MONITORING TARGET ENDOGENOUS SPECIES
First Claim
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1. An electrode comprising:
- (i) a conducting substrate for detecting an electroactive agent;
(ii) a catalytic agent held on the substrate for converting a non-electroactive agent to an electroactive agent by a catalytic process which consumes oxygen; and
(iii) an oxygen reservoir, for releasing oxygen to feed the catalytic process, held within a polymer matrix on the substrate.
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Abstract
An electrode comprising: a conducting substrate for detecting an electroactive agent; a catalytic agent held on the substrate for converting a non-electroactive agent to an electroactive agent by a catalytic process which consumes oxygen; and an oxygen reservoir, for releasing oxygen to feed the catalytic process, held within a polymer matrix on the substrate. The electrode allows for detection of materials such as glucose when using oxidase enzymes. The invention solves the problem of fluctuation or depletion of oxygen in the environment in which the measurements are being taken.
5 Citations
31 Claims
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1. An electrode comprising:
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(i) a conducting substrate for detecting an electroactive agent; (ii) a catalytic agent held on the substrate for converting a non-electroactive agent to an electroactive agent by a catalytic process which consumes oxygen; and (iii) an oxygen reservoir, for releasing oxygen to feed the catalytic process, held within a polymer matrix on the substrate. - View Dependent Claims (2, 5, 7, 8, 12, 14, 15, 22)
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17. A method of constructing an electrode comprising:
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(i) providing a conducting substrate for detecting an electroactive agent; (ii) providing on the substrate a catalytic agent for converting a non-electroactive agent to an electroactive agent by a catalytic process which consumes oxygen; and (iii) providing within a polymer matrix on the substrate, an oxygen reservoir, for releasing, in use, oxygen to feed the catalytic process.
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19. (canceled)
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25. (canceled)
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26. (canceled)
Specification