Solid-state photometer circuit

Details Solid-state photometer circuit Solid-state photometer circuit

1986-03-24

1987-08-25

Focarino, Margaret A.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435808, 422 52, 250361C, C12M 134

Patent

active

046893059

ABSTRACT:
A stable, inexpensive and easily constructed photometer consisting of a cercial intergrated photodetection assembly, complementary solid-state operational amplifiers and a solid-state power supply for use in the detection and quantification of low level light emissions from bioluminescence organisms and for the detection of the absence of bioluminescence. Means are provided for controlling the sensitivity of the system as well as providing for direct readout or intergration of the detected signals where they are intermittent.

REFERENCES:
patent: 3797999 (1974-03-01), Witz et al.
patent: 3849653 (1974-11-01), Sakaide et al.
patent: 4303410 (1981-12-01), Copeland
patent: 4385113 (1983-05-01), Chappelle et al.
patent: 4472352 (1984-09-01), Quesneau et al.
patent: 4563331 (1986-01-01), Losee et al.

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