Electrodes linked via conductive oligomers to nucleic acids
First Claim
Patent Images
1. A composition comprising:
- a) an electrode;
b) at least one nucleoside; and
c) a conductive oligomer covalently attached to both said electrode and said nucleoside, wherein said conductive oligomer has the formula;
##STR38## wherein Y is an aromatic group;
n is an integer from 1 to 50;
g is either 1 or zero;
e is an integer from zero to 10; and
m is zero or 1;
wherein when g is 1, B-D is a conjugated bond selected from --C.tbd.C--, --CH═
CH--, --CR═
CR--, --CH═
CR--, --CR═
CH--, --NH--CO--, --NR--CO--, --CO--NH--, --CO--NR--, --N═
N--, --CO--O--, --O--CO--, --CS--O--, --O--CS--, --CH═
N--, --CR═
N--, --N═
CH-- and --N═
CR--, --SiH═
SiH--, --SiR═
SiH--, --SiR═
SiH--, --SiR═
SiR--, --SiH═
CH--, --SiR═
CH--, --SiH═
CR--, --SiR═
CR--, --CH═
SiH--, --CR═
SiH--, --CH═
SiR--, --CR═
SiR--, wherein R is a substitution group; and
wherein when g is zero, e is 1 and D is carbonyl or a moiety comprising oxygen, sulfur, nitrogen or phosphorus.
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Abstract
The invention relates to nucleic acids covalently coupled to electrodes via conductive oligomers. More particularly, the invention is directed to the site-selective modification of nucleic acids with electron transfer moieties and electrodes to produce a new class of biomaterials, and to methods of making and using them.
165 Citations
36 Claims
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1. A composition comprising:
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a) an electrode; b) at least one nucleoside; and c) a conductive oligomer covalently attached to both said electrode and said nucleoside, wherein said conductive oligomer has the formula;
##STR38## wherein Y is an aromatic group;n is an integer from 1 to 50; g is either 1 or zero; e is an integer from zero to 10; and m is zero or 1; wherein when g is 1, B-D is a conjugated bond selected from --C.tbd.C--, --CH═
CH--, --CR═
CR--, --CH═
CR--, --CR═
CH--, --NH--CO--, --NR--CO--, --CO--NH--, --CO--NR--, --N═
N--, --CO--O--, --O--CO--, --CS--O--, --O--CS--, --CH═
N--, --CR═
N--, --N═
CH-- and --N═
CR--, --SiH═
SiH--, --SiR═
SiH--, --SiR═
SiH--, --SiR═
SiR--, --SiH═
CH--, --SiR═
CH--, --SiH═
CR--, --SiR═
CR--, --CH═
SiH--, --CR═
SiH--, --CH═
SiR--, --CR═
SiR--, wherein R is a substitution group; andwherein when g is zero, e is 1 and D is carbonyl or a moiety comprising oxygen, sulfur, nitrogen or phosphorus. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 19, 20, 21, 22, 23, 29, 35, 36)
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2. A composition comprising:
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a) an electrode; b) at least one nucleoside; and c) a conductive oligomer covalently attached to both said electrode and said nucleoside, wherein said conductive oligomer has the formula;
##STR39## wherein n is an integer from 1 to 50;m is 0 or 1; C is carbon; J is carbonyl or a moeity comprising nitrogen, silicon, phosphorus, sulfur; and G is a bond selected from single, double or triple bonds, wherein when G is a single bond, two R groups are attached to each C, and when G is a double bond, one R group is attached to each C, wherein R is a substitution group.
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11. A composition comprising:
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a) a first electron transfer moiety comprising an electrode; b) a first single stranded nucleic acid; c) a second electron transfer moiety covalently attached to said first nucleic acid; and d) a conductive oligomer covalently attached to both said electrode and said first nucleic acid, wherein one of said first and second electron transfer moieties is an electron donor moiety and the other is an electron acceptor moiety. - View Dependent Claims (24, 25, 26, 27, 28, 30, 31, 32, 33)
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12. A composition comprising:
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a) an electrode; b) at least one metallocene; and c) a conductive oligomer covalently attached to both said electrode and said metallocene, wherein said conductive oligomer has the formula;
##STR40## wherein n is an integer from 1 to 50;m is 0 or 1; C is carbon; J is carbonyl or a comprising nitrogen, silicon, phosphorus, sulfur; and G is a bond selected from single, double or triple bonds, wherein when G is a single bond, two R groups are attached to each C, and when G is a double bond, one R group is attached to each C. wherein R is a substitution group.
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13. A composition comprising:
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a) an electrode; b) at least one metallocene; and c) a conductive oligomer covalently attached to both said electrode and said metallocene, wherein said conductive oligomer has the formula;
##STR41## wherein Y is an aromatic group;n is an integer from 1 to 50; g is either 1 or zero; e is an integer from zero to 10; and m is zero or 1; wherein when g is 1, B-D is a conjugated bond selected from --C.tbd.C--, --CH═
CH--, --CR═
CR--, --CH═
CR--, --CR═
CH--, --NH--CO--, --NR--CO--, --CO--NH--, --CO--NR--, --N═
N--, --CO--O--, --O--CO--, --CS--O--, --O--CS--, --CH═
N--, --CR═
N--, --N═
CH-- and --N═
CR--, --SiH═
SiH--, --SiR═
SiH--, --SiR═
SiH--, --SiR═
SiR--, --SiH═
CH--, --SiR═
CH--, --SiH═
CR--, --SiR═
CR--, --CH═
SiH--, --CR═
SiH--, --CH═
SiR--, --CR═
SiR--, wherein R is a substitution group; andwherein when g is zero, e is 1 and D is carbonyl or a moiety comprising oxygen, sulfur, nitrogen or phosphorus.
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18. A composition comprising:
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a) a first electron transfer moiety comprising an electrode; b) a first single stranded nucleic acid; c) a conductive oligomer covalently attached to both said electrode and said first nucleic acid; and d) a second single stranded nucleic acid comprising a second electron transfer moiety, wherein one of said first and second electron transfer moieties is an electron donor moiety and the other is an electron acceptor moiety.
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34. A composition comprising:
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a) a first electron transfer moiety comprising an electrode; b) a first single stranded nucleic acid; and c) a conductive oligomer covalently attached to both said electrode and said nucleic acid, wherein said electrode comprises a monolayer of passivation agent.
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Specification