Patent ID: 6589779
Filing Date: 2003-07-08
Classification: B01L,G01N

Abstract:
A system for detecting an analyte in a fluid comprising:a light source; a sensor array, the sensor array comprising: a supporting member comprising at least one cavity formed within the supporting member; and a top cover layer, wherein the top cover layer is coupled to a top surface of the supporting member such that a particle is contained within the cavity by the top cover layer; the particle positioned within the cavity, wherein the particle comprises a receptor coupled to a polymeric resin, and an indicator coupled to the polymeric resin, and wherein the indicator is configured to produce a signal when the receptor interacts with the analyte during use; a detector, the detector being configured to detect the signal produced by the interaction of the analyte with the particle during use; wherein the light source and detector are positioned such that light passes from the light source, to the particle, and onto the detector during use.