Abstract
The photoluminescence spectra of three crystalline phase modifications of aromatic amino acid tryptophan are compared: the left phase of L-tryptophan, the right phase of D-tryptophan, and the racemic phase of DL-tryptophan. The photoluminescence spectra were recorded using a fiber-optic procedure, a small-size FSD-8 spectrometer, and a data processing system that enables comparison of the analyzed spectrum with the spectrum of a reference substance. Photoluminescence was excited by a pulsed-periodic ultraviolet laser at a wavelength of 266 nm.
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Original Russian Text © V.S. Gorelik, M.F. Umarov, 2018, published in Optika i Spektroskopiya, 2018, Vol. 125, No. 1, pp. 137–140.
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Gorelik, V.S., Umarov, M.F. Photoluminescence Spectra in Polycrystals of Chirally Pure and Racemic Phases of Tryptophan. Opt. Spectrosc. 125, 144–147 (2018). https://doi.org/10.1134/S0030400X18070111
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DOI: https://doi.org/10.1134/S0030400X18070111