Nucleic acid mediated electron transfer
First Claim
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1. A composition comprising:
- a) a first nucleic acid comprising an electrode;
b) a second nucleic acid containing at least one covalently attached electron transfer moiety, wherein said electron transfer moiety is not a redox protein; and
c) an electron transfer mediator.
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Abstract
The present invention provides for the selective covalent modification of nucleic acids with redox active moieties such as transition metal complexes. Electron donor and electron acceptor moieties are covalently bound to the ribose-phosphate backbone of a nucleic acid at predetermined positions. The resulting complexes represent a series of new derivatives that are bimolecular templates capable of transferring electrons over very large distances at extremely fast rates. These complexes possess unique structural features which enable the use of an entirely new class of bioconductors and photoactive probes.
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Citations
12 Claims
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1. A composition comprising:
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a) a first nucleic acid comprising an electrode;
b) a second nucleic acid containing at least one covalently attached electron transfer moiety, wherein said electron transfer moiety is not a redox protein; and
c) an electron transfer mediator. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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2. A composition comprising:
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a) a first nucleic acid comprising an electrode;
b) a second nucleic acid comprising at least one moiety capable of donating or accepting an electron, wherein said moiety is not a redox protein; and
c) an electron transfer mediator.
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Specification