ATE286251T1 - Immuntest unter verwendung von partikeln mit kaseinumhüllungen - Google Patents

Immuntest unter verwendung von partikeln mit kaseinumhüllungen

Info

Publication number
ATE286251T1
ATE286251T1 AT00905717T AT00905717T ATE286251T1 AT E286251 T1 ATE286251 T1 AT E286251T1 AT 00905717 T AT00905717 T AT 00905717T AT 00905717 T AT00905717 T AT 00905717T AT E286251 T1 ATE286251 T1 AT E286251T1
Authority
AT
Austria
Prior art keywords
casein
particles
immunoassays
active ingredients
developed
Prior art date
Application number
AT00905717T
Other languages
English (en)
Inventor
Wei-Chao Ni
Daniel W Eustace
Steve Chin-Shen Chang
Original Assignee
Bayer Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22373666&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE286251(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of ATE286251T1 publication Critical patent/ATE286251T1/de

Links

Classifications

    • 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
    • G01N33/54333—Modification of conditions of immunological binding reaction, e.g. use of more than one type of particle, use of chemical agents to improve binding, choice of incubation time or application of magnetic field during binding reaction
    • 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
    • G01N33/5434—Magnetic particles using magnetic particle immunoreagent carriers which constitute new materials per se
    • 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
    • G01N33/54393—Improving reaction conditions or stability, e.g. by coating or irradiation of surface, by reduction of non-specific binding, by promotion of specific binding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/435—Assays involving biological materials from specific organisms or of a specific nature from animals; from humans
    • G01N2333/46—Assays involving biological materials from specific organisms or of a specific nature from animals; from humans from vertebrates
    • G01N2333/47—Assays involving proteins of known structure or function as defined in the subgroups
    • G01N2333/4701—Details
    • G01N2333/4731—Casein
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/80—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids
    • G01N2446/84—Polymer coating, e.g. gelatin
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/963—Methods of stopping an enzyme reaction or stabilizing the test materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/807—Apparatus included in process claim, e.g. physical support structures
    • Y10S436/81—Tube, bottle, or dipstick
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
    • Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
    • Y10S530/815—Carrier is a synthetic polymer
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
AT00905717T 1999-01-27 2000-01-26 Immuntest unter verwendung von partikeln mit kaseinumhüllungen ATE286251T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11757899P 1999-01-27 1999-01-27
PCT/US2000/001749 WO2000045171A1 (en) 1999-01-27 2000-01-26 Immunoassays using casein coating of particles

Publications (1)

Publication Number Publication Date
ATE286251T1 true ATE286251T1 (de) 2005-01-15

Family

ID=22373666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00905717T ATE286251T1 (de) 1999-01-27 2000-01-26 Immuntest unter verwendung von partikeln mit kaseinumhüllungen

Country Status (7)

Country Link
US (2) US6461874B1 (de)
EP (1) EP1064552B1 (de)
JP (1) JP2002535678A (de)
AT (1) ATE286251T1 (de)
AU (1) AU2736000A (de)
DE (1) DE60017017T2 (de)
WO (1) WO2000045171A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6815063B1 (en) 1996-11-16 2004-11-09 Nanomagnetics, Ltd. Magnetic fluid
US6713173B2 (en) 1996-11-16 2004-03-30 Nanomagnetics Limited Magnetizable device
US6986942B1 (en) 1996-11-16 2006-01-17 Nanomagnetics Limited Microwave absorbing structure
GB2319253A (en) 1996-11-16 1998-05-20 Eric Leigh Mayes Composition, for use in a device, comprising a magnetic layer of domain-separated magnetic particles
IES20050816A2 (en) * 2005-12-06 2007-05-16 Trinity Res Ltd A method for preparing microbeads for use in an assay for determining the presence of antibodies to human immunodeficiency virus in a sample
EP2033619A1 (de) * 2007-08-24 2009-03-11 Basf Se Verfahren zum Dispergieren von ionischen Nanopartikeln
WO2011030007A1 (fr) * 2009-09-10 2011-03-17 Calone-Bonneau, Marguerite Procédé de polymérisation, notamment d'auxiliaires oneologiques et polymères obtenus par ce procédé
KR101444424B1 (ko) 2011-10-14 2014-09-29 한국생명공학연구원 두 종 입자를 이용한 다기능 생체물질 접합체의 제조방법 및 이로부터 제조된 다기능 생체물질 접합체
CN107614458B (zh) 2015-05-01 2021-05-11 百进生物科技公司 稳定的纳米磁性颗粒分散体
CN109312293B (zh) * 2016-04-30 2022-09-16 百进生物科技公司 用于进行磁浮分离的组合物和方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH587021A5 (de) * 1974-06-07 1977-04-29 Nestle Sa
US4096586A (en) * 1976-03-04 1978-06-20 Societe D'assistance Technique Pour Produits Nestle S.A. Solubilization of casein
US4459361A (en) 1982-06-04 1984-07-10 Angenics, Inc. Ligand assay with one or two particulate reagents and filter
US4554088A (en) 1983-05-12 1985-11-19 Advanced Magnetics Inc. Magnetic particles for use in separations
US4628037A (en) 1983-05-12 1986-12-09 Advanced Magnetics, Inc. Binding assays employing magnetic particles
US4618502A (en) * 1984-08-08 1986-10-21 Beach Marvin F Process for converting casein to caseinate
US4842758A (en) * 1986-10-31 1989-06-27 Colgate-Palmolive Company Stabilized enzyme system for use in aqueous liquid built detergent compositions
US4828980A (en) 1987-09-18 1989-05-09 Eastman Kodak Company Membrane structure coated with low pI protein or carbohydrate and methods of making and use
US4812414A (en) 1987-09-18 1989-03-14 Eastman Kodak Company Immunoreactive reagent particles having tracer, receptor molecules and protein of pI less than 6
DE3715485A1 (de) 1987-05-09 1988-11-17 Boehringer Mannheim Gmbh Stabilisierung von ss-galactosidase
MY104234A (en) 1988-11-17 1994-02-28 Becton Dickinson Co Immunoassay on a preblocked solid surface
US5939272A (en) * 1989-01-10 1999-08-17 Biosite Diagnostics Incorporated Non-competitive threshold ligand-receptor assays
DE3919393A1 (de) * 1989-06-14 1990-12-20 Hoechst Ag Verfahren zur stabilisierung von auf festphasen immobilisierten biologisch aktiven substanzen
US5164299A (en) * 1990-03-20 1992-11-17 E. I. Du Pont De Nemours And Company Use of a mixture of conjugated and unconjugated solid phase binding reagent to enhance the performance of assays
US5091318A (en) * 1990-04-13 1992-02-25 Abbott Laboratories Binding of allergens to a solid phase
US5541072A (en) * 1994-04-18 1996-07-30 Immunivest Corporation Method for magnetic separation featuring magnetic particles in a multi-phase system
JPH08507148A (ja) * 1993-02-17 1996-07-30 カーディオヴァスキュラー ダイアグノスティクス，インク． 固相化学カスケードイムノアッセイおよびアフィニティアッセイ
US5480872A (en) * 1993-05-28 1996-01-02 Abbott Laboratories Method of providing enternal nutritional support to persons infected with human immunodeficiency virus
US5445936A (en) 1993-09-15 1995-08-29 Ciba Corning Diagnostics Corp. Method for non-competitive binding assays
DE59508069D1 (de) * 1994-07-27 2000-04-27 Herbert Pilgrimm Superparamagnetische teilchen, verfahren zur herstellung und deren verwendung
US5639626A (en) * 1994-11-15 1997-06-17 Chiron Diagnostics Corporation Reagents for specific binding assays
US5635363A (en) * 1995-02-28 1997-06-03 The Board Of Trustees Of The Leland Stanford Junior University Compositions and methods for the detection, quantitation and purification of antigen-specific T cells
US5851777A (en) * 1996-02-05 1998-12-22 Dade Behring Inc. Homogeneous sol-sol assay

Also Published As

Publication number Publication date
US6461874B1 (en) 2002-10-08
DE60017017D1 (de) 2005-02-03
WO2000045171A1 (en) 2000-08-03
EP1064552B1 (de) 2004-12-29
US6756234B2 (en) 2004-06-29
US20020090638A1 (en) 2002-07-11
DE60017017T2 (de) 2006-04-13
EP1064552A1 (de) 2001-01-03
AU2736000A (en) 2000-08-18
JP2002535678A (ja) 2002-10-22

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