Non-enzymatic glucose sensor
First Claim
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1. A method for fabricating a glucose sensor with at least one active electrode configured to catalyze the electro-oxidation of glucose in preference to other bio-molecules, the method comprising:
- providing an insulating base plate/substrate;
forming one or more disposable silver-based electrodes on the substrate;
coating conducting carbon ink over the electrodes;
coating a slurry of CuO nanoparticles in NaOH over one of the electrodes, thereby forming the active electrode; and
encapsulating the active electrode in an insulating film layer in which a sensing window is provided.
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Abstract
A non-enzymatic glucose sensor and method for fabricating the sensor are disclosed. The glucose sensor contains at least one non-enzymatic electrode configured to catalyze the electro-oxidation of glucose in preference to other bio-molecules. The surface of the electrode comprises CuO nanoparticles. The sensor shows sensitivity and selectivity exceeding enzyme based devices presently in use.
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7 Claims
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1. A method for fabricating a glucose sensor with at least one active electrode configured to catalyze the electro-oxidation of glucose in preference to other bio-molecules, the method comprising:
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providing an insulating base plate/substrate; forming one or more disposable silver-based electrodes on the substrate; coating conducting carbon ink over the electrodes; coating a slurry of CuO nanoparticles in NaOH over one of the electrodes, thereby forming the active electrode; and encapsulating the active electrode in an insulating film layer in which a sensing window is provided. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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