[특허]Multisource device for photometric analysis and associated chromogens

Multisource device for photometric analysis and associated chromogens 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-021/59 G01N-001/10 G01N-033/48
출원번호	US-0481450 (1990-02-16)
발명자 / 주소	Eberly James P. (Cincinnati OH) Magnotti Jr. Ralph A. (Cincinnati OH)
출원인 / 주소	EQM Research, Inc. (Cincinnati OH 02)
인용정보	피인용 횟수 : 88 인용 특허 : 0

초록 ▼

An optoelectronic device is provided which permits rapid sequential measurement of the optical density of multiple samples. The device employs a plurality of light-emitting diodes (LEDs) as light sources and a plurality of photodiodes as light detectors. In a preferred embodiment, arrays of LEDs paired with photodiodes are adapted to measure the optical density of samples contained in multiwell plastic plates (microplates) conventionally used for immunoassays.

대표청구항 ▼

An optoelectronic instrument for measuring the absorbance of a plurality of samples, comprising: a plurality of LED-photodetector pairs, each of the said pairs being internally aligned so that light emitted by the said LED member is directed toward the photoreceptive surface of the corresponding said photodetector member of said pair, the said plurality of LED-photodetector pairs being arranged to form a spatial array of adjacent pairs, means for removably positioning said plurality of samples so that each said sample is positioned between the said LED member and the said corresponding photodetector member of a said pair, so that the light from the LED member of such pair passes through the said sample before striking the said photodetector member of said pair, electronic means for sequentially pulsing the LED members of said array, said sequential pulsing occurring in a sequence such that when absorbance of any particular said sample is being measured, the particular said LED member which corresponds to the said particular sample emits light, while said LED members which correspond to samples adjacent to said particular sample do not emit light simultaneously with said particular LED member, and electronic means for sequentially measuring the signal from each said photodetector during the interval in which its corresponding said LED member is emitting light, and calculating the absorbance or transmittance of corresponding said sample.

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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

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연합인증

Multisource device for photometric analysis and associated chromogens 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (88)

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연합인증

Multisource device for photometric analysis and associated chromogens 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (88)

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