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Iron oxide nanoparticles for isolating DNA from blood cells / A. V. Tyumentseva, A. S. Gorbenko, R. N. Yaroslavtsev [et al.] // Bull. Russ. Acad. Sci. Phys. - 2021. - Vol. 85, Is. 9. - P. 965-969, DOI 10.3103/S1062873821090185. - Cited References: 13. - This work was supported by the Russian Foundation for Basic Research; the Government of Krasnoyarsk Territory; the Krasnoyarsk Regional Fund for the Support of Scientific and Scientific and Technical Activities, project no. 20-42-242902; and the RF Presidential Council of Grants for the State Support of Young Russian Scientists (Candidates of Science), project no. MK-1263.2020.3 . - ISSN 1062-8738
Кл.слова (ненормированные):
Blood -- Cells -- Cytology -- Iron oxides -- Metal nanoparticles -- Nanomagnetics -- Silicates -- Synthesis (chemical) -- Blood cells -- Cell-be -- Cell/B.E -- Cell/BE -- Leucocytes -- Magnetic iron-oxide nanoparticles -- Physical and chemical properties -- Silicate coatings -- Synthesised -- DNA
Аннотация: Magnetic iron oxide nanoparticles for separating DNA from blood cells are synthesized. Magnetic nanoparticles with a silicate coating are obtained, and their physical and chemical properties are studied. The possibility of using the nanocomposites to isolate DNA from leukocytes for hematological studies is confirmed experimentally.

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Публикация на русском языке Наночастицы оксидов железа для выделения ДНК из клеток крови [Текст] / А. В. Тюменцева, А. С. Горбенко, Р. Н. Ярославцев [и др.] // Изв. РАН. Сер. физич. - 2021. - Т. 85 № 9. - С. 1257-1262

Держатели документа:
Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Hematological Scientific Center, RF Ministry of Health and Social Development, Krasnoyarsk Branch, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Tyumentseva, A. V.; Gorbenko, A. S.; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Stolyar, S. V.; Столяр, Сергей Викторович; Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Bayukov, O. A.; Баюков, Олег Артемьевич; Knyazev, Yu. V.; Князев, Юрий Владимирович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Olkhovskiy, I. A.; Iskhakov, R. S.; Исхаков, Рауф Садыкович
}
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Synthesis of transition metal coatings using arabinogalactan / S. V. Stolyar, L. A. Chekanova, E. V. Cheremiskina [et al.] // Bull. Russ. Acad. Sci. Phys. - 2022. - Vol. 86, Is. 5. - P. 597-600, DOI 10.3103/S1062873822050264. - Cited References: 19. - The study was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Regional Science Foundation (project no. 20-43-240003) . - ISSN 1062-8738
Кл.слова (ненормированные):
Alkalinity -- Carbon -- Coatings -- Crystal structure -- Alkaline media -- Arabinogalactan -- Carbon containing -- Chemical compositions -- Chemical deposition -- Crystals structures -- Graphite inclusions -- Ni coating -- Synthesised -- X- ray diffractions -- Transition metals
Аннотация: Carbon-containing transition metal (Fe, Co, Ni) coatings are synthesized via chemical deposition with arabinogalactan. The crystal structure and chemical composition of the coatings are determined. Data from magnetometry and X-ray diffraction show that carbon is not included in the crystal lattice of a metal. Instead, it exists in the form of graphite inclusions. Degradation of arabinogalactan in an alkaline medium on the surface of a galvanic pair is investigated.

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Публикация на русском языке Получение покрытий переходных металлов в присутствии арабиногалактана [Текст] / С. В. Столяр, Л. А. Чеканова, Е. В. Черемискина [и др.] // Изв. РАН. Сер. физич. - 2022. - Т. 86. № 5. - С. 711-715

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Chemistry and Chemical Technology, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Ural Federal University, Yekaterinburg, 620075, Russian Federation

Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Cheremiskina, E. V.; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Taran, O. P.; Borovkova, V. S.; Malyar, Y. N.; Neznakhin, D. S.; Komogortsev, S. V.; Комогорцев, Сергей Викторович
}
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Effect of surfactants on the structure, phase composition, and magnetic properties of FexSy nanoparticles synthesized by thermal decomposition / R. D. Ivantsov, C.-R. Lin, Y.-Z. Chen [et al.] // Nanobiotechnol. Rep. - 2022. - Vol. 17, Is. 3. - P. 336-344, DOI 10.1134/S2635167622030089. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research with Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science, the research project no. 19-42-240005: “Features of the Electronic Structure, Magnetic Properties, and Optical Excitations in Nanocrystals of Multifunctional Magnetic Chalcogenides Fe3S4 and FeSe” and the Russian Foundation for Basic Research and the Ministry of Science and Technology of Taiwan, joint projects nos. 19-52-52002 and 109-2112-M-153-003 and 108-2923-M-153-001-MY3. - The electron-microscopy study was carried out at the Laboratory of Electron Microscopy of the Center for Collective Use of the Siberian Federal University within the state assignment of the Ministry of Science and Higher Education of the Russian Federation (research code FSRZ-2020-0011). The magnetic measurements were carried out on a vibrating sample magnetometer at the Krasnoyarsk Regional Center for Collective Use, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences . - ISSN 2635-1676
Кл.слова (ненормированные):
Agglomeration -- Crystal impurities -- Fourier transform infrared spectroscopy -- High resolution transmission electron microscopy -- Magnetic properties -- Magnetite -- Magnetization -- Nanomagnetics -- Sulfur compounds -- Synthesis (chemical) -- Thermogravimetric analysis -- Thermolysis -- Electron diffraction analysis -- Greigites -- Hexadecylamine -- Inverse spinel structures -- Iron sulfide -- Isostructural -- Octadecyl amine -- Organic shells -- Structures phase -- Synthesised -- Surface active agents
Аннотация: The effect of surfactants on the structure, morphology, and magnetic properties of FexSy iron-sulfide nanoparticles synthesized by thermal decomposition is studied. Oleylamine, hexadecylamine, and octadecylamine are used as surfactants. It is established by X-ray and electron-diffraction analysis combined with Mossbauer spectroscopy that, in samples 1 and 2 prepared using oleylamine and hexadecylamine, respectively, the Fe3S4 greigite phase dominates, with an inverse spinel structure isostructural to the iron oxide Fe3O4 magnetite with minor Fe9S11 impurities. Deviations in the distribution of iron cations over the tetrahedral and octahedral sites relative to the bulk greigite crystals are observed. The nanoparticles synthesized using octadecylamine (sample 3) are found to be multiphase with a greigite fraction of ~20%. In all three cases, as showed the results of transmission electron microscopy and Fourier transform infrared spectroscopy together with thermogravimetry analysis, the magnetic nanoparticles have an organic shell chemically bonded to their magnetic core, which prevents the agglomeration of the particles. This shell is much more massive in samples 2 and 3. The magnetization values for samples 1 and 2 are similar to those of greigite nanoparticles reported in publications, while the magnetization of sample 3 is several times lower, in accordance with the greigite fraction in it. The combination of fairly high magnetization with a massive organic shell allows one to consider hexadecylamine to be a promising surfactant for the synthesis of iron-sulfide nanoparticles protected from external impact and agglomeration.

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Публикация на русском языке Влияние ПАВ на структуру, фазовый состав и магнитные свойства наночастиц FexSy, полученных методом термического разложения [Текст] / Р. Д. Иванцов, Ч. Р. Лин, Ю. Ж. Чэнь [и др.] // Рос. нанотехнол. - 2022. - Т. 17 № 3. - С. 358-367

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Applied Physics, National Pingtung University, Pingtung City, 90003, Taiwan
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Lin, C. -R.; Chen, Y. -Z.; Ivanova, O. S.; Иванова, Оксана Станиславовна; Altunin, R. R.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Shestakov, N. P.; Шестаков, Николай Петрович; Sukhachev, A. L.; Сухачев, Александр Леонидович; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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Inclined magnetic structures and magnetic phase diagrams for the Pb2Fe2−xMnxGe2O9 (x = 0.16) single crystal / A. I. Pankrats, A. D. Balaev, S. A. Skorobogatov [et al.] // J. Magn. Magn. Mater. - 2022. - Vol. 563. - Ст. 170021, DOI 10.1016/j.jmmm.2022.170021. - Cited References: 24. - This study was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project no. 20-42-2 40006 “Synthesis and Study of Pb 2+ and Bi 3+ -Containing Oxide Single Crystals with Partial Substitution in One of the Subsystems: Magnetic Structures and Magnetodielectric Effect”. The SEM and EDS studies were carried out at the Joint Scientific Center of the Siberian Federal University within the state assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 0304-8853
Кл.слова (ненормированные):
Antiferromagnetics -- Antiferromagnets -- Applied magnetic fields -- Field change -- Magnetic phase diagrams -- Specific heat measurement -- Spins reorientation transition -- Structures phase -- Synthesised
Аннотация: Single crystals of the Pb2Fe2?xMnxGe2O9 (x = 0.16) antiferromagnet have been grown. Using the specific heat measurements, a Neel temperature of TN = (42.0 ± 0.5) K for the synthesized crystals has been found. It has been shown using the magnetic measurements that, due to the competition between the magnetoanisotropic contributions of the iron and manganese subsystems in the crystals, near a temperature of Tc = 22 K, a spontaneous spin-reorientation transition occurs, the temperature of which in an applied magnetic field changes with the field value and orientation relative to the rhombic axes of the crystal. Based on the analysis of the temperature and field dependences of the magnetization obtained at different orientations of the magnetic field, it has been established that, below Tc, an inclined magnetic structure is formed in the crystal. The antiferromagnetic vector of the inclined structure rotates smoothly in the rhombic bc plane with increasing temperature from a direction close to the b axis at T = 4.2 K and tends to the rhombic c axis at T = Tc. The rotation of the antiferromagnetic vector occurs also at fixed temperatures T < Tc with increasing magnetic field. In the temperature range of Tc < T < TN, the antiferromagnetic vector is oriented along the rhombic c axis. Magnetic phase diagrams of states have been built for different magnetic field orientations relative to the rhombic axes of the crystal. The richest phase diagram is shown to correspond to the orientation H||c and contains, along with the above-listed states, one more inclined phase, in which the antiferromagnetic vector rotates toward the rhombic a axis direction with a change in temperature or magnetic field.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Petersburg Nuclear Physics Institute, National Research Center “Kurchatov Institute”, Gatchina, 188300, Russian Federation

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Balaev, A. D.; Балаев, Александр Дмитриевич; Skorobogatov, S. A.; Скоробогатов, Станислав Алексеевич; Krasikov, A. A.; Красиков, Александр Александрович; Kolkov, M. I.; Колков, Максим Игоревич; Zharkov, S. M.; Жарков, Сергей Михайлович; Zeer, G. M.; Pavlovskii, M. S.; Павловский, Максим Сергеевич; Balaev, D. A.; Балаев, Дмитрий Александрович
}
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