Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrophotometer
Patent
1999-04-30
2000-07-04
Font, Frank G.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrophotometer
356 36, 356445, C01J 342
Patent
active
060846690
ABSTRACT:
A device for simultaneously and/or group-wise random measuring fluorescent light emitted by sample-reagent mixtures contained in a plurality of reaction vessels.
In order to measure fluorescence light for each reaction vessel with high sensitivity and accuracy and at the lowest possible cost the device according to the invention has an array of photodiodes built on a chip. Each of the photodiodes of the array is configured to receive fluorescent light emitted by a sample-reagent mixture contained in one of said plurality of reaction vessels and to provide an output signal representative of the intensity of said fluorescent light. An integrated electronic circuit is connected to the said array of photodiodes for processing output signals provided by photodiodes of the array. The integrated electronic circuit is mounted on the chip on which the array of photodiodes is built.
The output of each of the photodiodes of the array of photodiodes is directly connected to a corresponding input of the integrated electronic circuit.
REFERENCES:
patent: 5096807 (1992-03-01), Leaback
Font Frank G.
Ratliff Reginald A.
Roche Diagnostics Corporation
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