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Chemistry of vinylidene complexes. 6. Electrochemical reduction and UV spectra of vinylidene derivatives of cymantrene and complexes with an Mn-Pt bond [Text] / A. A. Ioganson [et al.] // Bulletin of the Academy of Sciences of the USSR. Division of Chemical Sciences. - 1987. - Т. 36, № 1. - P46-50, DOI 10.1007/BF00953843 . - ISSN 1066-5285. - ISSN 1573-9171

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РИНЦ
Держатели документа:
Institute of Chemistry and Chemical Engineering,Academy of Sciences of the USSR, Siberian Branch
Доп.точки доступа:
Ioganson, A.A.; Antonova, A.B.; Trukhacheva, V.A.; Brumakina, G.V.; Rubailo, A.I.; Maksimov, N.G.; Kovalenko, S.V.; Deikhina, N.A.
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Non-linear electromechanical properties and propagation of acoustic waves under the action of external static fields in the piezoelectric La3Ga5SiO14 / K. S. Aleksandrov [et al.] // Russ. Ultrason. - 1997. - Vol. 27, Is. 3. - P. 193-196 . - ISSN 0048-8828
Кл.слова (ненормированные):
Acoustic wave transmission -- Anisotropy -- Data reduction -- Electric field effects -- Electrostriction -- Lanthanum compounds -- Piezoelectric materials -- External static fields -- Nonlinear electromechanical properties (NEMP) -- Single crystals
Аннотация: A full set of parameters has been obtained for the linear and non-linear electrostriction properties of an La3Ga5SiO14 single crystal. The data have been used for an analysis of the anisotropy of the anharmonic effects and special features of the influence of a constant electric field on the propagation of acoustic waves in this crystal.

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Держатели документа:
Krasnoyarsk State Univ, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Turchin, P. P.; Sorokin, B. P.; Burkov, S. I.; Красноярский государственный университет
}
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Kaptsov, O. V.
Differential constraints and exact solutions of nonlinear diffusion equations / O. V. Kaptsov, I. V. Verevkin // J. Phys. A. - 2003. - Vol. 36, Is. 5. - P. 1401-1414, DOI 10.1088/0305-4470/36/5/315. - Cited References: 29 . - ISSN 0305-4470

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
REDUCTION
Аннотация: The differential constraints are applied to obtain explicit solutions of nonlinear diffusion equations. Certain linear determining equations with parameters are used to find such differential constraints. They generalize the determining equations used in the search for classical Lie symmetries.

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Держатели документа:
RAS, Inst Comp Modeling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute of Computing Modeling, RAS, Academgorodok, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Verevkin, I. V.
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Heat capacity study of relaxors BaTi0.65Zr0.35O3 and BaTi0.60Zr0.40O3 / M. . Gorev [et al.] // J. Phys.: Condens. Matter. - 2006. - Vol. 18, Is. 17. - P. 4407-4416, DOI 10.1088/0953-8984/18/17/026. - Cited References: 21 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
CERAMICS
BA(TI1-XZRX)O-3
BATIO3
Кл.слова (ненормированные):
Calorimetry -- Composition -- Data reduction -- Lead compounds -- Mathematical models -- Permittivity -- Specific heat -- Adiabatic calorimetry -- Burns temperature -- Diffuse anomalies -- Barium compounds
Аннотация: The heat capacity of two relaxors BaTi(1-x)ZrxO(3) (x = 0.35, 0.40) was measured using adiabatic calorimetry in the temperature range 100-360 K. The Cp(T) dependence of both compositions is characterized by the presence of two diffuse anomalies near the Burns temperature T-d and the temperature of the maximum in permittivity T-m in the temperature ranges 250-350 K and 120 200 K. The anomalous heat capacity near T-d was analysed taking into account the distribution of Zr concentration in nanoregions leading to the distribution of their transition temperatures into the polar phase. Excess heat capacity near Tm was discussed in the framework of the spherical random bond-random field model. The results are compared with the data obtained by the same procedures for PbMg1/3Nb2/3O3 studied experimentally earlier.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
CNRS, CEMES, F-31055 Toulouse, France
ИФ СО РАН
L V Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
CEMES-CNRS, 31055 Toulouse, France

Доп.точки доступа:
Gorev, M.; Bondarev, V.; Sciau, P.; Savariault, J. M.
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    Preparation and luminescence properties of the blue-emitting phosphor BaBPO5:Eu2+ / L. Zhang [et al.] // Sci. Adv. Mater. - 2016. - Vol. 8, Is. 5. - P. 1086-1092, DOI 10.1166/sam.2016.2704. - Cited References: 22. - This work was financially supported by the National Natural Science Foundation of China (NSFC Grant no. 51172216) and the Fundamental Research Funds for the Central Universities (Grant no. 2652015022). . - ISSN 1947-2935
   Перевод заглавия: Синтез и люминесцентные свойства синего люминофора BaBPO5:Eu2+

РУБ Nanoscience & Nanotechnology + Physics, Applied + Physics, Applied
Рубрики:
Energy-transfer
   Diodes
   Ions
   Eu3+
   Photoluminescence
   Reduction
   Tb3+
Кл.слова (ненормированные):
BaBPO5 -- Eu2+ -- Phosphor -- White light emitting diodes
Аннотация: Blue-emitting BaBPO5:xEu2+ phosphors were prepared by a high-temperature solid-state reaction route. The crystal phase, luminescence properties, lifetime, and thermal stability were investigated, respectively. The phase analysis indicated that BaBPO5 crystallize with the structure of stillwellite-type compounds. Under the excitation at 310 nm, the phosphor exhibited an asymmetric broad-band blue emission with peak at 410 nm, which was ascribed to the 4f-5d transition of Eu2+. It was further calculated that the dipole-dipole interactions were responsible for a concentration quenching effect in BaBPO5:xEu2+ phosphors at x = 0.08. The lifetime decreased with the increasing concentration of Eu2+ ions. The temperature-dependent emission spectra indicated an excellent thermal stability of the BaBPO5:0.08Eu2+ samples. Surface morphology and CIE coordinate were also investigated. All the properties assessed indicated that the developed blue-emitting BaBPO5:Eu2+ phosphor is a good candidate for application in white-light emitting diodes. © 2016 by American Scientific Publishers.

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Держатели документа:
School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing, China
National Engineering Research Center for Rare Earth Materials, General Research Institute for Nonferrous Metals, Grirem Advanced Materials Co., Ltd., Beijing, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation

Доп.точки доступа:
Zhang, L.; Fang, M.; Huang, Z.; Liu, Y.; Min, X.; Tang, H.; Chen, K.; Guan, M.; Molokeev, M. S.; Молокеев, Максим Сергеевич
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Short-term culture of monocytes as an in vitro evaluation system for bionanomaterials designated for medical use / E. I. Shishatskaya [et al.] // Food Chem. Toxicol. - 2016. - Vol. 96. - P. 302-308, DOI 10.1016/j.fct.2016.08.025. - Cited References: 46 . - ISSN 0278-6915

РУБ Food Science & Technology + Toxicology
Рубрики:
MAGNETIC NANOPARTICLES
   CELLULAR REDUCTION
   PROTEIN CORONA
   CELLS
   MECHANOTRANSDUCTION
   NANOMATERIALS
   LOCALIZATION
   BIOMATERIALS
   CYTOSKELETON
   ACTIVATION
Кл.слова (ненормированные):
Biocompatible biopolymers -- Polyhydroxyalkanoates -- Nanomaterials -- Nanodiamonds -- Fullerenes -- Bio-nanomaterials -- Monocytes
Аннотация: We studied the feasibility of using a short-term culture of monocytes, isolated from peripheral donor blood, to assess the biological activity of different types of bionanomaterials (BNM): biodegradable polimeric particles, fiber and film substrates of micro- and nano-dimensions, fullerenes (F) and nanodiamonds (ND), which are either currently in use and/or potentially applicable in medicine. Additionally, the effect of creating a protein corona on ND and F particles was investigated. The cellular reduction of (4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) is a well-established tool for assessing the viability/metabolic activity of cells. The scanning electron microscopy assay can detect fine changes in cell morphology. In the present study BNM have been shown to affect; in a size, chemical composition and morphological characteristics-dependent manner, the ability of monocytes to reduce MTT as well as their morphology. Moreover, the specific effects of ND and F on MTT reduction and cell morphology were exhibited in a dose-dependent manner and sensitive to the formation of surface protein corona. Our results suggest that short-term culture of monocytes is a sensitive model system for assessing the biological effects of BMPs in vitro. © 2016 Elsevier Ltd

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Держатели документа:
Siberian Federal University, Svobodnuy Av. 79, Krasnoyarsk, Russian Federation
Laboratory of Anatomy, Histology, Embryology, School of Medicine, University of Crete, Heraklion, Greece
Institute of Physics, Russian Academy of Science, Siberian Division, Akademgorodok, 50, Build. 38, Krasnoyarsk, Russian Federation
Laboratory of Toxicology, Medical School, University of Crete, Heraklion, Greece

Доп.точки доступа:
Shishatskaya, E. I.; Шишацкая, Екатерина Игоревна; Nikitovic, D.; Shabanov, A. V.; Шабанов, Александр Васильевич; Tzanakakis, G. N.; Tsatsakis, A. M.; Menzianova, N. G.
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Effect of ultrasonic treatment on magnetic ferrihydrite nanoparticles in a suspended state / S. V. Stolyar [et al.] // Bull. Russ. Acad. Sci. Phys. - 2017. - Vol. 81, Is. 5. - P. 608-611, DOI 10.3103/S1062873817050227. - Cited References: 11 . - ISSN 1062-8738
Кл.слова (ненормированные):
Nanoparticles -- Ultrasonic equipment -- Fe-ions -- Ferrihydrites -- Metal reduction -- Metal state -- Organic components -- Ssbauer spectroscopies -- Ultrasonic treatments -- Nanomagnetics
Аннотация: Dried sediments of magnetic ferrihydrite nanoparticles subjected to ultrasonic treatment in the cavitation mode are studied via Mossbauer spectroscopy. Fe ions are reduced to the metal state. In all experiments with detected metal reduction, the investigated suspensions contain organic components. © 2017, Allerton Press, Inc.

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Публикация на русском языке Влияние ультразвуковой обработки на магнитные наночастицы ферригидрита в суспензионном состоянии [Текст] / С. В. Столяр, О. А. Баюков, В. П. Ладыгина [и др.] // Изв. РАН. Сер. физич. - 2017. - Т. 81 № 5. - С. 660-663

Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
International Scientific Center for Studying the Extreme States of an Organism, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Bayukov, O. A.; Баюков, Олег Артемьевич; Ladygina, V. P.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Yaroslavtsev, R. N.
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Effect of molecular weight of sodium polyacrylates on the size and morphology of nickel nanoparticles synthesized by the modified polyol method and their magnetic properties / O. A. Logutenko [et al.] // Eur. Polym. J. - 2018. - Vol. 99. - P. 102-110, DOI 10.1016/j.eurpolymj.2017.12.017. - Cited References: 26. - This work was supported by the Russian Science Foundation, research project No. 15-13-00113. . - ISSN 0014-3057
Кл.слова (ненормированные):
Nickel nanoparticles -- Sodium polyacrylate -- Polyol -- Reduction -- Magnetic properties
Аннотация: Nickel nanoparticles were synthesized by the reduction of nickel chloride with hydrazine hydrate in a polyol medium in the presence of sodium polyacrylates (Na-PA) having molecular weights (Mw) of 1200, 5100 and 8000. The size and morphology of the resulting nickel nanoparticles were characterized by X-ray diffraction, scanning and transmission electron microscopy. Polymers having lower Mw values were found to be more efficient in reducing the nickel particle size. A decrease in the polymer concentrations yielded the smaller particles. Magnetic measurements showed that the as-prepared powders are ferromagnetic and their saturation magnetization and coercivity are size-dependent. Compared with bulk nickel, the nanoparticles exhibit an enhanced coercivity which is due to their small size and a decreased saturation magnetization resulted from the surface oxidation of the powder. The synthesis procedure offers a simple approach to preparing nickel nanopowders on a large scale which could be used as magnetic recording materials, including high-density memory storage devices.

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Держатели документа:
Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, Kutateladze, 18, Novosibirsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Academgorodok, 50/12, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Logutenko, O. A.; Titkov, A. I.; Vorob'yov, A. M.; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Yukhin, Y. M.; Lyakhov, N. Z.
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Stability and electronic properties of PtPd nanoparticles via MD and DFT calculations / I. V. Chepkasov [et al.] // J. Phys. Chem. C. - 2018. - Vol. 122, Is. 31. - P. 18070-18076, DOI 10.1021/acs.jpcc.8b04177. - Cited References: 62. - The authors are grateful to Vladislav A. Kalyuzhny for the assistance with the computational resources. The research is carried out using the equipment of the shared research facilities of HPC computing resources at Lomonosov Moscow State University and resources of the Center for the Information and Computing of Novosibirsk State University. The work was supported by the Russian Foundation for Basic Research (RFBR no. 17-42-190308-r) and Foundation for Assistance to Small Innovative Enterprises (FASIE) (Project no. 0033625). E.A.K. would also like to thank the Ministry of Education and Science of the Russian Federation (the government contract to Siberian Federal University, grant no. 16.1455.2017/PCh) and the Foundation for Assistance to Small Innovative Enterprises (FASIE) (Project no. 0033639). . - ISSN 1932-7447

РУБ Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
OXYGEN REDUCTION REACTION
CORE-SHELL NANOPARTICLES
GAS-PHASE
Аннотация: The structural as well as electronic properties of PtPd nanoparticles (NPs) were investigated by using molecular dynamics simulations and density functional theory calculations. A wide range of NPs of different sizes (from 1.5 to 4 nm), structures (core–shell, alloy, Janus), and compositions were taken into consideration. It was shown that PtPd NPs of less than ∼2.0 nm are prone to structural transformations to icosahedral (Ih) shape, regardless of their initial structure and composition. On the other hand, for NPs of size ∼2.5 nm, the increase of temperature up to 700–900 K leads to structural changes only for compositions close to 40% Pt, which corresponds to energetic minimum for Pt@Pd NPs. The Ih form of Pd@Pt NPs with monolayer thickness of Pt on the surface appears to have the most negatively charged surface which makes this kind of NPs the best candidate for catalysis application.

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Держатели документа:
Katanov Khakas State Univ, 90 Lenin Pr, Abakan 655017, Russia.
Kirensky Inst Phys, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Natl Univ Sci & Technol MISiS, 4 Leninskiy Pr, Moscow 119049, Russia.

Доп.точки доступа:
Chepkasov, I. V.; Visotin, M. A.; Высотин, Максим Александрович; Kovaleva, E. A.; Manakhov, A. M.; Baidyshev, V. S.; Popov, Z. I.; Russian Foundation for Basic Research (RFBR) [17-42-190308-r]; Foundation for Assistance to Small Innovative Enterprises (FASIE) [0033625, 0033639]; Ministry of Education and Science of the Russian Federation (the government contract to Siberian Federal University) [16.1455.2017/PCh]
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10.

Novel Derivatives of Adamantyl-substituted Quinolin-6-amines and Synthesis of Imidazo[4,5-f]quinolines Therefrom / A. A. Abramov [et al.] // Russ. J. Organ. Chem. - 2019. - Vol. 55, Is. 8. - P. 1234-1237, DOI 10.1134/S1070428019080256. - Cited References: 7 . - ISSN 1070-4280. - ISSN 1608-3393

РУБ Chemistry, Organic

Кл.слова (ненормированные):
amination -- adamantanylalkylamines -- reduction -- cyclization -- 5-nitroso-6-quinolinamines -- quinoline-5,6-diamines -- 3H-imidazo[4,5-f]quinolines
Аннотация: N-(Adamantan-1-yl)alkyl-substituted 5-nitrosoquinolin-6-amines were synthesized for the first time by the amination of 5-nitrosoquinolin-6-ol with primary N-[(adamantan-1-yl)alkyl]amines. The resulting nitrosoquinolinamines were reduced with hydrazine hydrate over Pd/C to N6-[(adamantan-1-yl)alkyl]quinoline-5,6-diamines. The latter were heated in formic acid to obtain previously unknown 3-[(adamantan-1-yl)alkyl]-3H-imidazo[4,5-f]quinolines.

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Публикация на русском языке

Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, Pr Im Gazety Krasnoyarskii Rabochii 31, Krasnoyarsk 660037, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk Res Ctr, Akad Gorodok 50,Stroenie 24, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Krasnoyarsk Res Ctr, Siberian Branch, Kirenskii Inst Phys, Akad Gorodok 50,Stroenie 38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Abramov, A. A.; Kulagina, M. V.; Gavrilova, N. A.; Semichenko, E. S.; Kondrasenko, A. A.; Suboch, G. A.
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