Sensor for components of a liquid mixture

Details Sensor for components of a liquid mixture Sensor for components of a liquid mixture

G - Physics

01

N

324/23

G01N 27/30 (2006.01) C12Q 1/00 (2006.01)

Patent

CA 1212146

ABSTRACT OF THE DISCLOSURE A sensor electrode to detect one or more compon- ents in a liquid mixture comprises an electrically conduc- tive material having at least an external surface, the com- bination of an enzyme catalytic for a reaction of the desi- red component, and a mediator comprising a ferrocene which transfers electrons from the enzyme to the electrode when such catalytic activity takes place. It can be used with bacterial glucose dehydrogenase or glucose oxidase as the enzyme and/or ferrocene or a ferrocene derivative as the mediator compound to give electrodes with improved linearity, speed of response and insensitivity to oxygen.

414040

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