Methods and arrays for target analyte detection and determination of target analyte concentration in solution
First Claim
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1. A method of measuring the concentration of target analytes in a sample comprising more than one type of target analyte, comprising:
- (a) exposing the sample to a plurality of reaction vessels under conditions such that the target analytes are captured and immobilized in the plurality of reaction vessels, the plurality of reaction vessels comprising a plurality of capture components that are immobilized within the reaction vessels and are capable of capturing the target analytes within the reaction vessels, the plurality of capture components comprising more than one type of capture component, and each reaction vessel having a defined volume between 10 attoliters and 50 picoliters, wherein the target analytes are immobilized in the reaction vessels via binding to the immobilized capture components; and
(b) determining a total percentage of the reaction vessels for which each type of captured target analyte molecule is present and determining the concentration of each type of target analyte from said percentage.
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Abstract
Arrays of single molecules and methods of producing an array of single molecules are described. Arrays with defined volumes between 10 attoliters and 50 picoliters enable single molecule detection and quantitation.
220 Citations
19 Claims
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1. A method of measuring the concentration of target analytes in a sample comprising more than one type of target analyte, comprising:
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(a) exposing the sample to a plurality of reaction vessels under conditions such that the target analytes are captured and immobilized in the plurality of reaction vessels, the plurality of reaction vessels comprising a plurality of capture components that are immobilized within the reaction vessels and are capable of capturing the target analytes within the reaction vessels, the plurality of capture components comprising more than one type of capture component, and each reaction vessel having a defined volume between 10 attoliters and 50 picoliters, wherein the target analytes are immobilized in the reaction vessels via binding to the immobilized capture components; and (b) determining a total percentage of the reaction vessels for which each type of captured target analyte molecule is present and determining the concentration of each type of target analyte from said percentage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of measuring the concentration of a target analyte in a sample, comprising:
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(a) exposing the sample to a plurality of reaction vessels under conditions such that the target analyte is captured and immobilized in the plurality of reaction vessels, each reaction vessel comprising a capture component that is immobilized within the reaction vessels and is capable of capturing the target analyte within the reaction vessels, and each reaction vessel having a defined volume between 10 attoliters and 50 picoliters, wherein the analyte is immobilized in the reaction vessels via binding to the immobilized capture component, and wherein a secondary binding ligand is associated or bound to at least a portion of the captured target analyte; and (b) determining a total percentage of the reaction vessels for which a secondary binding ligand is present and determining the target analyte concentration from said percentage. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification