DK2863223T3 - Fremgangsmåde til detektering af specifikke stoffer i mælk - Google Patents

Fremgangsmåde til detektering af specifikke stoffer i mælk Download PDF

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Publication number
DK2863223T3
DK2863223T3 DK12878885.8T DK12878885T DK2863223T3 DK 2863223 T3 DK2863223 T3 DK 2863223T3 DK 12878885 T DK12878885 T DK 12878885T DK 2863223 T3 DK2863223 T3 DK 2863223T3
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Denmark
Prior art keywords
milk
antibody
specific substance
bacterium
particle size
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DK12878885.8T
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English (en)
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Koji Maehana
Kenji Matsuyama
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Asahi Chemical Ind
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56911Bacteria
    • G01N33/56938Staphylococcus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/147Microfiltration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366Apparatus specially adapted for solid-phase testing
    • G01N33/54386Analytical elements
    • G01N33/54387Immunochromatographic test strips
    • G01N33/54388Immunochromatographic test strips based on lateral flow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54393Improving reaction conditions or stability, e.g. by coating or irradiation of surface, by reduction of non-specific binding, by promotion of specific binding
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/558Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56911Bacteria
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/08Geometry, shape and general structure
    • B01L2300/0809Geometry, shape and general structure rectangular shaped
    • B01L2300/0825Test strips
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/195Assays involving biological materials from specific organisms or of a specific nature from bacteria
    • G01N2333/305Assays involving biological materials from specific organisms or of a specific nature from bacteria from Micrococcaceae (F)
    • G01N2333/31Assays involving biological materials from specific organisms or of a specific nature from bacteria from Micrococcaceae (F) from Staphylococcus (G)
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/90Enzymes; Proenzymes
    • G01N2333/914Hydrolases (3)
    • G01N2333/948Hydrolases (3) acting on peptide bonds (3.4)
    • G01N2333/95Proteinases, i.e. endopeptidases (3.4.21-3.4.99)
    • G01N2333/952Proteinases, i.e. endopeptidases (3.4.21-3.4.99) derived from bacteria
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Pathology (AREA)
  • Cell Biology (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Virology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Claims (9)

1. Immunokromatografisk fremgangsmåde til detektering af et specifikt stof indeholdt i mælk, som omfatter: (1) trinnet at behandle mælken med et lytisk enzym eller et overfladeaktivt stof til lysering af en bakterie i mælken, (2) trinnet at bringe mælken fra trin (1) i kontakt med en teststrimmel med en første del, der indeholder et mærket første antistof rettet mod det specifikke stof, en andel del, der er anbragt nedstrøms for den første del, på hvilken et andet antistof rettet mod det specifikke stof er immobiliseret, og en tredje del, der er anbragt opstrøms for den første del eller den anden del, og som har hulrum, der muliggør fjernelse af mælkefedt-globuliner indeholdt i mælken, ved den tredje del eller en del, der befinder sig yderligere opstrøms, og (3) trinnet at lade mælken flyde op til den anden del eller en del, der befinder sig yderligere nedstrøms, til opnåelse af et detekterbart signal af mærket ved den anden del eller en del, der befinder sig yderligere nedstrøms, hvor den immunkromatografiske fremgangsmåde er en fremgangsmåde af typen med lateral strømning, det specifikke stof er en bestanddel af en bakterie eller et stof, der udskilles af en bakterie, og retentionspartikelstørrelsen af hulrummene af den tredje del er 1 til 3,5 pm.
2. Fremgangsmåde ifølge krav 1, hvor mindst et eller begge af det første antistof og det andet antistof er monoklonale antistoffer.
3. Fremgangsmåde ifølge krav 2, hvor det første antistof og det andet antistof er monoklonale antistoffer.
4. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 3, hvor den tredje del udgøres af to eller flere typer af elementer, som har hulrum, der kan fjerne mælkefedt-globuliner med forskellige partikelstørrelser.
5. Fremgangsmåde ifølge krav 4, hvor den tredje del udgøres af et første element, der er anbragt nedstrøms, og et andet element, der er anbragt opstrøms, og retentionspartikelstørrelsen af det andet element er større end retentionspartikelstørrelsen af det første element.
6. Fremgangsmåde ifølge krav 5, hvor retentionspartikelstørrelsen af det første element er 1,0 til 2,0 pm, og retentionspartikelstørrelsen af det andet element er 3,0 til 3,5 pm.
7. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 6, hvor det lytiske enzym er et autolysin.
8. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 6, hvor en stafylokok indeholdt i mælken detekteres ved anvendelse af lysostaphin som det lytiske enzym.
9. Detekteringskit bestående af en additivopløsning indeholdende et lytisk enzym eller et overfladeaktivt stof, der er egnet til lysis af en bakterie i mælk, og en immunkromatografisk indretning til detektering af et specifikt stof indeholdt i mælk, som er behandlet med et lytisk enzym eller et overfladeaktivt stof, som omfatter en teststrimmel med en første del, der indeholder et mærket første antistof rettet mod det specifikke stof, en andel del, der er anbragt nedstrøms for den første del, på hvilken et andet antistof rettet mod det specifikke stof er immobiliseret, og en tredje del, der er anbragt opstrøms for den første del eller den anden del, og som har hulrum, der muliggør fjernelse af mælkefedt-globu-liner indeholdt i mælken, hvor den immunkromatografiske indretning er en indretning af typen med lateral strømning, det specifikke stof er en bestanddel af en bakterie eller et stof, der udskilles af en bakterie, hvor detekteringen af det specifikke stof gør det muligt at skelne bakterien fra andre bakterier på arts- eller slægtsniveau; og retentionspartikelstørrelsen af hulrummene af den tredje del er 1 til 3,5 pm.
DK12878885.8T 2012-06-13 2012-06-13 Fremgangsmåde til detektering af specifikke stoffer i mælk DK2863223T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/065150 WO2013186885A1 (ja) 2012-06-13 2012-06-13 乳汁中の特定物質を検出する方法

Publications (1)

Publication Number Publication Date
DK2863223T3 true DK2863223T3 (da) 2018-08-13

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Country Status (9)

Country Link
US (2) US10048262B2 (da)
EP (1) EP2863223B1 (da)
JP (1) JP6081457B2 (da)
BR (1) BR112014029814B1 (da)
DK (1) DK2863223T3 (da)
ES (1) ES2683822T3 (da)
IN (1) IN2014DN10498A (da)
RU (1) RU2617400C2 (da)
WO (1) WO2013186885A1 (da)

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Also Published As

Publication number Publication date
RU2617400C2 (ru) 2017-04-24
US20180321239A1 (en) 2018-11-08
NZ702764A (en) 2016-02-26
EP2863223A1 (en) 2015-04-22
BR112014029814B1 (pt) 2020-12-08
IN2014DN10498A (da) 2015-08-21
EP2863223B1 (en) 2018-07-25
US10545146B2 (en) 2020-01-28
ES2683822T3 (es) 2018-09-28
RU2014150350A (ru) 2016-08-10
JP6081457B2 (ja) 2017-02-15
JPWO2013186885A1 (ja) 2016-02-01
EP2863223A4 (en) 2016-07-20
US10048262B2 (en) 2018-08-14
WO2013186885A1 (ja) 2013-12-19
US20150160212A1 (en) 2015-06-11
BR112014029814A2 (pt) 2018-04-17

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