RENEWABLE BIOELECTRONIC INTERFACE FOR ELECTROBIOCATALYTIC REACTOR
First Claim
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1. A bioelectronic device comprising:
- an electrically conductive carbon electrode; and
a bioelectronic interface bonded to a surface of the electrically conductive carbon electrode, the bioelectronic interface including a catalytically active material that facilitates electron transfer, the catalytically active material electrostatically bound directly or indirectly to the electrically conductive carbon electrode.
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Abstract
An inexpensive, easily renewable bioelectronic device useful for bioreactors, biosensors, and biofuel cells includes an electrically conductive carbon electrode and a bioelectronic interface bonded to a surface of the electrically conductive carbon electrode, wherein the bioelectronic interface includes catalytically active material that is electrostatically bound directly or indirectly to the electrically conductive carbon electrode to facilitate easy removal upon a change in pH, thereby allowing easy regeneration of the bioelectronic interface.
14 Citations
38 Claims
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1. A bioelectronic device comprising:
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an electrically conductive carbon electrode; and a bioelectronic interface bonded to a surface of the electrically conductive carbon electrode, the bioelectronic interface including a catalytically active material that facilitates electron transfer, the catalytically active material electrostatically bound directly or indirectly to the electrically conductive carbon electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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35. A process for reconstituting a bioelectronic interface of a bioelectronic device, comprising the steps of:
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providing a bioelectronic device comprising an electrically conductive carbon electrode and a bioelectronic interface having catalytically active material electrostatically bound directly or indirectly to a surface of the electrically conductive carbon electrode; exposing the bioelectronic interface to an aqueous medium having a first pH that releases the catalytically active material from the surface of the electrically conductive carbon electrode; exposing the electrically conductive carbon electrode to an aqueous medium having a second pH that facilitates electrostatic bonding of a catalytically active material to the surface of the electrically conductive carbon electrode; and introducing catalytically active material to the aqueous medium, and electrostatically bonding the catalytically active material to the surface of the electrically conductive carbon electrode, so that the bioelectronic interface'"'"'s catalytic activity is restored. - View Dependent Claims (36)
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37. An electrobiocatalytic reactor comprising:
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a cathode compartment containing a first electrolytic solution and an anode compartment containing a second electrolytic solution, the anode compartment and cathode compartments being separated by a proton permeable membrane; a cathode located at the cathode compartment and in contact with the first electrolyte, and an anode located at the anode compartment and in contact with the second electrolyte, at least one of the anode and cathode being an electrically conductive carbon electrode; and a bioelectronic interface bonded to a surface of at least one electrically conductive carbon electrode, the bioelectronic interface including a catalytically active material that facilitates electron transfer, the catalytically active material electrostatically bound directly or indirectly to the electrically conductive carbon electrode. - View Dependent Claims (38)
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Specification