AC/DC voltage apparatus for detection of nucleic acids
First Claim
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1. An apparatus for the detection of target nucleic acids in a test sample, comprising:
- a) a test chamber comprising a first and a second electrode, wherein said first electrode comprises;
i. a single stranded nucleic acid covalently attached to said electrode via an insulator, wherein said insulator is an alkyl oligomer wherein each monomer of said alkyl oligomer is independently selected from the group consisting of;
—
(CH2)n—
, —
(CRH)n—
, —
(CR2)n—
, ethylene glycol and ethylene glycol derivatives using other heteroatoms in place of oxygen;
wherein n is from 1 to 16; and
wherein R is selected from the group consisting of hydrogen, alkyl, alcohol, aromatic amino, amido, nitro, ethers, esters, aldehydes, sulfonyl, silicon moieties, halogens, sulfur containing moieties, phosphorous containing moieties, andii. a passivation agent monolayer; and
b) an AC/DC voltage source electrically connected to said first and second electrodes.
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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.
126 Citations
15 Claims
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1. An apparatus for the detection of target nucleic acids in a test sample, comprising:
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a) a test chamber comprising a first and a second electrode, wherein said first electrode comprises; i. a single stranded nucleic acid covalently attached to said electrode via an insulator, wherein said insulator is an alkyl oligomer wherein each monomer of said alkyl oligomer is independently selected from the group consisting of;
—
(CH2)n—
, —
(CRH)n—
, —
(CR2)n—
, ethylene glycol and ethylene glycol derivatives using other heteroatoms in place of oxygen;
wherein n is from 1 to 16; and
wherein R is selected from the group consisting of hydrogen, alkyl, alcohol, aromatic amino, amido, nitro, ethers, esters, aldehydes, sulfonyl, silicon moieties, halogens, sulfur containing moieties, phosphorous containing moieties, andii. a passivation agent monolayer; and b) an AC/DC voltage source electrically connected to said first and second electrodes. - View Dependent Claims (2, 5, 6, 7, 8, 9, 10, 11, 12)
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3. An apparatus for the detection of target nucleic acids in a test sample, comprising:
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a) a test chamber comprising a first and a second electrode, wherein said first electrode comprises; i. a covalently attached single stranded nucleic acid attached to said first electrode via an insulator, wherein said insulator is an alkyl oligomer wherein each monomer of said alkyl oligomer is independently selected from the group consisting of;
—
(CH2)n—
, —
(CRH)n—
, ethylene glycol and ethylene glycol derivatives using other heteroatoms in place of oxygen;
wherein n is from 1 to 16; and
wherein R is selected from the group consisting of hydrogen, alkyl alcohol, aromatic amino, amido, nitro, ethers, esters, aldehydes, sulfonyl, silicon moieties, halogens, sulfur containing moieties, phosphorous containing moieties;ii. a passivation agent monolayer; and iii. a covalently attached first electron transfer moiety; and b) an AC/DC voltage source electrically connected to said test chamber.
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4. An apparatus for the detection of target nucleic acids in a test sample, comprising:
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a. a test chamber comprising a first and a second electrode, wherein said first electrode comprises; i. a covalently attached first single stranded nucleic acid attached to said first electrode via an insulator, wherein said insulator is an alkyl oligomer wherein each monomer of said alkyl oligomer is independently selected from the group consisting of;
—
(CH2)n—
, —
(CRH)n—
, —
(CR2)n—
, ethylene glycol and ethylene glycol derivatives using other heteroatoms in place of oxygen;
wherein n is from 1 to 16; and
wherein R is selected from the group consisting of hydrogen, alkyl, alcohol, aromatic amino, amido, nitro, ethers, esters, aldehydes, sulfonyl, silicon moieties, halogens, sulfur containing moieties, phosphorous containing moieties; andii. a passivation agent monolayer; and b) a second nucleic acid covalently attached to an electron transfer moiety; and c) an AC/DC voltage source electrically connected to said test chamber.
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13. An apparatus for the detection of target nucleic acids in a test sample, comprising:
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a) a test chamber comprising an array of electrodes, each electrode comprising i. a covalently attached single stranded nucleic acid, attached to said electrodes via an insulator, wherein said insulator is an alkyl oligomer wherein each monomer of said alkyl oligomer is independently selected from the group consisting of;
—
(CH2)n—
, —
(CRH)n—
, —
(CR2)n—
, ethylene glycol and ethylene glycol derivatives using other heteroatoms in place of oxygen;
wherein n is from 1 to 16; and
wherein R is selected from the group consisting of hydrogen, alkyl, alcohol, aromatic amino, amido, nitro, ethers, esters, aldehydes, sulfonyl, silicon moieties, halogens, sulfur containing moieties, phosphorous containing moieties; andii. a passivation agent monolayer; and b) an AC/DC voltage source electrically connected to said test chamber. - View Dependent Claims (14, 15)
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Specification