KR100436567B1 - 다중필터를 이용한 경쟁여과면역분석법 및 이에 이용되는면역분석용 키트 - Google Patents
다중필터를 이용한 경쟁여과면역분석법 및 이에 이용되는면역분석용 키트 Download PDFInfo
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- 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
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- 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
- G01N33/5306—Improving reaction conditions, e.g. reduction of non-specific binding, promotion of specific binding
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
Claims (8)
- (1) 분석물질과의 면역반응에 의한 포획기능과 신호발생원인 효소와의 결합에 의한 탐지기능을 모두 갖는 한 종류의 항체와 상기의 신호발생원인 효소가 접합된 항체-효소 접합체를 분석물질이 포함된 액상의 시료에 가하여 면역반응 시키고,(2) 상기 (1) 단계에서 얻은 분석물질과 항체-효소 접합체 간의 면역결합체 및 미반응 항체-효소 접합체를 포함하는 혼합액을 예비여과 기능의 프리필터와 면역결합체 제거를 위한 여과용 멤브레인 필터에 차례로 통과시켜 면역결합체와 기타 면역응집물을 제거시킨 후,(3) 상기 (2) 단계에서 여과된 미반응 항체-효소 접합체를 분석물질을 고정화시킨 포획용 멤브레인에서 면역반응 시킴으로써 포획한 후,(4) 상기 (3) 단계에서 만들어진 면역결합체에 포함된 효소에 특이적인 기질을 가하여 얻은 효소-기질반응을 통해 분석물질의 유무 및 농도를 측정하는 단계를 포함하는 경쟁여과면역분석방법.
- (1) 분석물질과의 면역반응에 의한 포획기능과 신호발생원인 효소와의 결합에 의한 탐지기능을 모두 갖는 한 종류의 리간드와 상기의 신호발생원인 효소가 접합된 리간드-효소 접합체를 분석물질이 포함된 액상의 시료에 가하여 면역반응 시키고,(2) 상기 (1) 단계에서 얻은 분석물질과 리간드-효소 접합체 간의 면역결합체 및 미반응 리간드-효소 접합체를 포함하는 혼합액을 예비여과 기능의 프리필터와 면역결합체 제거를 위한 여과용 멤브레인 필터에 차례로 통과시켜 면역결합체와 기타 면역응집물을 제거시킨 후,(3) 상기 (2) 단계에서 여과된 미반응 리간드-효소 접합체를 분석물질을 고정화시킨 포획용 멤브레인에서 면역반응 시킴으로써 포획한 후,(4) 상기 (3) 단계에서 만들어진 면역결합체에 포함된 효소에 특이적인 기질을 가하여 얻은 효소-기질반응을 통해 분석물질의 유무 및 농도를 측정하는 단계를 포함하는 경쟁여과면역분석방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 효소가 우레아제인 것을 특징으로 하는 경쟁여과면역분석방법.
- 제 1 항 또는 제 2 항에 있어서, 분석물질이 세균, 단백질, 세포 또는 이들 중 둘 이상의 혼합물인 것을 특징으로 하는 경쟁여과면역분석방법.
- 제 4 항에 있어서, 세균, 단백질 및 세포 중 둘 이상을 하나의 필터상에서 분석하는 것을 특징으로 하는 경쟁여과면역분석방법.
- 분석물질과의 면역반응에 의한 포획기능과 신호발생원인 효소와의 결합에 의한 탐지기능을 모두 갖는 한 종류의 항체 또는 리간드와 상기의 신호발생원인 효소가 접합된 항체-효소 접합체 또는 리간드-효소 접합체 ;예비여과 기능의 프리필터, 여과용 멤브레인 필터 및 분석물질이 고정화된 포획용 멤브레인을 포함하여 구성되는 다중 필터 및 ;상기의 효소에 특이적인 기질을 포함하여 구성되는 면역분석용 키트.
- 제 6 항에 있어서, 다중 필터가 카제인, 소의 혈청 알부민, 젤라틴 또는 오브알부민 중에서 선택된 비반응성 단백질 또는 상기의 비반응성 단백질과 계면활성제와의 혼합액으로 표면처리된 세공을 포함하는 멤브레인을 포함하여 구성되는 면역분석용 키트.
- 제 6 항 또는 제 7 항에 있어서, 상기 예비여과 기능의 프리필터가 유리 섬유 멤브레인인 면역분석용 키트.
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