29 December 1997 Spectral fluorescent properties of tissues in vivo with excitation in the red wavelength range
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Abstract
The spectral fluorescence analysis is a promising method for differential tissue diagnostic. Usually the UV and visible light is used for fluorescence excitation with emission registration in the visible wavelength range. The light penetration length in this wavelength range is very small allowing one to analyze only the surface region of the tissue. Here we present the tissue fluorescent spectra in vivo excited in the red wavelength region. As excitation light source we used compact He-Ne laser (632.8 nm) and observed the fluorescence in 650 - 800 nm spectral range. The various tissues including normal skin, psoriasis, tumors, necrosis as well as photosensitized tissues have been measured.
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Alexander A. Stratonnikov, Victor B. Loschenov, D. V. Klimov, N. E. Edinac, V. A. Wolnukhin, I. A. Strashkevich, "Spectral fluorescent properties of tissues in vivo with excitation in the red wavelength range", Proc. SPIE 3197, Optical Biopsies and Microscopic Techniques II, (29 December 1997); doi: 10.1117/12.297959; https://doi.org/10.1117/12.297959
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