US Patent 8,204,565
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
Disclosed is an implantable microspectrometer for the reagentless optical detection of an analyte in a sample fluid. The microspectrometer comprises an optical sampling cell having a cell housing defining a fluid inlet port and a fluid outlet port, the fluid inlet port configured to receive an optical sampling fluid from a test subject; an electromagnetic radiation source in communication with a first portion of the optical sampling cell housing and configured to irradiate at least a portion of the optical sampling fluid with electromagnetic radiation; and an electromagnetic radiation detector in communication with a second portion of the optical sampling cell housing and configured to detect electromagnetic radiation emanating from the optical sampling cell. In use, the implantable microspectrometer can optically detect at least one parameter of an analyte contained within the optical sampling fluid in the absence of an added reagent.
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Arnold, Mark A; Olesberg, Jonathon T; and Coretsopoulos, Chris Reagentless optical analyte detection system. US Patent 8,204,565 filed April 04, 2006 and issued June 19, 2012. https://ir.uiowa.edu/patents/572