Methods for optical skin clearing in molecular optical imaging in dermatology

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Description	Size	Format
Methods for optical skin clearing in molecular optical imaging in dermatology	1 MB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1134/S0006297919140098

Title: Methods for optical skin clearing in molecular optical imaging in dermatology
Creator: Lademann, Juergen
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Darvin, Maxim E.
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Tuchin, Valery V.
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Sdobnov, Anton Yu.
Date: 2019
DOI: 10.1134/S0006297919140098
Description: This short review describes recent progress in using optical clearing (OC) technique in skin studies. Optical clear-ing is an efficient tool for enhancing the probing depth and data quality in multiphoton microscopy and Raman spec-troscopy. Here, we discuss the main mechanisms of OC, its safety, advantages, and limitations. The data on the OC effect on the skin water content are presented. It was demonstrated that 70% glycerol and 100% OmnipaqueTM 300 reduce the water content in the skin. Both OC agents (OCAs) significantly affect the strongly bound and weakly bound water. However, OmnipaqueTM 300 causes considerably less skin dehydration than glycerol. In addition, the results of examination of the OC effect on autofluorescence in two-photon excitation and background fluorescence in Raman scattering at different skin depths are presented. It is shown that OmnipaqueTM 300 is a promising OCA due to its ability to reduce background fluo-rescence in the upper skin layers. The possibility of multimodal imaging combining optical methods and OC technique is discussed.