Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Z. Mykytyuk"'
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 1, Pp 64-69 (2023)
The work of an optical sensor for determining the concentration of alcohols, in particular methanol, ethanol and isopropanol, based on a liquid crystal sensitive element, was studied. The sensitive element is a mixture of cholesteric liquid crystal C
Externí odkaz:
https://doaj.org/article/d456021462d74e7a8fbdecbf125c5159
Publikováno v:
Molecular Crystals and Liquid Crystals. 721:24-29
Use of a noninvasive method for the diagnosis of diabetes by determining the concentration of acetone in the air during exhalation has been suggested in the research. Optical sensor based on a mixt...
Autor:
Mariia Ivakh, A. S. Zaichenko, O. E. Sushynskyi, T. V. Prystai, Z. Mykytyuk, Iryna Kremer, O. M. Shevchuk
Publikováno v:
Molecular Crystals and Liquid Crystals. 699:57-62
In the article, the possibility of using the cholesteric liquid crystal mixture doped by the gold nanoparticles as an active medium of optical amino acid sensors is shown. The BLO-62 and the 5CB we...
Akademický článek
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Publikováno v:
2018 International Scientific-Practical Conference Problems of Infocommunications. Science and Technology (PIC S&T).
Liquid crystal materials are successfully used in different branches of medicine. It was proposed using cholesteric-nematic mixtures as a sensitive element of optic sensor for amino acids (valine and serine). Amino acids while interacting with liquid
Autor:
Roman Holyaka, Tomasz Ławicki, Volodymyr Virt, Grygoriy Barylo, Fedir Vezyr, Nursanat Askarova, Z. Mykytyuk, Maria Vistak
Publikováno v:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018.
Publikováno v:
2018 14th International Conference on Advanced Trends in Radioelecrtronics, Telecommunications and Computer Engineering (TCSET).
Optic properties of cholesterol liquid crystals promote their use as active elements of optic sensors for quantitative and qualitative evaluation of biological substances. The change of spectral characteristics of cholesterol liquid crystals occurs d
Autor:
Ja. M. Ilnytskyi, Maria Vistak, V. Kotsun, Z. Mykytyuk, O. Chaban, Orest Sushynskyi, Zenon Hotra, A. Fechan
Publikováno v:
Molecular Crystals and Liquid Crystals. 611:160-170
Liquid crystalline materials can be used as an active media for the new generation of planar light guides. The main characteristics which governs light-guiding and switching abilities of such devices are the spatial distributions of the refraction in
Publikováno v:
Molecular Crystals and Liquid Crystals. 589:83-89
A new approach to the creation of an active medium of optical gas sensors for the detection of carbon monoxide is proposed. The approach is based on the use of a liquid crystal host doped with iron compounds. Cholesteric liquid crystal CLC-2103L was
Autor:
Zenon Hotra, Z. Mykytyuk, O. Yasynovska, Oleksandra Hotra, O. Syshynskyy, A. Fechan, V. Kotsun
Publikováno v:
Molecular Crystals and Liquid Crystals. 535:225-232
We develop the method of determining the threshold voltages of a cholesteric-nematic transition which is based on the analysis of conoscopic images. To improve the measurement accuracy of the threshold voltages and to eliminate the effect of a radiat