[특허]Double tagged immunoassay

[미국특허] Double tagged immunoassay 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-033/48 G01N-033/52 G01N-033/54
출원번호	US-0217011 (1980-11-19)
국제출원번호	PCT/US79/00184 (1979-03-19)
§371/§102 date	[Act 371]19801119 ([Act 101]19801119)
국제공개번호	WO80/02076 (1980-10-02)
발명자 / 주소	Chen, Janet H. Maggio, Edward T. Rehbinder, Dietrich
출원인 / 주소	International Diagnostic Technology, Inc.
대리인 / 주소	Limbach, Limbach & Sutton
인용정보	피인용 횟수 : 37 인용 특허 : 7

초록 ▼

Immunoassays are performed with two different ligands tagged with two different tagging constituents which are independent of each other and the two tagged ligands are immunologically bound together. The two different ligands may be detected independently through their independent tagging constituen

대표청구항 ▼

1. In a method of performing an immunoassay in which a receptor ligand is contacted with a test ligand which binds immunologically with the receptor ligand and the receptor and/or test ligands are contacted with an assay ligand which is capable of immunologically binding to the receptor and/or test ligand the improvement which comprises employing a receptor ligand containing a tagging constituent which is independent of the tagging constituent on the test ligand. 2. The method of claim 1 which further includes the steps of quantitatively detecting at least one of the tagged constituents after contacting the receptor ligand and the test ligand. 3. In a method of performing an immunoassay in which a receptor ligand is contacted with a test ligand which binds immunologically with the receptor ligand and the receptor and/or test ligands are contacted with an assay ligand which is capable of immunologically binding to the receptor and/or test ligand the improvement which comprises employing a receptor ligand containing a tagging constituent which is independent of the tagging constituent on the test ligand, and measuring the quantity of assay ligand by measuring the quantities of tagging constituents on both the receptor ligand and test ligand while said receptor and test ligand are immunologically bound together. 4. The method of claim 3 in which said measurement is performed by detecting fluorescent light from both the receptor and test ligands with the same fluorometer. 5. The method of claim 3 in which the receptor and/or test ligand is supported on a surface. 6. The method of claim 3 in which the two tagging constituents are formed of fluorescent materials which fluoresce at different wavelengths.

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[미국특허] Double tagged immunoassay 원문보기

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[미국특허] Double tagged immunoassay 원문보기

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이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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