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OCT Could Enable Noninvasive Diabetes Monitoring

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Researchers have developed a skin-implantable sensor for diabetes patients that makes the signal detected more specific to glucose.

David L. Shenkenberg, Associate News Editor

The majority of diabetes patients must prick themselves several times a day to monitor their glucose level. They then self-administer insulin or medication to ensure that their level remains within the appropriate range. Several light-based techniques promise to become noninvasive alternatives to traditional monitors by measuring glucose-induced changes in skin. However, several factors, such as variations in salt levels and in temperature as well as skin heterogeneity, can make glucose measurement with these noninvasive techniques difficult because they lower the signal-to-noise ratio. The...Read full article

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    Published: November 2007
    Glossary
    signal-to-noise ratio
    The ratio of the power in a desired signal to the undesirable noise present in the absence of a signal.
    Basic ScienceBiophotonicsdiabetesFeaturesMicroscopySensors & Detectorssignal-to-noise ratioskin heterogeneityspectroscopy

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