Photoluminescence Spectra in Polycrystals of Chirally Pure and Racemic Phases of Tryptophan

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...

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Bibliographic Details
Published inOptics and spectroscopy Vol. 125; no. 1; pp. 144 - 147
Main Authors Gorelik, V. S., Umarov, M. F.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2018
Springer Nature B.V
Subjects
Applied Optics
CHIRALITY
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DATA PROCESSING
FIBER OPTICS
LASER RADIATION
Lasers
Optical Devices
Optical fibers
Optics
PERIODICITY
PHOTOLUMINESCENCE
Photonics
Physics
Physics and Astronomy
POLYCRYSTALS
PULSES
SPECTRA
SPECTROMETERS
TRYPTOPHAN
Ultraviolet lasers
ULTRAVIOLET RADIATION
WAVELENGTHS
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Summary: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.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X18070111