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    Выделение фуллеренов на экстракторе с механоактивацией / В. И. Елесина, Г. Н. Чурилов, Н. Г. Внукова, Г. А. Глущенко // Решетневские чтения : материалы XXV междунар. науч.-практ. конф. : в 2-х ч. - 2021. - Ч. 1. Секция "Наноматериалы, нанотехнологии и информационные системы в аэрокосмической отрасли". - С. 577-578. - Библиогр.: 7. - Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 18-29-19080
   Перевод заглавия: Fullerenes isolation in the extractor with mechanoactivation
Аннотация: Нами разработаны методики и устройства для получения эндоэдральных металлофуллеренов (ЭМФ) в значительных количествах. ЭМФ являются прекурсорами сверхтвердых материалов и могут использоваться во многих отраслях современной науки и техники, в том числе ракетно-космической.

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Елесина, Виктория Игоревна; Elesina, V. I.; Чурилов, Григорий Николаевич; Churilov, G. N.; Внукова, Наталья Григорьевна; Vnukova, N. G.; Глущенко, Гарий Анатольевич; Glushchenko, G. A.; "Решетневские чтения", международная научно-практическая конференция(25 ; 2021 ; нояб. ; 10-12 ; Красноярск); Сибирский государственный университет науки и технологий им. акад. М. Ф. Решетнева; Информационные спутниковые системы им. М.Ф. Решетнева, ОАО; "Красноярский машиностроительный завод", ОАО; Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук"
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    Mechanical activation of fullerene containing soot during extraction of higher and endohedral metallofullerenes / V. I. Elesina, G. N. Churilov, N. G. Vnukova [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2022. - Vol. 30, Is. 5. - P. 553-558, DOI 10.1080/1536383X.2021.1966421. - Cited References: 33 . - ISSN 1536-383X
   Перевод заглавия: Механоактивация фуллеренсодержащей сажи при экстракции высших и эндоэдральных металлофуллеренов
Кл.слова (ненормированные):
Fullerenes -- endohedral metallofullerenes -- extraction -- enrichment -- titanium chloride
Аннотация: For extraction of higher fullerenes and endohedral metallofullerenes (EMF) with yttrium from fullerene-containing carbon soot (soot) obtained by combined spraying of graphite and yttrium oxide powders in an arc plasma, we developed a device (Extractor*) that provides mechanical activation effects on agents combined with filtration. It has been shown that the soot recovery percentage of a mixture of higher fullerenes and EMF with different solvents (carbon disulfide, o-xylene, pyridine) and the EMF mass fraction in the mixture is significantly higher than in the extraction with a Soxhlet apparatus traditionally used for these purposes. The time spent on the extraction process is reduced significantly. Due to a known reaction with titanium chloride (TiCl4) and removal of a solution of empty fullerenes, subsequent bonding of EMF with yttrium into an insoluble complex directly in the extractor allows the product to be significantly enriched with EMF. In general, we were able to significantly reduce both the duration of extraction of the fullerenes mixture and EMF and the production of EMF separately.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics FRC KSC SB RAS, FSBSI "Federal Research Center "Krasnoyarsk Science Center SB RAS",, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Elesina, V. I.; Елесина, Виктория Игоревна; Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Nikolaev, N. S.; Николаев, Никита Сергеевич; Glushenko, G. A.; Глущенко, Гарий Анатольевич; Isakova, V. G.; Исакова, Виктория Гавриловна
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    Synthesis, mass spectroscopy detection, and density functional theory investigations of the Gd endohedral complexes of C82 fullerenols / A. A. Shakirova, F. N. Tomilin, V. A. Pomogaev [et al.] // Computation. - 2021. - Vol. 9, Is. 5. - Ст. 58, DOI 10.3390/computation9050058. - Cited References: 41. - The experimental results were funded by RFBR project No. 18-29-19003 MK. The quantum chemical study was funded by project 0721-2020-0033 of the Russian Ministry of Science and Education. The collaboration and coordination of Russian and Korean teams was supported by Collaborative NRF-RFBR grant (Korean ID: NRF-2019K2A9A1A06100125; Russian ID: Project No. 19-53-51005 NIFa RFFI-Korea) and NRF 2021R1A2C1010455 grant . - ISSN 2079-3197
   Перевод заглавия: Синтез, масс-спектроскопическое определение и исследование теорией функционала плотности Gd-эндоэдральных комплексов фуллеренолов C82

РУБ Mathematics, Interdisciplinary Applications
Рубрики:
ZETA VALENCE QUALITY
   BIOLOGICAL-ACTIVITY
   BASIS-SETS
   TOXICITY
Кл.слова (ненормированные):
endohedral fullerenes -- density functional theory -- antioxidant activity -- reactive oxygen species -- magnetic resonance imaging
Аннотация: Gd endohedral complexes of C82 fullerenols were synthesized and mass spectrometry analysis of their composition was carried out. It was established that the synthesis yields a series of fullerenols Gd@C82Ox(OH)y (x = 0, 3; y = 8, 16, 24, 36, 44). The atomic and electronic structure and properties of the synthesized fullerenols were investigated using the density functional theory calculations. It was shown that the presence of endohedral gadolinium increases the reactivity of fullerenols. It is proposed that the high-spin endohedral fullerenols are promising candidates for application in magnetic resonance imaging.

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Держатели документа:
Siberian Fed Univ, Dept Biophys, Sch Engn Phys & Radio Elect, Sch Petr & Gas Engn, Pr Svobodny 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Akad Gorodok 50, Krasnoyarsk 660036, Russia.
Natl Res Tomsk State Univ, Dept Phys, Lenina Ave 36, Toms 634050, Russia.
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Green Nano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk Sci Ctr, Akad Gorodok 50-50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Shakirova, A. A.; Tomilin, F. N.; Томилин, Феликс Николаевич; Pomogaev, V. A.; Vnukova, N. G.; Внукова, Наталья Григорьевна; Churilov, G. N.; Чурилов, Григорий Николаевич; Kudryasheva, N. S.; Tchaikovskaya, O. N.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Avramov, P. V.; RFBRRussian Foundation for Basic Research (RFBR) [18-29-19003 MK]; Russian Ministry of Science and EducationMinistry of Education and Science, Russian Federation [0721-2020-0033]; Collaborative NRF-RFBR grant (Korean) [NRF-2019K2A9A1A06100125]; Collaborative NRF-RFBR grant (Russian) [19-53-51005 NIFa RFFI-Korea]; NRF [2021R1A2C1010455]
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Elesina, V. I.
The method for efficient extraction of fullerenes and enrichment of EMF in an extractor / V. I. Elesina, G. N. Churilov, N. G. Vnukova // International conference "Functional materials" : book of abstracts / ed. V. N. Berzhansky ; org. com. S. G. Ovchinnikov [et al.]. - Simferopol, 2021. - P. 228-229. - Библиогр.: 5. - Study was funded by RFBR according to the research project № 18-29-19003

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Доп.точки доступа:
Berzhansky, V. N. \ed.\; Бержанский, Владимир Наумович; Ovchinnikov, S. G. \org. com.\; Овчинников, Сергей Геннадьевич; Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Елесина, Виктория Игоревна; "Functional materials", International conference(2021 ; Oct. 4-8 ; Alushta, Russia); Крымский федеральный университет имени В.И. Вернадского
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Magnetic Properties of Carbon Nanotubes with Low Content of Fe [Text] / Zagainova V.S.Makarova T.L. [et al.] // Fullerenes, Nanotubes, and Carbon Nanostructures. - 2010. - Vol. 18. - P569–573

Доп.точки доступа:
Zagainova, V. S.; Makarova, T. L.; Okotrub, A. V.; Kurenya, A. G.; Komogortsev, S. V.; Комогорцев Сергей Викторович; Bulusheva, L. G.
}
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Influence of Acoustic and Magnetic Fields on the Formation of Fullerenes and Nano tubes in Carbon-Helium High-Frequency Plasma under Atmospheric [Text] / Churilov G.N.Osipova I.V. [et al.] // Pressure Fullerenes, Nano tubes and Carbon Nanostructures. - 2010. - Vol. 18, Is. 04-06. - P584–589

Доп.точки доступа:
Churilov, G.N.; Osipova, I.V.; Novikov, P.V.; Lopatin, V.A.; Krylov, A.S.; Tomashevic, Ye; Petrakovskaya, E.A.
}
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    Magnesium Boride Nanotubes: Relative Stability and Atomic and Electronic Structure / P. B. Sorokin [et al.] // J. Phys. Chem. C. - 2010. - Vol. 114, Is. 11. - P. 4852-4856, DOI 10.1021/jp9112014. - Cited Reference Count: 38. - Гранты: P.B.S. and B.I.Y. acknowledge support by the Basic Energy Sciences division of the Department of Energy, award DE-SC0001479. L.A.C. was supported by the Russian Academy of Sciences, program No. 21. P.V.A ad P.B.S. also acknowledge the collaborative RFBR-JSPS grant No. 09-02-92107-R Phi. We are grateful to the Joint Supercomputer Center of the Russian Academy of Sciences for the possibility of using a cluster computer for quantum chemical calculations. The geometry of all presented structures was visualized by commercial ChemCraft software (http://www.chemcraftprog.com). - Финансирующая организация: Basic Energy Sciences division of the Department of Energy [DE-SC0001479]; Russian Academy of Sciences [21]; RFBR-JSPS [09-02-92107-RPhi] . - MAR 25. - ISSN 1932-7447
Рубрики:
BORON
   PSEUDOPOTENTIALS
   FULLERENES
   SIMULATION
   FORM
Кл.слова (ненормированные):
Basic composition -- Bending behavior -- Comparative studies -- Diborides -- Energy analysis -- Energy minima -- Magnesium atom -- Magnesium boride -- MgB2 -- Relative stabilities -- Semiconducting behavior -- Small-diameter -- Staggered configuration -- Sub-lattices -- Bending (forming) -- Borides -- Boron -- Electronic properties -- Electronic structure -- Energy management -- Magnesium -- Nanotubes -- Density functional theory
Аннотация: A comparative study of file energies and the electronic structure of MgBx nanotubes is performed within the framework of the density functional theory. Different basic compositions (x = 2 for diboride and x = 3 for triboride) and different diameters (3 angstrom < D < 18 angstrom), as well the exterior, interior, and staggered placement of magnesium atoms, are considered. Energy analysis reveals a nontrivial bending behavior of the MgB2 sheets. such that the tubes with exterior and staggered configurations display the energy minima at certain small diameters (of the boron cage sublattice). The semiconducting behavior of narrow MgB2 nanotubes with exterior Mg position was observed.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77251 USA
Rice Univ, Dept Chem, Houston, TX 77251 USA
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Sorokin, P. B.; Avramov, P.V.; Yakobson, B.I.; Chernozatonskii, L.A.
}
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    Filtration process combined with mechanical action, as a method for efficient extraction of endohedral metallofullerenes from carbon soot / V. I. Elesina [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2019. - Vol. 27, Is. 10. - P. 803-807, DOI 10.1080/1536383X.2019.1648439. - Cited References: 22 . - ISSN 1536-383X
   Перевод заглавия: Процесс фильтрации, совмещенный с механическим воздействием, как метод эффективного выделения эндоэдральных металлофуллеренов из углеродной сажи
Кл.слова (ненормированные):
Fullerenes -- solvent extraction -- mechanical extraction -- Soxhlet -- turbulent flow
Аннотация: The paper presents results of fullerenes and endohedral metallofullerenes extracts studies, isolated from the graphite rods carbon soot spray, and containing Y2O3 in a high frequency arc discharge. Two ways of extraction were applied and compared–(1) the classic method of Soxhlet extraction, and (2) the one developed by our team–extraction based on mechanical action combined with filtration. To implement the method, we used a laboratory version of installation, embodying technical solutions for rapid extraction. Chromatographic and mass spectrometry studies of fullerene extracts obtained by these methods revealed that by combining mechanical action with simultaneous filtration, we can significantly intensify and reduce the process of extracting fullerenes and endohedral metallofullerenes compared to the Soxhlet extraction method. This is especially evident in the release of endohedral metallofullerenes. Our method allows to reduce the release time of fullerenes from 10 g of carbon soot on laboratory installation up to 15 minutes, against the Soxhlet extraction method taking 18 hours. Whilst, the total number of fullerenes extracted by both methods almost coincides (the extraction method using mechanical action allowed us to extract 0.2-0.4 wt. % more), the composition of the isolated fullerene mixtures is different. The relative content of higher fullerenes and endohedral metallofullerenes exceeds when the mechanical action-based extraction method applied. © 2019, © 2019 Taylor & Francis Group, LLC.

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Держатели документа:
FSBSI “Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Siberian Federal University, Institute of Engineering Physics and Radio Electronics, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Elesina, V. I.; Елесина, Виктория Игоревна; Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Dudnik, A. I.; Дудник, Александр Иванович; Osipova, I. V.; Осипова, Ирина Владимировна
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    Ultrafast method of fullerenes extraction from carbon condensate / G. N. Churilov [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2019. - Vol. 27, Is. 3. - P. 225-232, DOI 10.1080/1536383X.2018.1543277. - Cited References: 46. - The authors are grateful to Alexey Popov (Leibniz Institute for Solid State and Materials Research, Dresden, German) for his contribution in conducting mass spectrometer studies. . - ISSN 1536-383X
   Перевод заглавия: Сверхбыстрый метод выделения фуллеренов из углеродного конденсата
Кл.слова (ненормированные):
solution extraction -- mechanical extraction -- fullerenes -- Soxhlet
Аннотация: The Soxhlet extraction method (SE) only used in the extraction of fullerenes from carbon condensate (CC) obtained in the fullerene production facility, which in the literature is often referred to as carbon black, does not provide complete extraction. Fullerenes can also be extracted from the CC suspension and the solvent by the mechanical extraction method (ME) and show higher degree of extraction efficiency. This method combined with filtration process takes only a few minutes and allows a significant reduction in solvent consumption. Extraction via the ME method application makes it possible to carry out extraction of fullerenes twenty times faster than by the SE method. It can be used as an independent method, bypassing the extraction by the SE method, and also as an additional one. Application of the ME method allows additional extraction of fullerenes weight percentage from the CC, after extracting fullerenes from it applying the SE method. In this instance the higher fullerenes prevail in the essences extracted by the ME method with their content reaching as high as 39.50 wt%. The obtained samples of fullerene mixtures (FM) are characterized by the methods of high-performance liquid chromatography and mass spectrometry. Analysis of the results shows that the composition of the FM, isolated by the ME method, differs from the compositions extracted via the ME method.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center "Krasnoyarsk Science Center SB RAS", Krasnoyarsk, Russia
Siberian Federal University, Av. Svobodny 79, 660041 Krasnoyarsk, Russia

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Elesina, V. I.; Елесина, Виктория Игоревна; Dudnik, A. I.; Дудник, Александр Иванович; Vnukova, N. G.; Внукова, Наталья Григорьевна
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10.

Obtaining of hydroxylated fullerenes Y@C82OX(OH)Y, Y2@C82OX(OH)Y, Y2C2@C82OX(OH)Y and electrophysical characteristic of composite film based thereon / G. N. Churilov [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2018. - Vol. 26, Is. 12. - P. 799-803, DOI 10.1080/1536383X.2018.1501559. - Cited References: 33. - We thank A.A. Popov and his team (The Leibniz Institute for Solid State and Materials Research, Dresden, Germany) for research conducted via mass-spectrometer MALDI-TOF Bruker BIFLEX TM III. . - ISSN 1536-383X
Кл.слова (ненормированные):
Endohedral metallofullerene -- impedance spectroscopy -- polarization
Аннотация: The article presents, for the first time, the results of the research on composite film obtained from hydroxylated endohedral metallofullerenes (EMF) Y@C82, Y2@C82, with Y2C2@C82 and highest fullerenes as dopant. The composite film has been established to have electric conductivity and to be a ferroelectric with the value of residual polarization of ∼0.75 μC/cm2. The impedance spectroscopy of this sample allowed us to determine dispersion of dielectric permittivity and conductivity in the range of frequencies of 0.5 Hz–100 MHz. It is stated that the value of the high-frequency dielectric permittivity of films is ε′∞ = 2.8. However, with reduction in the electric field frequency, real and imaginary parts of ε increase to values ∼104–105. Such increase in dielectric permittivity is connected with increase in polarizing caused by accumulation of mobile electric charges (electrons of ions, protons) on boundaries of the structural defects of a film, which are divided by thin dielectric interlayers. The film is solid electrolyte with the ionic conductivity of ∼5 × 10−7 S/cm.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology Federal Research Center KSC, SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Dudnik, A. I.; Дудник, Александр Иванович; Drokin, N. A.; Дрокин, Николай Александрович; Vnukova, N. G.; Внукова, Наталья Григорьевна; Tomashevich, E. V.; Bondarev, V. S.; Бондарев, Виталий Сергеевич
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