Systems and methods for optical measurement of analyte...

Details Systems and methods for optical measurement of analyte... Systems and methods for optical measurement of analyte...

G - Physics

01

N

G01N 21/62 (2006.01) G01N 21/63 (2006.01) G01N 33/49 (2006.01)

Patent

CA 2732040

A method and sensor for measuring the concentration of an analyte about radiantly excitable indicator molecules. A stimulus waveform is used to drive a radiant source. The indicator molecules are exposed to the radiant source. A response waveform is generated to represent photoluminescent radiation emitted by the indicator molecules. A phase difference between the stimulus waveform and the response waveform is a function of the concentration of the analyte that enables determining the analyte concentration.

L'invention porte sur un procédé et sur un capteur pour mesurer la concentration d'un analyte autour de molécules indicatrices excitables par rayonnement. Une forme d'onde de stimulus est utilisée pour piloter une source de rayonnement. Les molécules indicatrices sont exposées à la source de rayonnement. Une forme d'onde de réponse est générée pour représenter le rayonnement photoluminescent émis par les molécules indicatrices. Une différence de phase entre la forme d'onde de stimulus et la forme d'onde de réponse est une fonction de la concentration de l'analyte, ce qui permet la détermination de la concentration de l'analyte.

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