Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Alexey S. Nizamutdinov"'
Autor:
Alina I. Khusainova, Alexey S. Nizamutdinov, Nail I. Shamsutdinov, Svetlana Kalinichenko, Damir I. Safin, Marat Gafurov, Elena V. Lukinova, Sergey Kh. Batygov, Sergey V. Kuznetsov, Sergey V. Zinchenko, Pavel V. Zelenikhin, Maksim Pudovkin
Publikováno v:
Materials, Vol 17, Iss 2, p 316 (2024)
The Ce0.5Y0.35Tb0.15F3 nanoparticles with a CeF3 hexagonal structure were synthesized using the co-precipitation technique. The average nanoparticle diameter was 14 ± 1 nm. The luminescence decay curves of the Ce0.5Y0.35Tb0.15F3 nanoparticles (λem
Externí odkaz:
https://doaj.org/article/8be7c28824d54d01a7fdda6c4ec17e6e
Autor:
Alexey S. Nizamutdinov, Sergey V. Gushchin, Sergey A. Bukarev, Alexey A. Shavelev, Mikhail A. Marisov, Ainur A. Shakirov, Airat G. Kiiamov, Anna V. Astrakhantseva, Andrey A. Lyapin
Publikováno v:
Конденсированные среды и межфазные границы, Vol 24, Iss 3 (2022)
Increasing the efficiency of upconversion luminophores is an important problem in materials science. Here we report on approach of use of disordered crystals namely solid solutions BaY1.8Lu0.2F8 doped with Er3+ ions to improve spectral characteristic
Externí odkaz:
https://doaj.org/article/83473fee21804414aa97146a820a4c5c
Autor:
Maksim S. Pudovkin, Pavel V. Zelenikhin, Victoria Shtyreva, Oleg A. Morozov, Darya A. Koryakovtseva, Vitaly V. Pavlov, Yury N. Osin, Vladimir G. Evtugyn, Albert A. Akhmadeev, Alexey S. Nizamutdinov, Vadim V. Semashko
Publikováno v:
Journal of Nanotechnology, Vol 2018 (2018)
The Pr3+:LaF3 (CPr = 3, 7, 12, 20, 30%) nanoparticles were characterized by means of high-resolution transmission electron microscopy, X-ray diffraction, optical spectroscopy, energy dispersive X-ray spectroscopy, dynamic light scattering, and MTT as
Externí odkaz:
https://doaj.org/article/6f87ec947c054f0e9acf86cddef26733
Autor:
Alexey S. Nizamutdinov, T. A. Telegina, Andrey A. Buglak, E. I. Madirov, Mikhail S. Kritsky, Y. N. Obuhov, Yu. L. Vechtomova
Publikováno v:
Applied Biochemistry and Microbiology. 57:571-578
The processes of the autooxidation and photooxidation of tetrahydrobiopterin (Н4Bip) (a coenzyme present in a three- to fivefold excess in vitiligo) were studied in the context of vitiligo pathology and treatment. The study of the kinetics of Н4Bip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c11d1715327d23a26a6d500636dfcab
https://doi.org/10.1134/s000368382105015x
https://doi.org/10.1134/s000368382105015x
Autor:
A. G. Kiyamov, Maxim Pudovkin, Alexey S. Nizamutdinov, E.I. Madirov, E. V. Lukinova, D. D. Andreeva, Stella L. Korableva, Vadim V. Semashko
Publikováno v:
Journal of Applied Spectroscopy. 87:481-487
Crystalline nanoparticles of Y0.5–xCe0.5TbxF3, doped with various concentrations (x = 0, 0.005, 0.01, 0.05, 0.1, 0.15, and 0.2) of Tb3+ ions were synthesized by co-precipitation. The crystal structure and chemical composition of nanoparticles were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbe9ae0fe987a0dcc25d1f5fadb674bb
https://doi.org/10.1007/s10812-020-01027-w
https://doi.org/10.1007/s10812-020-01027-w
Autor:
Sergey V. Kuznetsov, Vadim V. Semashko, A.R. Khadiev, Sergey S. Kharintsev, Vladimir Ivanov, E.I. Madirov, Valery V. Voronov, A. D. Yapryntsev, K S Tsoy, Alexey S. Nizamutdinov
Publikováno v:
Nanosystems: Physics, Chemistry, Mathematics. 11:316-323
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b85be35fe4a0434ac75a1028464bd0b
https://doi.org/10.17586/2220-8054-2020-11-3-316-323
https://doi.org/10.17586/2220-8054-2020-11-3-316-323
Autor:
Alexander N. Solodov, Julia Shayimova, Dinar Balkaev, Alexey S. Nizamutdinov, Konstantin Zimin, Airat G. Kiiamov, Rustem R. Amirov, Ayrat M. Dimiev
Publikováno v:
Additive Manufacturing. 59:103094
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e832fa963886d69875b4ba23a704d2ce
https://doi.org/10.1016/j.addma.2022.103094
https://doi.org/10.1016/j.addma.2022.103094
Publikováno v:
Journal of Nanoparticle Research. 23
The article represents the transmission electron microscopy (TEM) and flow cytometry study of A-549 (human lung carcinoma) cellular uptake of unmodified Pr3+:LaF3 nanoplates and nanospheres after 2, 10, and 24 h of nanoparticles exposure. The studied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13a8c4e6baf0ff0b7ae83329a4e0834e
https://doi.org/10.1007/s11051-021-05249-7
https://doi.org/10.1007/s11051-021-05249-7
Autor:
S. V. Kuznetsov, Vadim V. Semashko, E.I. Madirov, A.R. Khadiev, Alexey S. Nizamutdinov, A. N. Nakladov, M. A. Marisov, V. A. Konyushkin, Valery V. Voronov
Publikováno v:
Journal of Applied Spectroscopy. 86:795-801
Spectral and luminescence characteristics of GdF3:Pr:Yb and YF3:Pr:Yb solid solutions synthesized by crystallization from the melt were investigated. Down-conversion luminescence of Yb3+ in the region of 2F5/2 → 2F7/2 transitions with 445-nm excita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4a3a38c4ddb5b78aaf54d91d834b052
https://doi.org/10.1007/s10812-019-00895-1
https://doi.org/10.1007/s10812-019-00895-1
Autor:
Valery V. Voronov, E.I. Madirov, Vladimir Ivanov, V. Yu. Proydakova, Alexey D. Yapryntsev, M. A. Marisov, Vadim V. Semashko, Pavel P. Fedorov, V.G. Gorieva, Sergey V. Kuznetsov, Alexey S. Nizamutdinov
Publikováno v:
Inorganic Materials. 55:1031-1038
Single-phase Sr1– x – yYbxEuyF2+ x + y solid solutions with an average particle size near 90 nm have been synthesized via co-precipitation from aqueous solutions, followed by high-temperature annealing. Efficient Yb3+ luminescence was observed up
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::264417304cba3b7ca0772e3970d59cd9
https://doi.org/10.1134/s002016851910008x
https://doi.org/10.1134/s002016851910008x