Search Results - "SERGEEV, A.A."

Characterization and photocatalytic activity of SiO2, FeOx coatings formed by plasma electrolytic oxidation of titanium by Vasilyeva, M.S., Rudnev, V.S., Zvereva, A.A., Kilin, K.N., Sergeev, A.A., Sergeeva, K.A., Nepomnyaschiy, A.V., Voznesenskiy, S.S., Ustinov, A.Yu

“…SiO2, FeOx coatings were fabricated by plasma electrolytic oxidation of titanium in a silicate electrolyte with an addition of K3[Fe(CN)6]. The structure and…”
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Numerical simulation of nonlinear photoionization of metal microparticles by Sergeev, A.A., Ivakin, S.V., Serdobintsev, P. Yu, Boreysho, A.S.

“…The paper presents the model of a multiphoton ionization of micron-sized metal particles as a process of cascade transitions of electrons through a discrete…”
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Estimation of the thermal state and the destruction limits of the Cr:LiSAF laser active medium by Krasnyh, V.V., Kiselev, I.A., Sergeev, A.A.

“…The article includes estimation of thermal operating conditions of laser with an Cr:LiSAF active medium. The results of thermal state simulation depending on…”
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Ordered photonic nanojet arrays for luminescent optical sensing in liquid and gaseous media by Sergeeva, K.A., Tutov, M.V., Zhizhchenko, A.Y., Cherepakhin, A.B., Leonov, A.A., Chepak, A.K., Mironenko, A.Y., Sergeev, A.A.

“…Here we demonstrate a novel sensor structure based on ordered arrays of dielectric microstructures produced via CMOS-compatible technology. The microstructures…”
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On/off rhodamine based fluorescent probe for detection of Au and Pd in aqueous solutions by Mironenko, A.Yu, Tutov, M.V., Sergeev, A.A., Voznesenskiy, Bratskaya, S.Yu

“…•A water-soluble turn on/off rhodamine 6G based fluorescent probe has been developed.•The probe fluorescence is selectively quenched upon addition of Au and Pd…”
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Ti/TiO2-CoWO4-Co3(PO4)2 composites: Plasma electrolytic synthesis, optoelectronic properties, and solar light-driven photocatalytic activity by Vasilyeva, M.S., Lukiyanchuk, I.V., Sergeev, A.A., Ustinov, A.Yu, Sergeeva, K.A., Kuryavyi, V.G.

“…Co-, W-, and P-containing oxide heterostructures on titanium substrates have been obtained by plasma electrolytic oxidation at current densities of 0.1 and…”
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Crystal structure and optical properties of the Bi–Fe–W–O pyrochlore phase synthesized via a hydrothermal method by Lomakin, M.S., Proskurina, O.V., Sergeev, A.A., Buryanenko, I.V., Semenov, V.G., Voznesenskiy, S.S., Gusarov, V.V.

“…•Bi-based pyrochlore (BFWO) with various structural and dimensional parameters was synthesized via hydrothermal process.•It is shown that the particles of the…”
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Plasma electrolytic synthesis and characterization of oxide coatings with MWO4 (M = Co, Ni, Cu) as photo-Fenton heterogeneous catalysts by Vasilyeva, M.S., Lukiyanchuk, I.V., Sergeev, A.A., Sergeeva, K.A., Ustinov, A.Yu, Tkachev, V.V., Arefieva, O.D.

“…Titanium-supported oxide coatings with MWO4 (M = Cu, Ni, or Co) were formed by the single-stage plasma electrolytic oxidation of titanium in alkaline…”
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Highly-sensitive fluorescent detection of chemical compounds via photonic nanojet excitation by Sergeeva, K.A., Tutov, M.V., Voznesenskiy, S.S., Shamich, N.I., Mironenko, A. Yu, Sergeev, A.A.

“…•A novel photonic nanojet-based sensor system has been developed.•This system is an array of Al2O3 microspheres covered with a polymer layer impregnated with a…”
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Integral assessment of the quality of drinking water in settlements of the Murmansk region by Tikhonova N.A., Novikova Yu.A., Myasnikov I.O., Fedorov V.N., Sergeev A.A., Dmitrievskaya S.V.

“…For the timely adoption of management decisions to improve the drinking water quality, predict and control the level of diseases associated with the water…”
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H2S optical waveguide gas sensors based on chitosan/Au and chitosan/Ag nanocomposites by Mironenko, A.Yu, Sergeev, A.A., Nazirov, A.E., Modin, E.B., Voznesenskiy, S.S., Bratskaya, S.Yu

“…•Chitosan/Au, Ag composites were fabricated by “in situ” reduction of metal precursors.•Obtained composite coatings were characterized using UV–vis…”
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Synthesis and optical properties of rhodamine terminated organosilicon dendrimers by Tutov, M.V., Sergeev, A.A., Shamich, N.I., Chepak, A.K., Mironenko, A.Yu

“…Here we report on the synthesis of a series of branched organosilicon compounds bearing 2, 4, 6, 8, 12, 16 and 24 rhodamine 6G groups using the click…”
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Dendrimeric rhodamine based fluorescent probe for selective detection of Au by Tutov, M.V., Sergeev, A.A., Zadorozhny, P.A., Bratskaya, S.Yu, Mironenko, A.Yu

“…•Dendrimeric rhodamine-derived fluorescent probe has been developed.•The response mechanism is based on the catalytic destruction of dendrimer.•The probe…”
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In situ-Synthesized cadmium sulfide quantum dots in pore-forming protein and polysaccharide matrices for optical biosensing applications by Sergeev, A.A., Naberezhnykh, G.A., Khomenko, V.A., Amosov, A.V., Nepomnyaschiy, A.V., Solov’eva, T.F., Chistyulin, D.K., Tutov, M.V., Kulchin, Yu.N., Novikova, O.D.

“…The main limitation for practical implementation of quantum dots-based sensors and biosensors is the possible contamination of sensing media with quantum dots…”
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Integrated-optical sensors based on chitosan waveguide films for relative humidity measurements by Voznesenskiy, S.S., Sergeev, A.A., Mironenko, A.Yu, Bratskaya, S.Yu, Kulchin, Yu.N.

“…Here we report on fabrication and properties of integrated-optical sensors for relative humidity detection based on waveguide films of chitosan in neutral and…”
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Role and behavior of ultra-thin gold films on the fiber materials surface in the CO oxidation process by Lukiyanchuk, I.V., Vasilyeva, M.S., Sergeev, A.A., Nepomnyashchii, A.V., Serov, M.M., Krit, B.L.

“…The work continues a series of studies aimed at enhancing catalytic properties of metal fibers formed by the pendant drop melt extraction (PDME) method. In…”
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Titania coatings decorated with ultra-thin gold films: Optical, electrochemical and photoelectrochemical properties by Vasilyeva, M.S., Lukiyanchuk, I.V., Sergeeva, K.A., Sergeev, A.A., Shchitovskaya, E.V., Egorkin, V.S., Kuryavii, V.G., Ustinov, A.Yu, Sinebryukhov, S.L., Gnedenkov, S.V.

“…The coating with a porous structure, having a good adhesion to the substrate and containing titanium dioxide in the modifications of rutile and anatase, has…”
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Specific features of europium tris-benzoylacetonate sensor response to gaseous ammonia by Voznesenskiy, S.S., Sergeev, A.A., Mirochnik, A.G., Leonov, A.A., Petrochenkova, N.V., Shishov, A.S., Emelina, T.B., Kulchin, Yu N.

“…•We report the original sensor material for the gaseous ammonia detection.•Sensor material is based on luminescent Eu(III) tris-benzoylacetonate complexes.•In…”
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Smallpox vaccination in a mouse model by Shchelkunov, S N, Sergeev, A A, Pyankov, S A, Titova, K A, Yakubitskiy, S N

“…The monkeypox epidemic, which became unusually widespread among humans in 2022, has brought awareness about the necessity of smallpox vaccination of patients…”
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pH-indicators doped polysaccharide LbL coatings for hazardous gases optical sensing by Mironenko, A. Yu, Sergeev, A.A., Voznesenskiy, S.S., Marinin, D.V., Bratskaya, S. Yu

“…► Exponentially growing LbL films of marine polysaccharides have been built up. ► Congo red and bromothymol blue entrapped in LbL form optical sensitive…”
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