Device and method for detection/measurement of light

Details Device and method for detection/measurement of light Device and method for detection/measurement of light

G - Physics

01

N

G01N 21/76 (2006.01) G01N 35/02 (2006.01)

Patent

CA 2243674

A device and method for the detection of light emitted by chemically reactive substances is disclosed. The device comprises a plurality of wells (21a) for holding chemically reactive substances, a detector (80) for detecting light emitted by the chemically reactive substances held in each well, and moving component for moving the detector sequentially to each respective one of a series of detection positions, proximate to each well, so as to enable the detector to detect the light emitted by the chemically reactive substance in each well. The detector employed in the present invention comprises a photomultiplier tube (80) and, in accordance with the invention, a processor (50) is employed to control the gain of the photomultiplier tube.

L'invention se rapporte à un dispositif et à un procédé de détection de la lumière émise par des substances à réaction chimique. Ce dispositif comprend une pluralité de puits (21a) qui retiennent ces substances à réaction chimique, un détecteur (80) détectant la lumière émise par lesdites substances retenues dans chaque puits, et une pièce mobile servant à déplacer le détecteur séquentiellement vers chaque série respective de positions de détection, proches de chaque puits, de façon à ce que le détecteur puisse détecter la lumière émise par les substances à réaction chimique de chaque puits. Le détecteur utilisé dans cette invention comprend un tube photomultiplicateur (80) et, selon l'invention, un processeur (560) est utilisé pour commander le gain du tube photomultiplicateur.

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