[특허]Apparatus for rapid immunoassays

Apparatus for rapid immunoassays 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01L-011/00
출원번호	US-0740936 (1991-08-06)
발명자 / 주소	Clark Carl R. (Rockford IL)
출원인 / 주소	Pierce Chemical Company (Rockford IL 02)
인용정보	피인용 횟수 : 62 인용 특허 : 0

초록 ▼

An apparatus for use in a ligand-receptor assay procedure for the quantitative determination of the concentration of a target ligand in a liquid sample. The apparatus contains top and middle plates having holes therethrough. The holes in the two plates are in axial alignment and the holes in the middle plate have sidewalls that extend below the bottom surface of the middle plate. The apparatus contains a bottom chamber having an opening on the upper side thereof facing the bottom surface of said middle plate. The chamber contains at least one port extending through a surface thereof to permit a vacuum to be created within said chamber and means for accepting a microtiter plate containing a plurality of wells. When the microtiter plate is positioned within the chamber, the ends of the holes extending beneath the bottom surface of the middle plate are located within the wells. The three members of the apparatus can be secured together in vacuum tight relationship such that when a liquid permeable membrane is placed between the top and middle plates, liquid is placed in the holes in the top plate and vacuum is created in the chamber, the liquid is drawn at a controlled rate directly through the membrane without lateral dispersion, through the holes in the middle plate and, in turn, into the chamber.

대표청구항 ▼

An apparatus for use in a ligand-receptor assay procedure for the quantitative determination of the concentration of a target ligand in a liquid sample, said apparatus comprising a top member, a middle member, and a bottom member in a sandwiched relationship, said top and middle members being plates having a plurality of holes therethrough with said holes in the two plates being in axial alignment and with the cross-sectional area of the holes at the bottom surface of the top plate being greater than the cross-section area of the holes at the top surface of the middle plate, the holes in said middle plate receiving cannulas extending below the bottom surface of the middle plate, said bottom member being a chamber having an opening on the upper side thereof facing the bottom surface of said middle plate, said chamber containing (1) at least one port extending through a surface thereof to permit a vacuum to be created within said chamber and (2) a microtiter plate containing a plurality of wells positioned within the chamber such that the ends of the cannulas extending beneath the bottom surface of the middle plate are located within said wells with the degree of extension within said wells of the microtiter plate being such that the ends of the cannulas are in close proximity and just above the bottom of the wells so that liquid deposited in said wells extends above the ends of the cannulas, said apparatus containing means for securing said three members together in vacuum tight relationship with a liquid permeable member placed between the top and middle plates, such that when a liquid is placed in the holes in the top plate and vacuum is created in the chamber, the liquid is drawn at a controlled rate directly through the membrane without lateral dispersion, through the cannulas in the middle plate and, in turn, into the chamber.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Apparatus for rapid immunoassays 원문보기

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대표청구항 ▼

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Apparatus for rapid immunoassays 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (62)

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