Photoresponsive electrode for determination of redox potential

Details Photoresponsive electrode for determination of redox potential Photoresponsive electrode for determination of redox potential

G - Physics

01

N

324/23, 324/28.2

G01N 27/07 (2006.01) G01N 21/27 (2006.01) G01N 27/30 (2006.01) G01N 27/416 (2006.01)

Patent

CA 1292280

PHOTORESPONSIVE ELECTRODE FOR DETERMINATION OF REDOX POTENTIAL ABSTRACT OF THE DISCLOSURE Device and methods are provided for deter- mining the presence and amount of an analyte by measuring a redox potential-modulated photoinducing signal from a photoresponsive element. Further devices and method are provided for determining the presence and amount of an analyte by measuring a redox potential, pH or ion modulated photoinduced signal from a photoresponsive element, where one signal is a constant system and the other signal(s) is a variable system The constant system signal is used to standardize the variable system signal. Various protocols may be employed where an analyte may be directly or indirectly coupled to a redox couple, a pH or ion system for detection. The latter devices employ a photoresponsive element having a medium contacting surface, which is partially covered with an electronically conducting layer and partially covered with a protective insulative layer.

571627

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