Handheld Raman body fluid analyzer
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United States of America Patent
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Jan 26, 2010
Grant Date -
Oct 26, 2006
app pub date -
Jan 27, 2006
filing date -
Jan 27, 2005
priority date (Note) -
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Abstract
Methods and apparatus for in vitro detection of an analyte in a body fluid sample using low resolution Raman spectroscopy are disclosed. The body fluid analyzer includes a disposable strip for receiving a sample of body fluid on a target region, the target region including gold sol-gel to provide surface enhanced Raman scattering. A light source irradiates the target region to produce a Raman spectrum consisting of scattered electromagnetic radiation that is separated into different wavelength components by a dispersion element. A detection array detects at least some of the wavelength components of the scattered light and provides data to a processor for processing the data. The results of the processed data are displayed on a screen to inform a user about an analyte within the body fluid sample.
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