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Non-invasive optical assessment of tissue hydration

Authors Kumar, Gitesh
Schmitt, Joseph M.
Issue Date 1996
Source Proceedings of International Conference on Biomedical Engineering (BME '96), Hong Kong,Biomedical Division, The Hong Kong Institution of Engineers, Hong Kong , 3-5 June 1996, p. 139-142
Summary We examined techniques for non-invasive measurement of water content of skin by using diffuse reflectance near-infrared (800nm-1600nm) spectrophotometry. An in-vitro phantom with optical properties that mimic those of a wide range of soft tissues, but with a composition that can be altered in a controlled manner, was developed to test several different algorithms. The standard error of estimation of absolute water content from a four-wavelength linear regression, was found to be <±2%. The experimental results suggest that our approach can be used for assessment of acute dehydration.
Language English
Format Conference paper
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