CA2273481A1 - Capillary having coated inner wall - Google Patents

Capillary having coated inner wall Download PDF

Info

Publication number
CA2273481A1
CA2273481A1 CA002273481A CA2273481A CA2273481A1 CA 2273481 A1 CA2273481 A1 CA 2273481A1 CA 002273481 A CA002273481 A CA 002273481A CA 2273481 A CA2273481 A CA 2273481A CA 2273481 A1 CA2273481 A1 CA 2273481A1
Authority
CA
Canada
Prior art keywords
capillary
wall
coated inner
ionic polymer
adsorbs
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.)
Granted
Application number
CA002273481A
Other languages
French (fr)
Other versions
CA2273481C (en
Inventor
Hiroyuki Katayama
Yasushi Ishihama
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.)
Eisai R&D Management Co Ltd
Original Assignee
Eisai Co., Ltd.
Hiroyuki Katayama
Yasushi Ishihama
Eisai R&D Management Co., Ltd.
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 Eisai Co., Ltd., Hiroyuki Katayama, Yasushi Ishihama, Eisai R&D Management Co., Ltd. filed Critical Eisai Co., Ltd.
Publication of CA2273481A1 publication Critical patent/CA2273481A1/en
Application granted granted Critical
Publication of CA2273481C publication Critical patent/CA2273481C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01N27/44704—Details; Accessories
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
    • Y10T428/1317—Multilayer [continuous layer]
    • Y10T428/1321—Polymer or resin containing [i.e., natural or synthetic]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31536—Including interfacial reaction product of adjacent layers

Abstract

A capillary has polymers adsorbed thereto. This capillary adsorbs alternately an ionic polymer having a positive charge and ionic polymer having a negative charge to the inner wall thereof. A production method of such a capillary is also described.
CA 2273481 1996-12-03 1997-12-03 Capillary having coated inner wall Expired - Fee Related CA2273481C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8/323021 1996-12-03
JP32302196 1996-12-03
PCT/JP1997/004422 WO1998025137A1 (en) 1996-12-03 1997-12-03 Capillary having coated inner wall

Publications (2)

Publication Number Publication Date
CA2273481A1 true CA2273481A1 (en) 1998-06-11
CA2273481C CA2273481C (en) 2007-01-16

Family

ID=18150245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2273481 Expired - Fee Related CA2273481C (en) 1996-12-03 1997-12-03 Capillary having coated inner wall

Country Status (7)

Country Link
US (1) US6586065B1 (en)
EP (1) EP1022562B1 (en)
KR (1) KR100496555B1 (en)
AT (1) ATE370406T1 (en)
CA (1) CA2273481C (en)
DE (1) DE69738029D1 (en)
WO (1) WO1998025137A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7722752B2 (en) * 2004-03-02 2010-05-25 Florida State University Research Foundation Variable charge films for controlling microfluidic flow
CN102879525B (en) 2004-12-13 2014-12-24 拜尔保健有限公司 Self-contained test sensor
EP2060913B1 (en) * 2006-09-04 2016-11-02 National Institute of Advanced Industrial Science and Technology Method for analysis of sample by capillary electrophoresis
US20100155242A1 (en) * 2006-09-04 2010-06-24 Arkray, Inc. Method of Analyzing a Sample by Capillary Electrophoresis
EP2060912B1 (en) * 2006-09-04 2014-10-01 National Institute of Advanced Industrial Science and Technology Method for analysis of sample by capillary electrophoresis
JP2009186445A (en) * 2008-02-08 2009-08-20 Arkray Inc Method of analyzing hemoglobin by capillary electrophoresis, and reagent used for it
US9017536B2 (en) 2006-12-26 2015-04-28 Sekisui Chemical Co., Ltd. Hemoglobin measurement method and electrophoresis apparatus
EP3315197B1 (en) * 2016-10-25 2019-12-04 ARKRAY, Inc. Microchip, analysis system, and method of producing microchip

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015350A (en) * 1989-11-06 1991-05-14 Applied Biosystems, Inc. Flow-rate-controlled surface-charge coating for capillary electrophoresis
DE4026978A1 (en) * 1990-08-25 1992-02-27 Bayer Ag Coated substrates for electro=optical applications, etc.
JPH05288717A (en) * 1992-04-13 1993-11-02 Kurita Water Ind Ltd Capillary coating agent
DE4230403A1 (en) * 1992-09-11 1994-03-17 Studiengesellschaft Kohle Mbh Deactivation of the inner surface of capillaries
US5322608A (en) * 1992-12-23 1994-06-21 Northeastern University Siloxandediol coating for capillary electrophoresis and for general surface modification
EP0723660B1 (en) * 1993-10-14 1998-12-16 Bio-Rad Laboratories, Inc. Suppression of electroendosmosis during electrophoresis in gel-free polymer media by use of charged polymers
US5447617A (en) * 1994-01-25 1995-09-05 Beckman Instruments, Inc. Coated capillary columns and electrophoretic separation methods for their use
JPH0894578A (en) * 1994-09-28 1996-04-12 Yokogawa Analytical Syst Kk Capillary electrophoretic device
US5611903A (en) * 1995-03-22 1997-03-18 Analis S. A. Capillary electrophoresis method using initialized capillary and polyanion-containing buffer and chemical kit therefor

Also Published As

Publication number Publication date
CA2273481C (en) 2007-01-16
WO1998025137A1 (en) 1998-06-11
ATE370406T1 (en) 2007-09-15
EP1022562A1 (en) 2000-07-26
EP1022562B1 (en) 2007-08-15
KR100496555B1 (en) 2005-06-22
EP1022562A4 (en) 2004-10-20
US6586065B1 (en) 2003-07-01
KR20000057353A (en) 2000-09-15
DE69738029D1 (en) 2007-09-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed