Ocular analyte sensor
First Claim
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1. An ophthalmic sensor for detecting an analyte in an cular fluid, comprising:
- an ophthalmic lens; and
one or more detection reagents for said analyte in and/or on said ophthalmic lens, wherein the detection reagents comprise a receptor moiety and a fluorescent moiety wherein the receptor moiety comprises an analyte/competitor moiety binding site at which the analyte can reversibly bind, and wherein the fluorescent moiety in cooperation with the receptor moiety provides a detection of the analyte.
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Abstract
An ophthalmic lens comprising a receptor moiety can be used to determine the amount of an analyte in an ocular fluid. The receptor moiety can bind either a specific analyte or a detectably labeled competitor moiety. The amount of detectably labeled competitor moiety which is displaced from the receptor moiety by the analyte is measured and provides a means of determining analyte concentration in an ocular fluid, such as tears, aqueous humor, or interstitial fluid. The concentration of the analyte in the ocular fluid, in turn, inidicates the concentration of the analyte in a fluid or tissue sample of the body, such as blood or intracellular fluid.
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Citations
22 Claims
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1. An ophthalmic sensor for detecting an analyte in an cular fluid, comprising:
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an ophthalmic lens; and
one or more detection reagents for said analyte in and/or on said ophthalmic lens, wherein the detection reagents comprise a receptor moiety and a fluorescent moiety wherein the receptor moiety comprises an analyte/competitor moiety binding site at which the analyte can reversibly bind, and wherein the fluorescent moiety in cooperation with the receptor moiety provides a detection of the analyte. - View Dependent Claims (2, 5, 6, 7, 8, 9)
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- 3. The ophthalmic sensor of clalm 2, wherein the analyte is selected from the group consisting of an electrolyte, a metallic element, a polypeptide hormone, a chronically administered medication, an acutely administered medication, small molecule hormone, a marker of inflammation, a marker of allergy, a lipid, a protein, marker of infection, and a metabolite.
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10. An analyte sensor system, comprising
(a) an ophthalmic lens for detecting an analyte in an ocular fluid, having detection reagent for said analyte, wherein the detection reagent comprises a receptor moiety and a fluorescent moiety, wherein the receptor moiety comprises an analyte/competitor moiety binding site at which the analyte can reversibly bind, and wherein the fluorescent moiety in cooperation with the receptor moiety provides a detectable signal indicative of the analyte; (b) a detector configured to detect the detectable signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A kit for detecting glucose in an ocular fluid, comprising:
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a contact lens comprising a boronic acid derivative which can bind reversibly to glucose to provide a fluorescent signal; and
instructions for using the contact lens to detect glucose in the ocular fluid. - View Dependent Claims (21, 22)
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Specification