ES2030667T3 - Metodo de separacion de particulas. - Google Patents

Metodo de separacion de particulas.

Info

Publication number
ES2030667T3
ES2030667T3 ES198686309967T ES86309967T ES2030667T3 ES 2030667 T3 ES2030667 T3 ES 2030667T3 ES 198686309967 T ES198686309967 T ES 198686309967T ES 86309967 T ES86309967 T ES 86309967T ES 2030667 T3 ES2030667 T3 ES 2030667T3
Authority
ES
Spain
Prior art keywords
analyte
medium
particles
magnetic
magnetic particles
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 - Lifetime
Application number
ES198686309967T
Other languages
English (en)
Inventor
Edwin F. Ullman
Nurith Kurn
Vartan E. Ghazarossian
Litai Weng
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.)
Syntex USA LLC
Original Assignee
Syntex USA LLC
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 Syntex USA LLC filed Critical Syntex USA LLC
Application granted granted Critical
Publication of ES2030667T3 publication Critical patent/ES2030667T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
    • C12Q1/24—Methods of sampling, or inoculating or spreading a sample; Methods of physically isolating an intact microorganisms
    • 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
    • G01N33/536—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
    • G01N33/537—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody
    • G01N33/538—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody by sorbent column, particles or resin strip, i.e. sorbent materials

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Cell Biology (AREA)
  • Wood Science & Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Steroid Compounds (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

SE DESCRIBE UN METODO PARA SEPARAR UNA SUSTANCIA DE UN MEDIO LIQUIDO. EL METODO COMPRENDE LA COMBINACION DEL MEDIO LIQUIDO QUE CONTIE LA SUSTANCIA CON PARTICULAS MAGNETICAS BAJO CONDICIONES DE ENLACE QUIMICO NO ESPECIFICO DE LAS PARTICULAS MAGNETICAS. DESPUES, EL MEDIO SE SOMETE A UN GRADIENTE DE CAMPO MAGNETICO PARA SEPARAR LAS PARTICULAS DEL MEDIO. EL ENLACE NO ESPECIFICO PREFERIDO SE CONSIGUE COMO RESULTADO DE INTERACCIONES DE CARGA ENTRE LAS PARTICULAS, USUALMENTE POR MEDIO DE UN REACTIVO POLIIONICO. EL METODO DE LA INVENCION TIENE ESPECIAL APLICACION A LA SEPARACION DE CELULAS Y MICROORGANISMOS DE SUSPENSIONES ACUOSAS, Y TAMBIEN PARA LA DETERMINACION DE UN ANALITO EN UNA MUESTRA SOSPECHOSA DE CONTENERLO. EL ANALITO ES UN MIEMBRO DE UN PAR DE ENLACE ESPECIFICO (SBP). LA MUESTRA SE COMBINA EN EL MEDIO DE ENSAYO CON PARTICULAS MAGNETICAS Y UN MIEMBRO SBP COMPLEMENTARIO DEL ANALITO. PARTICULAS MAGNETICA O NO MAGNETICAS CAPACES DE ENLACE ESPECIFICO CON EL ANALITO, O SU MIEMBRO SBP COMPLEMENTARIO SE PUEDEN INCLUIR EN EL MEDIO DE ENSAYO. LA COMBINACION SE HACE BAJO CONDICIONES DE REUNION DE LAS PARTICULAS MAGNETICAS NO ESPECIFICAMENTE, O COREUNION DE LAS PARTICULAS MAGNETICAS Y NO MAGNETICAS CUANDO HAY PARTICULAS NO MAGNETICAS. EL MEDIO DE ENSAYO SE SOMETE A UN GRADIENTE DE CAMPO MAGNETICO PARA SEPARAR LAS PARTICULAS AGREGADAS DEL MEDIO. ENTONCES, EL MEDIO O LAS PARTICULAS SE EXAMINAN PARA DETECTAR LA PRESENCIA O CANTIDAD DE ANALITO O UN MIEMBRO SBP, EL ENLACE DEL CUAL ESTA AFECTADO POR LA PRESENCIA DEL ANALITO.
ES198686309967T 1985-12-20 1986-12-19 Metodo de separacion de particulas. Expired - Lifetime ES2030667T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81120285A 1985-12-20 1985-12-20

Publications (1)

Publication Number Publication Date
ES2030667T3 true ES2030667T3 (es) 1992-11-16

Family

ID=25205867

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198686309967T Expired - Lifetime ES2030667T3 (es) 1985-12-20 1986-12-19 Metodo de separacion de particulas.

Country Status (7)

Country Link
EP (1) EP0230768B1 (es)
JP (1) JP2806924B2 (es)
AT (1) ATE73690T1 (es)
AU (1) AU601386B2 (es)
CA (1) CA1304006C (es)
DE (1) DE3684448D1 (es)
ES (1) ES2030667T3 (es)

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Also Published As

Publication number Publication date
ATE73690T1 (de) 1992-04-15
AU601386B2 (en) 1990-09-13
JP2806924B2 (ja) 1998-09-30
JPS62190466A (ja) 1987-08-20
DE3684448D1 (de) 1992-04-23
EP0230768B1 (en) 1992-03-18
AU6676386A (en) 1987-06-25
CA1304006C (en) 1992-06-23
EP0230768A1 (en) 1987-08-05

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