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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Trofimova N. N., Veligzhanin A. A., Murzin V.Y, Chernyshov A. A., Khramov E. V., Zabluda V. N., Edel'man I. S., Slovokhotov Y. L., Zubavichus Y. V.
Заглавие : Structural diagnostics of functional nanomaterials with the use of X-ray synchrotron radiation
Место публикации : Nanotechnologies in Russia. - 2013. - Vol. 8, Is. 5-6. - P.396-401. - ISSN 1995-0780, DOI 10.1134/S1995078013030191
Ключевые слова (''Своб.индексиров.''): experimental facilities--functional nano materials--kurchatov synchrotron radiation--magnetic nano-particles--research capabilities--structural diagnostics--structural elements--x-ray synchrotron radiation--nanostructured materials--synchrotron radiation
Аннотация: An experimental facility for the complex X-ray diagnostics of functional nanomaterials (Structural Materials Science beamline) installed at the Kurchatov Synchrotron Radiation Center is presented. The key structural elements of the beamline are described. The research capabilities of the facility are demonstrated by the example of transparent magnets and glasses with magnetic nanoparticles, which are promising for the design of magneto-optical data storage and spintronics devices.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Трофимова Н. Н., Велигжанин А. А., Мурзин В. Ю., Чернышов А. А., Храмов Е. В., Заблуда, Владимир Николаевич, Эдельман, Ирина Самсоновна, Словохотов Ю. Л., Зубавичус Я. В.
Заглавие : Структурная диагностика функциональных наноматериалов с использованием рентгеновского синхротронного излучения
Место публикации : Рос. нанотехнологии. - М.: Парк-медиа, 2013. - Т. 8, № 5-6. - С. 108-112
Аннотация: Представлена экспериментальная установка комплексной рентгеновской диагностики функциональных наноструктурированых материалов – станция «Структурное материаловедение», установленная на Курчатовском источнике синхротронного излучения. Дано описание ключевых конструктивных элементов станции. Исследовательские возможности станции продемонстрированы на примере «прозрачных магнитов» – стекол с магнитными наночастицами, перспективных для дизайна устройств магнитооптического хранения информации и спинтроники.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zabluda V. N., Kosyrev N. N., Varnakov S. N., Ovchinnikov S. G., Tarasov I. A., Lyashchenko S. A., Shvetsov D. V., Maksimova O. A., Yakovlev I. A., Shvets V. A., Rykhlitsky S. V.
Заглавие : In situ spectral magnetoellipsometry for structural, magnetic and optical properties of Me/Si (Me=Mn,Fe) nanolayers
Коллективы : International conference nanomaterials: applications and properties
Место публикации : Proc. int. conf. nanomaterials: application and properties. - 2013. - Vol. 2, No. 3. - P.03AET11
Материалы конференции
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Sokolov A. E., Zabluda V. N., Ovchinnikov S. G., Knyazev B. A., Gerasimov V. V., Michlin J. L., Veshnyakova E.A., Zubavichus Y. V., Kalsin A. M.
Заглавие : Magnetooptics in gold and silver nanosizes low-dimensional objects
Коллективы : "Nanomaterials: Application and Properties", International Conference (3; 16–21 Sept., 2013; Alushta, Ukraine)
Место публикации : Proc. Int. Conf. Nanomaterials: Application and Properties. - 2013. - Vol. 2, № 1. - Ст.01NFPMM06
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Atuchin V. V., Chimitova O. D., Gavrilova T. A., Molokeev M. S., Bazarov B. G., Bazarova Zh. G.
Заглавие : Synthesis, Morphology and Thermal Properties of α-Eu2(MoO4)3 Faceted Microcrystals
Коллективы : International Symposium on Nanoscience and Nanoengineering: Nanomaterials for Renewable Energy and Clean Environment (27-30 June 2014; Urumqi, China)
Место публикации : International Symposium on Nanoscience and Nanoengineering: Nanomaterials for Renewable Energy and Clean Enviroment. - 2014
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tarasov I. A., Yakovlev I. A., Molokeev M. S., Rautskii M. V., Nemtsev I. V., Varnakov S. N., Ovchinnikov S. G.
Заглавие : Growth of α-FeSi2 nanocrystals on si(100) with Au catalyst
Место публикации : Mater. Lett.: Elsevier, 2016. - Vol. 168. - P.90-94. - ISSN 0167577X (ISSN), DOI 10.1016/j.matlet.2016.01.033
Примечания : Cited References: 25. - The work was supported by the Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 2886.2014.2), The Russian Foundation for Basic Research (RFBR) (Grants no. 13-02-01265), State Contract no. 02.G25.31.0043 and State Task no. 16.663.2014К).
Предметные рубрики: EPITAXIAL-GROWTH
LOW-TEMPERATURE
FeSi2
NANOWIRES
Si(111)
FILMS
Si
Ключевые слова (''Своб.индексиров.''): nanomaterials--molecular beam epitaxy--α-fesi2--electrode
Аннотация: Self-organized α-FeSi2 nanocrystals on (100) silicon substrate were synthesized by molecular beam epitaxy with Au catalyst. The microstructure and basic orientation relationship between the silicide nanocrystals and silicon substrate were analyzed in detail. α-FeSi2 nanocrystals appeared to be inclined trapezoid and rectangular nanoplates, polyhedral nanobars and pyramid-like ones, aligned along 011 directions on (100) silicon substrate with the length up to 1.5 μm, width ranging between 80 and 500 nm and thickness from 30 to 170 nm. As has been proposed metallic iron silicide may be used for manufacturing electric contacts on silicon. A current-voltage characteristic of the structure was measured at room temperature and showed good linearity.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E. I., Nikitovic D., Shabanov A. V., Tzanakakis G. N., Tsatsakis A. M., Menzianova N. G.
Заглавие : Short-term culture of monocytes as an in vitro evaluation system for bionanomaterials designated for medical use
Место публикации : Food Chem. Toxicol.: Elsevier, 2016. - Vol. 96. - P.302-308. - ISSN 02786915 (ISSN), DOI 10.1016/j.fct.2016.08.025
Примечания : Cited References: 46
Предметные рубрики: MAGNETIC NANOPARTICLES
CELLULAR REDUCTION
PROTEIN CORONA
CELLS
MECHANOTRANSDUCTION
NANOMATERIALS
LOCALIZATION
BIOMATERIALS
CYTOSKELETON
ACTIVATION
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Teremova M. I., Petrakovskaya E. A., Romanchenko A. S., Tuzikov F. V., Gurevich Y. L., Tsibina O. V., Yakubailik E. K., Abhilash
Заглавие : Ferritization of industrial waste water and microbial synthesis of iron-based magnetic nanomaterials from sediments
Коллективы : RFFI [10-08-01278]; DST-RFBR Indo-Russian Long term Collaborative Project [DST-ILTP-A.2.61]
Место публикации : Environ. Prog. Sustain. Energy: Wiley-Blackwell, 2016. - Vol. 35, Is. 5. - P.1407-1414. - ISSN 1944-7442, DOI 10.1002/ep.12368. - ISSN 1944-7450(eISSN)
Примечания : Cited References:26. - The work has been carried out with support of grant of RFFI No 10-08-01278 and DST-ILTP-A.2.61 under DST-RFBR Indo-Russian Long term Collaborative Project. Authors are grateful to P.P. Pustoshilov, N.M. Kuchin, O.A. Bayukov, A.P. Puzyr and Lobova T.I. for assistance in experiment performance and valuable remarks.
Предметные рубрики: ACIDITHIOBACILLUS FERROOXIDANS CELLS
POT MULTICOMPONENT SYNTHESIS
Ключевые слова (''Своб.индексиров.''): industrial wastes--ferritization--bacteria--magnetic--ferrihydrite--nanoparticles
Аннотация: The precipitation of iron and associated heavy metals in industrial waste water and in model solution using ferritization and aerobic bacterial culture was investigated. Magnetic sediments extractable by magnetic separation (specific saturation magnetization of 16–36.8 G cm3/g) were produced by precipitation of iron by ferritization method at рН (8–10) and 60–80°С for 15–30 min. Nanoparticles of ferrihydrite or ferric hydroxide doped with associated metals (Co, Ni) were produced under precipitation of ferric iron in model solution with bacteria at the temperature 26–34°С. The radii of synthesized particles are 1–5 nm and nanoparticles of ferrihydrite are superparamagnetic in both un-doped and doped (Co, Ni, Zn) sets. Dispersed structure of biogenic nanoparticle sols, their magnetic and other properties were studied by atomic force microscopy, X-ray small-angle scattering, X-ray diffraction, electron magnetic resonance, Mössbauer and X-ray photoelectron spectroscopy.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bocharov G. S., Eletskii A. V., Zakharenkov A. V., Zilova O. S., Sliva A. P., Terentyev E. V., Fedorovich S. D., Churilov G. N.
Заглавие : Optimization of steel-surface hardening by carbon nanostructures followed by treatment with hIgh-intensity energy sources
Место публикации : J. Surf. Invest. - 2018. - Vol. 12, Is. 1. - P.27-32. - ISSN 10274510 (ISSN), DOI 10.1134/S102745101801007X
Примечания : Cited References: 14. - This study was supported by the Russian Science Foundation, project no. 16-19-10027.
Ключевые слова (''Своб.индексиров.''): metal surface hardening--carbon nanomaterials--laser irradiation--electron-beam treatment--microhardness
Аннотация: The effect whereby a steel surface is modified by its covering with a nanocarbon material followed by fast electron- or laser-beam irradiation is studied. The initial material is low-carbon steel. Soot produced via the thermal sputtering of graphite electrodes in an electric arc with the subsequent extraction of fullerenes is used as the nanocarbon coating. Due to the fact that nanocarbon-coated samples are irradiated with a 60-keV electron beam, the material microhardness enhances considerably. The dependence between the microhardness and the irradiation energy is nonmonotonic and reaches its maximum (about 600 ± 20 HV) under the condition that the electron-irradiation energy is 460 J/cm2 and the intensity is 1.53 kW/cm2. This corresponds to a fourfold increase in the microhardness. Electron-beam irradiation of the treated surface is accompanied by a 1.5–2-fold decrease in the friction coefficient. Experimental results are compared with data obtained under laser irradiation of the nanocarbon-coated steel surface.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Isakova V. G., Osipova I. V., Dudnik A. I., Cherepakhin A. V., Zharikova N. V., Nemtsev I. V., Volochaev M. N.
Заглавие : Decoration of carbon nanomaterial powders with dispersed platinum metal particles
Коллективы : Center for Shared Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences
Место публикации : Russ. J. Appl. Chem. - 2018. - Vol. 91, Is. 7. - P.1209-1216. - ISSN 1070-4272, DOI 10.1134/S1070427218070212. - ISSN 1608-3296(eISSN)
Примечания : Cited References: 22. - The study was performed with the support and equipment of the Center for Shared Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences.
Предметные рубрики: NANOPARTICLES
PALLADIUM
FULLERENE
ELECTRODE
NANOTUBES
OXIDATION
Ключевые слова (''Своб.индексиров.''): carbon nanomaterials--platinum metal nanoparticles--in situ one-step method
Аннотация: Carbon nanomaterials (fullerite, detonation nanodiamonds, Taunit, fullerenol, fullerene-containing black) were decorated with platinum group metal nanoparticles in situ in one step by low-temperature combustion (~250–270°С) of a powdered mixture of platinum metal acetylacetonate [Pt-M(асас)n, Pt-М = Pt(II), Pd(II), Rh(III), Ir(III), acac = CH3COCHCOCH3, n is the oxidation state of Pt-М] with carbon nanomaterials in air. As shown by thermal analysis, the process is based on thermal oxidative degradation of the organometallic complex, catalyzed by carbon nanomaterials, with oxidation (combustion) of the organic moiety and release of the metal into the condensed phase. The thermal process in an open system occurs in the glowing mode (210–250°С); the size of the nanoparticles formed is 7–30 nm. Under the conditions restricting the air access to the reaction mixture and free outflow of gaseous products formed by oxidation of acac ligands, the nanoparticle size decreases to 3–10 nm. The particle size depends on the metal amount in the initial powder mixture and on the support morphology.
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