Polymeric assay film for direct colorimetric detection
First Claim
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1. A polymerized bilayer film comprising:
- a conjugated polymer backbone, linker groups, ligands having direct affinity for an analyte, wherein said ligands are carbohydrates, and ordering head groups, wherein said linker groups are covalently conjugated to said polymer backbone, wherein said ligands are covalently conjugated to said linker groups, wherein said ordering head groups are bound to the surface of said conjugated polymer backbone in positions not occupied by said linker groups, and wherein said polymerized bilayer film undergoes a detectable color change upon binding of said analyte to said ligands.
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Abstract
A lipid bilayer with affinity to an analyte, which directly signals binding by a changes in the light absorption spectra. This novel assay means and method has special applications in the drug development and medical testing fields. Using a spectrometer, the system is easily automated, and a multiple well embodiment allows inexpensive screening and sequential testing. This invention also has applications in industry for feedstock and effluent monitoring.
68 Citations
31 Claims
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1. A polymerized bilayer film comprising:
- a conjugated polymer backbone, linker groups, ligands having direct affinity for an analyte, wherein said ligands are carbohydrates, and ordering head groups, wherein said linker groups are covalently conjugated to said polymer backbone, wherein said ligands are covalently conjugated to said linker groups, wherein said ordering head groups are bound to the surface of said conjugated polymer backbone in positions not occupied by said linker groups, and wherein said polymerized bilayer film undergoes a detectable color change upon binding of said analyte to said ligands.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 27, 28, 29, 30, 31)
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10. A polymerized bilayer film comprising:
- a conjugated polymer backbone, linker groups, ligands having direct affinity for an analyte, wherein said ligands are sialic acid, and ordering head groups, wherein said linker groups are covalently conjugated to said polymer backbone, wherein said ligands are covalently conjugated to said linker groups, wherein said ordering head groups are bound to the surface of said conjugated polymer backbone in positions not occupied by said linker groups, and wherein said polymerized bilayer film undergoes a detectable color change upon binding of said analyte to said ligands.
- View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A polymerized bilayer film comprising:
- a conjugated polymer backbone, linker groups, ligands having direct affinity for an analyte, wherein said ligands are sialic acid, and ordering head groups, wherein said conjugated polymer backbone comprises a plurality of polymerized diacetylene monomers, wherein said linker groups are covalently conjugated to said diacetylene monomers, wherein said ligands are covalently conjugated to said linker groups, wherein said ordering head groups are bound to the surface of said conjugated polymer backbone in positions not occupied by said linker groups, and wherein said film undergoes a detectable color change upon binding of said analyte to said ligands.
- View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A polymerized bilayer film comprising:
- a conjugated polymer backbone, linker groups, sialic acid groups, ordering head groups, and a support structure, wherein said conjugated polymer backbone comprises a plurality of polymerized diacetylene monomers, wherein said linker groups are covalently conjugated to said diacetylene monomers, wherein said sialic acid groups are covalently conjugated to said linker groups, wherein said ordering head groups are bound to the surface of said conjugated polymer backbone in positions not occupied by said linker groups, and wherein said polymerized bilayer film undergoes a detectable color change upon binding of said analyte to said sialic acid groups.
Specification