Amperometric biomimetic enzyme sensors based on modified cyclodextrin as electrocatalysts
First Claim
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1. A sensor comprising:
- an electrode; and
a cyclodextrin chemically modified to be electrocatalytically active affixed to said electrode.
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Abstract
The present invention provides a novel biosensor for the detection of chemicals of interest. The novel biosensor of the present invention comprises an electrode having a catalytically active cyclodextrin attached thereto. The present invention will be useful for the detection of materials in a wide variety of samples. In particular, the present invention will permit the detection of nitrophenyl esters.
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Citations
31 Claims
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1. A sensor comprising:
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an electrode; and
a cyclodextrin chemically modified to be electrocatalytically active affixed to said electrode. - View Dependent Claims (2, 3, 4, 5, 21, 22, 23, 24, 25, 26, 27, 28)
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6. A method of detecting a material in a sample, comprising the steps of:
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obtaining a sample which can be detected;
contacting the sample with a sensor, the sensor comprising an electrode having a cyclodextrin chemically modified to be electrocatalytically active attached thereto; and
detecting the material. - View Dependent Claims (7, 8, 9, 10)
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11. A method of detecting the presence or absence of a nitrophenyl ester in a sample, comprising the steps of:
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obtaining a sample;
contacting the sample with a biosensor, wherein the biosensor comprises a cyclodextrin chemically modified to be electrocatalytically active and an electrode; and
determining the presence or absence of the nitrophenyl ester in the sample. - View Dependent Claims (12, 13)
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14. A method of constructing a biosensor, comprising the steps of:
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providing an electrode;
contacting the electrode with a solution, wherein the solution comprises a cyclodextrin chemically modified to be electrocatalytically active; and
affixing the electrocatalytically active cyclodextrin to the electrode. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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29. A sensor for detecting a phenyl ester comprising:
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an electrode; and
a cyclodextrin chemically modified to be electrocatalytically active. - View Dependent Claims (30, 31)
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Specification