Analysis of skin oil by FT-IR spectroscopy

Keshava B. Dasarathy; Krishnan K. Chittur; Belur V. Dasarathy

doi:10.1117/12.258258

14 November 1996 Analysis of skin oil by FT-IR spectroscopy

Keshava B. Dasarathy, Krishnan K. Chittur, Belur V. Dasarathy

Proceedings Volume 2847, Applications of Digital Image Processing XIX; (1996) https://doi.org/10.1117/12.258258
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Secreted skin oil is a complex mixture of lipids, cholesterol, fatty acids, and a large number of other components. Its composition varies among individuals and with changes in physiology. In this paper, the feasibility of obtaining reproducible spectra of skin oils from individuals with a very simple, noninvasive technique is reported. Using pattern recognition algorithms, spectra could be classified on the basis of ethnicity and gender. Differences in spectra between individuals were larger than those between replicate samples taken from the same individual. While there are easier techniques for gender and ethnic identification, our purpose in this paper is to show that information of some value exists in skin-oil spectra. We believe that this approach could be used for such practical discrimination problems such as the determination of high and low cholesterol levels if confirmatory information for training such classifiers were available.

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Keshava B. Dasarathy, Krishnan K. Chittur, and Belur V. Dasarathy "Analysis of skin oil by FT-IR spectroscopy", Proc. SPIE 2847, Applications of Digital Image Processing XIX, (14 November 1996); https://doi.org/10.1117/12.258258

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KEYWORDS

Skin

Infrared radiation

Pattern recognition

Germanium

Crystals

Chemical analysis

FT-IR spectroscopy

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