Enzyme electrodes
AssigneeE. Heller & Company
InventorsBrian A. Gregg, Adam Heller
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Abstract
Enzyme electrodes having a surface coated with a film. The film is formed from materials in which a redox enzyme is covalently bonded to a three dimensional molecular structure. The molecular structure is of the class having multiple redox centers, for example, a crosslinked redox polymer.
Claims18
An electrode having a surface coated with a film, the film comprising:
- a crosslinked polymer having multiple redox centers;
- and
- a redox enzyme bound within the crosslinked polymer,
- wherein the crosslinked polymer provides electrical contact between the electrode and the enzyme.
An electrode having a surface coated with a film, the film comprising:
- a hydrophilic cross-linked polymer having multiple redox centers;
- and
- a redox enzyme bound within the cross-linked polymer, wherein the cross-linked polymer provides electrical contact between the electrode and the enzyme.
An electrode made of a material selected from the group consisting of gold, platinum, glassy carbon and graphite, said electrode having a surface coated with a film, the film comprising:
- a cross-linked polymer having multiple redox centers;
- and
- a redox enzyme bound within the cross-linked polymer, wherein the cross-linked polymer provides electrical contact between the electrode and the enzyme.
An electrode having a surface coated with a film, the film comprising:
- a cross-linked polymer having multiple redox centers;
- and
- a redox enzyme bound within the cross-linked polymer, wherein the cross-linked polymer provides electrical contact between the electrode and the enzyme, and wherein the resulting electrode has an operating potential in the range of 0.1V to 0.5V versus the Standard Calomel Electrode.
An electrode having a surface coated with a film, the film comprising:
- a cross-linked polymer having multiple redox centers;
- and
- a redox enzyme bound within the cross-linked polymer, wherein the cross-linked polymer provides electrical contact between the electrode and the enzyme, and
- wherein the resulting electrode exhibits current densities in excess of 10 micro Amps/cm.sup.2 in the presence of substrate.
Dependencies are inferred from the claim text.