Sensor arrays for detecting analytes in fluids
First Claim
1. A sensor array for the detection of target analytes comprising a substrate comprising a surface comprising discrete sites, each discrete site comprising:
- a) a covalently attached solvatochromic dye; and
b) at least one different covalently attached micro-environment moiety (MEM).
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Abstract
In accordance with the objects outlined above, the present invention provides sensor arrays for the detection of target analytes. The sensor arrays comprising a substrate comprising a surface comprising discrete sites, each discrete site comprising a solvatochromic dye and at least one micro-environment moiety (MEM), both of which are preferably covalent attached to the discrete site. In some aspects, the discrete sites comprise microspheres to which the dyes and MEMs are attached, again, preferably covalently. The dye(s) and MEM(s) at each site can be independently attached, or they can be co-attached using a linker.
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Citations
14 Claims
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1. A sensor array for the detection of target analytes comprising a substrate comprising a surface comprising discrete sites, each discrete site comprising:
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a) a covalently attached solvatochromic dye; and
b) at least one different covalently attached micro-environment moiety (MEM). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A sensor array for the detection of target analytes comprising a substrate comprising:
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a) a population of microspheres comprising a first and a second subpopulation, each member of each subpopulation comprising;
i) a covalently attached solvatochromic dye; and
ii) at least one covalently attached micro-environment moiety (MEM);
wherein the MEM on each subpopulation is different;
wherein said microspheres are distributed at discrete sites on a surface of said substrate.
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13. A method of detecting a target analyte in a sample comprising:
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a) contacting said sample to a sensor array comprising;
i) a substrate comprising a surface comprising discrete sites, each discrete site comprising;
1) a covalently attached solvatochromic dye; and
2) at least one different covalently attached micro-environment moiety (MEM); and
b) measuring the optical response of a plurality of discrete sites. - View Dependent Claims (14)
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Specification