-09-21 | Andrew Alliance S.A. | Methods and apparatus for bead manipulation in a tip of a liquid handler |
US20190270084A1 (en) * | 2018-03-03 | 2019-09-05 | Yuchen Zhou | Methods and apparatus to separate biological entities |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3981776A (en) * | 1967-02-16 | 1976-09-21 | Rolf Saxholm | Magnetically responsive, biologically active substance and associated methods and apparatus |
CH663476A5 (fr) * | 1985-07-08 | 1987-12-15 | Serono Diagnostics Ltd | Enceinte pour le dosage d'anticorps ou d'antigenes dans un liquide biologique. |
NO168811C (no) * | 1989-05-31 | 1992-04-08 | Dynal As | Separasjonsanordning for separering av magnetiserbare partikler |
DE3925093C2 (de) * | 1989-07-28 | 1995-03-30 | Roland Dipl Phys Hartig | Vorrichtung zur Trennung von an magnetischen Partikeln (Beads) gebundenem biologischem Material in einem Magnetfeld |
GB8927744D0 (en) * | 1989-12-07 | 1990-02-07 | Diatec A S | Process and apparatus |
GB9003253D0 (en) * | 1990-02-13 | 1990-04-11 | Amersham Int Plc | Precipitating polymers |
WO1992005443A1 (en) * | 1990-09-15 | 1992-04-02 | Medical Research Council | Reagent separation |
EP0479448A3 (en) * | 1990-10-02 | 1992-12-23 | Beckman Instruments, Inc. | Magnetic separation device |
-
1993
- 1993-09-17 DE DE69329135T patent/DE69329135T2/de not_active Expired - Fee Related
- 1993-09-17 AT AT93307372T patent/ATE195081T1/de not_active IP Right Cessation
- 1993-09-21 CA CA002106640A patent/CA2106640A1/en not_active Abandoned
- 1993-09-24 US US08/125,811 patent/US5458785A/en not_active Expired - Fee Related
- 1993-09-24 JP JP5238243A patent/JPH06198214A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2106640A1 (en) | 1994-03-25 |
US5458785A (en) | 1995-10-17 |
JPH06198214A (ja) | 1994-07-19 |
ATE195081T1 (de) | 2000-08-15 |
DE69329135T2 (de) | 2001-01-11 |
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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 |