Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Anton Polishchuk"'
Publikováno v:
Biosensors, Vol 13, Iss 6, p 609 (2023)
The urea breath test is a non-invasive diagnostic method for Helicobacter pylori infections, which relies on the change in the proportion of 13CO2 in exhaled air. Nondispersive infrared sensors are commonly used for the urea breath test in laboratory
Externí odkaz:
https://doaj.org/article/06b33766e8a04198bb9775a9eaa9ddaa
Autor:
Vladimir Vitkin, Anton Polishchuk, Ian Chubchenko, Evgeniy Popov, Konstantin Grigorenko, Artem Kharitonov, Arsen Davtian, Anton Kovalev, Valeria Kurikova, Patrice Camy, Pavel Loiko, Magdalena Aguiló, Francesc Díaz, Xavier Mateos
Publikováno v:
Applied Sciences, Vol 10, Iss 21, p 7473 (2020)
A compact Raman laser gas spectrometer is developed. It comprises a high-power green laser at 532.123 nm as an excitation source and a specially designed gas cell with an internal volume of less than 0.6 cm3 that can withstand gas pressures up to 100
Externí odkaz:
https://doaj.org/article/526431400e27425887e44a58430dece8
Publikováno v:
Biosensors; Volume 13; Issue 6; Pages: 609
The urea breath test is a non-invasive diagnostic method for Helicobacter pylori infections, which relies on the change in the proportion of 13CO2 in exhaled air. Nondispersive infrared sensors are commonly used for the urea breath test in laboratory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::0442703c5edc5fc14e5b78f47b134a52
Autor:
Vladimir Vitkin, Pavel Loiko, Liza Basyrova, Anton Polishchuk, Daria Zavirukha, Jens Klimke, Adrian Goldstein
Publikováno v:
2022 International Conference Laser Optics (ICLO).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8859255c87ecbe5b3ca60cb55503e430
https://doi.org/10.1109/iclo54117.2022.9840335
https://doi.org/10.1109/iclo54117.2022.9840335
Autor:
Pavel Loiko, S. S. Zapalova, Aleksander A. Zhilin, Vladimir Vitkin, Anton Polishchuk, V.V. Kurikova, Daria Zavirukha, Olga Dymshits, Irina Alekseeva
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Jun 2021, Munich, Germany. pp.1-1, ⟨10.1109/CLEO/Europe-EQEC52157.2021.9541850⟩
Scopus-Elsevier
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Jun 2021, Munich, Germany. pp.1-1, ⟨10.1109/CLEO/Europe-EQEC52157.2021.9541850⟩
Scopus-Elsevier
Spinel (MgAl 2 O 4 ) single crystals doped with cobalt ions (Co 2+ ) are known as efficient saturable absorbers (SAs) of eye-safe erbium (Er) laser emitting at 1.5–1.7 μm. Their saturable absorption originates from the 4 A 2 ( 4 F) → 4 T 1 ( 4 F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::578dd67e5c1ddadd136ae83356098548
https://hal.science/hal-03368739/document
https://hal.science/hal-03368739/document
Publikováno v:
2020 International Conference Laser Optics (ICLO).
A method of quantitative analysis of 12CO 2 , 13CO 2 , 12CH 4 and 13CH 4 gases based on Raman spectroscopy is developed. The Raman spectra of isotopically enriched (>99.5%) gases are measured and compared. The concentration detection limit and the me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc623636226b42d10b3a55d1e89fecf6
https://doi.org/10.1109/iclo48556.2020.9285841
https://doi.org/10.1109/iclo48556.2020.9285841
Publikováno v:
2020 International Conference Laser Optics (ICLO).
We present an effective system for detecting carbon isotopes 12CO 2 and 13CO 2 in human breath with an extremely low concentration level of ~0.01%. The Raman detector consists of a 5W-CW-solid-state laser at 532 nm, a focusing system, a gas cell and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dacab2d8267efa6bc623d6ca12cf4ba
https://doi.org/10.1109/iclo48556.2020.9285881
https://doi.org/10.1109/iclo48556.2020.9285881
Autor:
Vladimir Vitkin, V. V. Vasiliev, Konstantin Grigorenko, Anton Polishchuk, E. E. Popov, V.V. Kurikova
Publikováno v:
2020 International Conference Laser Optics (ICLO).
This paper presents quite simple solution for raising intensity of radiation in a beam waist of a Raman gas analyzer. Laser linewidth used in an experiment ~21.2 MHz. The interferometer length is limited by a cuvette size. To compensate instabilities
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c649db5c0ccf1fb311fe3b29eeaeac2
https://doi.org/10.1109/iclo48556.2020.9285391
https://doi.org/10.1109/iclo48556.2020.9285391
Publikováno v:
2020 International Conference Laser Optics (ICLO).
We report on the Raman spectrum of chemically pure and isotopically enriched (>99.9% 13C) methane 13CH4 gas measured using a specially developed Raman gas spectrometer intended for the qualitative analysis of atmosphere impurities. The spectrum is me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bee5936d7c7b6ef5db719e7a6f53a1c5
https://doi.org/10.1109/iclo48556.2020.9285805
https://doi.org/10.1109/iclo48556.2020.9285805
Autor:
A. A. Kharitonov, Francesc Díaz, Konstantin Grigorenko, Magdalena Aguiló, Patrice Camy, Vladimir Vitkin, Ian Chubchenko, Xavier Mateos, Pavel Loiko, V.V. Kurikova, Anton Polishchuk, Arsen Davtian, Anton V. Kovalev, Evgeniy Popov
Publikováno v:
Applied Sciences, Vol 10, Iss 7473, p 7473 (2020)
Applied Sciences
Applied Sciences, 2020, 10 (21), pp.7473. ⟨10.3390/app10217473⟩
Volume 10
Issue 21
Applied Sciences, MDPI, 2020, 10 (21), pp.7473. ⟨10.3390/app10217473⟩
Applied Sciences
Applied Sciences, 2020, 10 (21), pp.7473. ⟨10.3390/app10217473⟩
Volume 10
Issue 21
Applied Sciences, MDPI, 2020, 10 (21), pp.7473. ⟨10.3390/app10217473⟩
A compact Raman laser gas spectrometer is developed. It comprises a high-power green laser at 532.123 nm as an excitation source and a specially designed gas cell with an internal volume of less than 0.6 cm3 that can withstand gas pressures up to 100
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::626d93b17275178d0fe91cc39d7e1aca
https://www.mdpi.com/2076-3417/10/21/7473
https://www.mdpi.com/2076-3417/10/21/7473