Ligand array assays that include an organic fluid wash step and compositions for practicing the same
First Claim
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1. A method of determining whether an analyte is present in a sample, said method comprising:
- (a) contacting said sample with a surface of a substrate having immobilized thereon a ligand that specifically binds to said analyte;
(b) washing said surface with a an organic wash fluid in which said analyte and ligand therefore are not soluble; and
(c) detecting any resultant binding complexes on said surface to determine whether said analyte is present in said sample.
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Abstract
Ligand array assays and compositions for use in practicing the same are provided. A feature of the subject methods is that they include a wash step in which the ligand displaying surface of a sample exposed ligand array is washed with organic wash fluid, e.g., propylene carbonate. Also provided are kits for use in practicing the subject methods. The subject methods and kits find use in a variety of ligand array based applications, including genomic and proteomic applications.
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Citations
28 Claims
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1. A method of determining whether an analyte is present in a sample, said method comprising:
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(a) contacting said sample with a surface of a substrate having immobilized thereon a ligand that specifically binds to said analyte;
(b) washing said surface with a an organic wash fluid in which said analyte and ligand therefore are not soluble; and
(c) detecting any resultant binding complexes on said surface to determine whether said analyte is present in said sample. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification