Abstract: Analysis of reflectance and autofluorescence spectra of in vivo human skin with eruthema was done. Monte Carlo simulation was used to model the tissue R and AF measurements. As a result the information about qualitative and quantitative changes of the main human skin chromophores, such as hemoglobin and melanin are, distribution within the skin tissue during the process of UV irradiation of the skin was obtained. The metabolic nature of investigated nonlinear process of UV radiation influence on the skin tissue can call interest as a problem of nonlinear dynamics. !20
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