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Культивирование мультипотентных мезенхимных стромальных клеток костного мозга на носителях из резорбируемого биопластотана / Е. И. Шишацкая, Е. Д. Николаева, А. А. Шумилова [и др.] // Клеточная трансплантология и тканевая инженерия. - 2013. - Т. 8, Вып. 1. - P. 57-65 ; Cell. Transplant. Tissue Eng. - 2013. - Vol. 8, Is. 1. - P. 57-65 . - ISSN 1815-445X
Кл.слова (ненормированные):
Alkaline phosphatase -- Differentiation -- Extracellular calcium precipitates -- Multipotent mesenchymal stromal cells -- Osteopontin -- Resorbable bioplastotan
Аннотация: В работе охарактеризовано «семейство» клеточных носителей из резорбируемого полиэфира Биопластотан, представляющего собой сополимер 3- и 4-гидроксипро-изводных масляной кислоты. С применением различных технологий сконструированы пленочные и 3D носители, а также наноматриксы, образованные ультратонкими волокнами, полученные методом электростатического формования. Все типы носителей обеспечивают адгезию муль-типотентных мезенхимных стромальных клеток костного мозга и пригодны для культивирования и дифференцировки мультипотентных мезенхимных стромальных клеток в клетки остеобластического ряда. Последнее подтверждено детектированием в культуре клеток внеклеточных преципитатов кальция, активности щелочной фосфатазы и продукции остеопонтина.

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Держатели документа:
Siberian Branch, Institute of Biophisycs, RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Siberian Branch, L.V. Kirensky Institute of Physics, RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Шишацкая, Екатерина Игоревна; Shishatskaya, E. I.; Николаева, Е. Д.; Шумилова, А. А.; Шабанов, Александр Васильевич; Shabanov, A. V.; Волова, Татьяна Григорьевна; Volova, T. G.

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Magnetic structure of iron borate DyFe3(BO3)4: A neutron diffraction study / C. Ritter [et al.] // J. Phys.: Conf. Ser. - 2012. - Vol. 340. - Ст. 012065, DOI 10.1088/1742-6596/340/1/012065. - Cited References: 22 . - ISSN 1742-6588

РУБ Physics, Condensed Matter + Physics, Particles & Fields

Кл.слова (ненормированные):
Antiferromagnetics -- Crystallographic structure -- Easy-axis anisotropy -- Iron borate -- Kramers doublet -- Low temperatures -- Magnetic propagation -- Neutron diffraction measurements -- Repopulation -- Room temperature -- Spin reorientation -- Sub-lattices -- Thermal dependences -- Unit cells
Аннотация: Neutron diffraction measurements were performed on the iron borate DyFe3(BO3)4 to investigate details of the crystallographic structure, the low temperature magnetic structure and its magnetic properties. DyFe3(BO3)4 adopts at room temperature the P3121 symmetry and becomes antiferromagnetic below TN = 39 K. Both, the rare earth and the iron sublattice, follow the same magnetic propagation vector τ = [0, 0, ½] which leads to a doubling of the crystallographic unit cell in the c-direction. The easy axis anisotropy of the rare earth determines the moment orientation to be mainly along c. No spin reorientation is found between TN and 1.5 K, however, a small anomaly in the thermal dependence of the unit cell a-parameter is found at about 27 K which could be connected to repopulation of low lying Kramers doublets of Dy3+. The magnetic moment value of the Fe-moment is at 1.5 K with μFe = 4.5 μB only slightly smaller than expected for an S = 5/2 ion while the Dy moment is strongly reduced and amounts only to μDy = 6.4 μB.

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Доп.точки доступа:
Ritter, C.; Pankrats, A. I.; Панкрац, Анатолий Иванович; Gudim, I. A.; Гудим, Ирина Анатольевна; Vorotynov, A. M.; Воротынов, Александр Михайлович; European Conference on Neutron Scattering(5 ; 2011 ; Jul. 17- 21 ; Prague, Czech Republic)
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Electrospinning of polyhydroxyalkanoate fibrous scaffolds: effects on electrospinning parameters on structure and properties / T. . Volova [et al.] // J. Biomater. Sci.-Polym. Ed. - 2014. - Vol. 25, Is. 4. - P. 370-393, DOI 10.1080/09205063.2013.862400. - Cited References: 52. - This study was financially supported by Project 'Biotechnologies of novel biomaterials: innovative biopolymers and devices for biomedicine' (Agreement No. 1 of 15.02.2013 to Agreement No. 11.G34.31.0013) in accordance with Resolution No. 220 of the Government of the Russian Federation of April 9, 2010, 'On measures designed to attract leading scientists to the Russian institutions of higher learning' and Grant of the RF President for supporting young Doctors of Sciences No. MD-3112.2012.4. . - ISSN 0920-5063. - ISSN 1568-5624

РУБ Engineering, Biomedical + Materials Science, Biomaterials + Polymer Science
Рубрики:
TISSUE ENGINEERING APPLICATIONS
   FIBER MATS
   POLY 3-HYDROXYBUTYRATE
   POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
   BIOCOMPATIBILITY
   PROLIFERATION
   FABRICATION
   NANOFIBERS
   COPOLYMERS
   MEMBRANES
Кл.слова (ненормированные):
electrospinning -- polyhydroxyalkanoates -- ultrafine fibers -- physical-mechanical properties -- fibroblast cells
Аннотация: IIn this study, electrospinning was used to prepare ultrafine fibers from PHAs with different chemical compositions: P(3HB) and copolymers: P(3HB-co-4HB), P(3HB-co-3HV), and P(3HB-co-3HHx). The main process parameters that influence ultrafine fiber diameter and properties (polymer concentration, solution feeding rate, working distance, and applied voltage) have been investigated and their effects evaluated. The study revealed electrospinning parameters for the production of high-quality ultrafine fibers and determined which parameters should be varied to tailor the properties of the products. This study is the first to compare biological and physical-mechanical parameters of PHAs with different chemical compositions as dependent upon the fractions of monomers constituting the polymers and ultrafine fiber orientation. Mechanical strength of aligned ultrafine fibers prepared from different PHAs is higher than that of randomly oriented ones; no significant effect of ultrafine fiber orientation on surface properties has been found. None of the fibrous scaffolds produced by electrospinning from PHAs had any adverse effects on attachment, growth, and viability of NIH 3T3 mouse fibroblast cells, and all of them were found to be suitable for tissue engineering applications.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk 660041, Russia
Russian Acad Sci, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, RussiaИФ СО РАН;

Доп.точки доступа:
Volova, T.; Волова, Татьяна Григорьевна; Goncharov, D.; Sukovatyi, A. G.; Суковатый, Алексей Григорьевич; Shabanov, A. V.; Шабанов, Александр Васильевич; Nikolaeva, E.; Shishatskaya, E.; Project 'Biotechnologies of novel biomaterials: innovative biopolymers and devices for biomedicine' [1, 11.G34.31.0013]; Government of the Russian Federation [220]; RF President for supporting young Doctors of Sciences [MD-3112.2012.4]
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Optical properties of LC cells controlled by the electrically induced ionic modification of the surface anchoring / V. S. Sutormin [et al.] // 16th Topical Meet. on the Opt. of Liq. Cryst. (OLC 2015) : book of abstr. - 2015. - Ст. O-13

Материалы конференции

Доп.точки доступа:
Sutormin, V. S.; Сутормин, Виталий Сергеевич; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Lee, W.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Topical Meeting on the Optics of Liquid Crystals(16 ; 13 - 18 Sept., 2015 ; Sopot, Poland)
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The antitumor effect of magnetic nanodisks and DNA aptamer conjugates / P. D. Kim [et al.] // Dokl. Biochem. Biophys. - 2016. - Vol. 466, Is. 1. - P. 66-69, DOI 10.1134/S1607672916010154. - Cited References:7. - This work was supported by the Russian Science Foundation (project no. 14-15-00805). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
Nanoparticles
Cells
Аннотация: Here we describe a method of forming large arrays (up to 109 pieces) of free magnetic Ni-nanodisks 50 nm thick coated on both sides with layers of 5 nm thick Au. The antitumor effect of the magnetic nickel gold-coated nanodisks and DNA aptamer conjugates was evaluated in vivo and in vitro. Under the influence of rotating magnetic field, the studied nanodisks can cause the death of Ehrlich ascites carcinoma cells.

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Публикация на русском языке Противоопухолевый эффект конъюгатов магнитных нанодисков с ДНК-аптамерами [Текст] / П. Д. Ким [и др.] // Докл. Акад. наук : Наука, 2016. - Т. 466 № 5. - С. 616-619

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Res Ctr, Krasnoyarsk 660036, Russia.
Voinoyasenetskii State Med Univ, Minist Hlth Russian Federat, Ul Partizana Zheleznyaka 1, Krasnoyarsk 660022, Krasnoyarsk Kra, Russia.
Siberian Fed Univ, Svobodnyi Pr 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Inst Semicond Phys, Pr Akad Lavrenteva 13, Novosibirsk 630090, Russia.
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Astafev Krasnoyarsk State Pedag Univ, Ul A Lebedevoi 89, Krasnoyarsk 660049, Russia.

Доп.точки доступа:
Kim, P. D.; Ким, Пётр Дементьевич; Zamay, S. S.; Замай С. С.; Zamay, T. N.; Prokopenko, V. S.; Kolovskaya, O. S.; Zamay, G. S.; Princ, V. Ya.; Seleznev, V. A.; Komonov, A. I.; Spivak, E. A.; Rudenko, R. Y.; Руденко, Роман Юрьевич; Dubinina, A. V.; Komarov, A. V.; Denisenko, V. V.; Komarova, M. A.; Sokolov, A. E.; Соколов, Алексей Эдуардович; Narodov, A. A.; Zjivaev, V. P.; Zamay, A. S.; Russian Science Foundation [14-15-00805]
}
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    Modulation of defect modes intensity by controlled light scattering in photonic crystal with liquid crystal domain structure / V. A. Gunyakov [et al.] // J. Quant. Spectrosc. Radiat. Transf. - 2016. - Vol. 178: Electromagnetic and light scattering by nonspherical particles XV: Celebrating 150 years of Maxwell's electromagnetics. - P. 152-157, DOI 10.1016/j.jqsrt.2015.11.018. - Cited References:24 . - ISSN 0022-4073. - ISSN 1879-1352
   Перевод заглавия: Модуляция интенсивности дефектных мод за счет управляемого светорассеяния в фотонном кристалле с жидкокристаллической доменной структурой

РУБ Optics + Spectroscopy
Рубрики:
Transmission
Cells
Кл.слова (ненормированные):
Photonic crystal -- Liquid crystal -- Spatial extended system -- Electrohydrodynamic instability -- Light scattering
Аннотация: A method to modulate the defect modes intensity in a multilayer photonic crystal with a nematic liquid crystal layer arranged midmost has been proposed. The various electro-hydrodynamic domain structures (Williams domains, oblique rolls and grid pattern) were formed in the nematic layer under the action of ac electric field. The domains cause a polarization-sensitive light scattering which leads to an anisotropic reduction of the defect modes intensity. Thus by varying the applied voltage, we can tune gradually the transmittance spectrum of photonic crystal. In addition, the spectrum strongly depends on the light polarization direction above threshold voltage. (C) 2015 Elsevier Ltd. All rights reserved.

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Доп.точки доступа:
Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Loiko, V. A.; Conference on Electromagnetic and Light Scattering(15 ; June 21-26, 2015 ; Leipzig, Germany)
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Ovchinnikov, S. G.
Effect of interlayer tunneling on the electronic structure of bilayer cuprates and quantum phase transitions in carrier concentration and high magnetic field / S. G. Ovchinnikov, I. A. Makarov, E. I. Shneyder // J. Exp. Theor. Phys. - 2011. - Vol. 112, Is. 2. - P. 288-302, DOI 10.1134/S106377611005119X. - Cited References: 64. - This study was supported financially by the program "Quantum Physics of Condensed Media" of the Presidium of the Russian Academy of Sciences (project no. 5.7), the integration projects of the Siberian Branch and the Ural Division of the Russian Academy of Sciences (project no. 40), the Russian Foundation for Basic Research (project no. 09-02-00127), the President of the Russian Federation (grant no. MK-1683.2010.2), and the Federal Target Program P891. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
T-J MODEL
   HIGH-TEMPERATURE SUPERCONDUCTORS
   DIMENSIONAL HUBBARD-MODEL
   FERMI-SURFACE
   COPPER OXIDES
   GROUND-STATE
   CUO2 PLANES
   SPECTRUM
   BAND
   NMR
Кл.слова (ненормированные):
Antibonding -- Bi-layer -- Bilayer cuprates -- Complex sequences -- Cuprates -- Doping levels -- External magnetic field -- Field magnitude -- Hartree-Fock approximations -- High magnetic fields -- Lifshitz transition -- Main effect -- Orbitals -- Perturbation theory -- Quantum phase transitions -- Quantum transitions -- Single-layer structure -- Theoretical study -- Unit cells -- Carrier concentration -- Copper compounds -- Density functional theory -- Electronic properties -- Electronic structure -- Hartree approximation -- Magnetic fields -- Perturbation techniques -- Phase transitions -- Surface structure -- Quantum theory
Аннотация: We present a theoretical study of the electronic structure of bilayer HTSC cuprates and its evolution under doping and in a high magnetic field. Analysis is based on the t-t'-taEuro(3)-J* model in the generalized Hartree-Fock approximation. Possibility of tunneling between CuO2 layers is taken into account in the form of a nonzero integral of hopping between the orbitals of adjacent planes and is included in the scheme of the cluster form of perturbation theory. The main effect of the coupling between two CuO2 layers in a unit cell is the bilayer splitting manifested in the presence of antibonding and bonding bands formed by a combination of identical bands of the layers themselves. A change in the doping level induces reconstruction of the band structure and the Fermi surface, which gives rise to a number of quantum phase transitions. A high external magnetic field leads to a fundamentally different form of electronic structure. Quantum phase transitions in the field are observed not only under doping, but also upon a variation of the field magnitude. Because of tunneling between the layers, quantum transitions are also split; as a result, a more complex sequence of the Lifshitz transitions than in single-layer structures is observed.

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Публикация на русском языке Овчинников, Сергей Геннадьевич. Влияние межслойного туннелирования на электронную структуру двухслойных купратов и квантовые фазовые переходы по концентрации носителей и сильному магнитному полю [Текст] / С. Г. Овчинников, И. А. Макаров, Е. И. Шнейдер // Журнал экспериментальной и теоретической физики. - 2011. - Т. 139 Вып. 2. - С. 334-350

Держатели документа:
[Ovchinnikov, S. G.
Makarov, I. A.
Shneyder, E. I.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Ovchinnikov, S. G.
Shneyder, E. I.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk 660014, Russian Federation

Доп.точки доступа:
Makarov, I. A.; Макаров, Илья Анатольевич; Shneyder, E. I.; Шнейдер, Елена Игоревна; Овчинников, Сергей Геннадьевич
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Magnetic structure in iron borates RFe3(BO3)(4) (R = Er, Pr): a neutron diffraction and magnetization study / C. . Ritter [et al.] // J. Phys.: Condens. Matter. - 2010. - Vol. 22, Is. 20. - Ст. 206002, DOI 10.1088/0953-8984/22/20/206002. - Cited References: 22. - This work was supported by RFBR, grant no. 10-02-00765, and by the Physical Sciences Department of RAS, project no. 1.1.1.1. . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
GDFE3(BO3)(4)
DYFE3(BO3)(4)
CRYSTAL
Кл.слова (ненормированные):
Antiferromagnetics -- Crystallographic structure -- Iron borate -- Low temperatures -- Magnetic ordering -- Magnetic propagation -- Magnetization measurements -- Rare-earth sublattices -- Space Groups -- Spin reorientation -- Sub-lattices -- Temperature range -- Unit cells -- Anisotropy -- Antiferromagnetic materials -- Antiferromagnetism -- Erbium -- Erbium compounds -- Magnetic devices -- Magnetic properties -- Magnetic structure -- Magnetization -- Neutron diffraction -- Rare earths -- Single crystals -- Crystallography
Аннотация: Neutron diffraction, susceptibility and magnetization measurements (for R = Er only) were performed on iron borates RFe3(BO3)(4) (R = Pr, Er) to investigate details of the crystallographic structure, the low temperature magnetic structures and transitions and to study the role of the rare earth anisotropy. PrFe3(BO3)(4), which crystallizes in the spacegroup R32, becomes antiferromagnetic at T-N = 32 K, with t = [0 0 3/2], while ErFe3(BO3)(4), which keeps the P3(1)21 symmetry over the whole studied temperature range 1.5 K < T < 520 K, becomes antiferromagnetic below T-N = 40 K, with tau = [0 0 1/2]. Both magnetic propagation vectors lead to a doubling of the crystallographic unit cell in the c-direction. Due to the strong polarization of the Fe-sublattice, the magnetic ordering of the rare earth sublattices appears simultaneously at T-N. The moment directions are determined by the rare earth anisotropy: easy-axis along c for PrFe3(BO3)(4) and easy-plane a-b for ErFe3(BO3)(4). There are no spin reorientations present in either of the two compounds but there is the appearance below 10 K of a minority phase in the Er-compound adopting a 120 degrees arrangement of the Er-moments.

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Держатели документа:
[Ritter, C.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[Vorotynov, A.
Pankrats, A.
Petrakovskii, G.
Temerov, V.
Gudim, I.] RAS, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Petrakovskii, G.] Siberian Fed Univ, Krasnoyarsk, Russia
[Szymczak, R.] Inst Phys PAS, Warsaw, Poland
ИФ СО РАН
Institut Laue-Langevin, Boite Postale 156, F-38042 Grenoble, France
L v Kirenskii Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Physics PAS, Warsaw, Poland

Доп.точки доступа:
Ritter, C.; Vorotynov, A. M.; Воротынов, Александр Михайлович; Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, I. A.; Гудим, Ирина Анатольевна; Szymczak, R.
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Magnetic-field-assisted formation of alignment polymer coatings in liquid crystal cells / A. M. Parshin [et al.] // Tech. Phys. Lett. - 2008. - Vol. 34, Is. 7. - P. 571-573, DOI 10.1134/S1063785008070109. - Cited References: 8 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
FRANK CONSTANTS
Аннотация: We describe a new method for obtaining liquid crystal (LC) layers with planar orientation in plane-parallel cells, which is based on the technology of LC-polymer interface formation in solution under the action of an applied magnetic field. The azimuthal anchoring energy of LC at the polymer surface has been determined by measuring the angle of orientation of the nematic LC director on the substrate surface as a function of the magnetic field. The LC orientation provided by the proposed method is stable, and the anisotropy of LC anchoring is comparable with that achieved using well-known methods of alignment polymer film preparation by rubbing.

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Держатели документа:
[Parshin, A. M.] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk, Russia
Siberian Fed Univ, Krasnoyarsk, Russia
ИФ СО РАН

Доп.точки доступа:
Parshin, A. M.; Паршин, Александр Михайлович; Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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10.

High-pressure magnetic properties and P-T phase diagram of iron borate / A. G. Gavriliuk [et al.] // J. Exp. Theor. Phys. - 2005. - Vol. 100, Is. 4. - P. 688-696, DOI 10.1134/1.1926429. - Cited References: 24 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
FEBO3 SINGLE-CRYSTALS
   NUCLEAR-RESONANCE
   BAND-STRUCTURE
   TRANSITION
   TEMPERATURE
   SCATTERING
Кл.слова (ненормированные):
Antiferromagnetic materials -- Diamonds -- Ferromagnetic materials -- High pressure effects -- Low temperature effects -- Magnetic moments -- Magnetic properties -- Magnetization -- Phase diagrams -- Powders -- Single crystals -- Synchrotron radiation -- Diamond anvil cells -- Electronic transition -- Iron borate -- Nuclear forward scattering (NFS) -- Iron compounds
Аннотация: The high-pressure magnetic states of iron borate (FeBO3)-Fe-57 single-crystal and powder samples have been investigated in diamond anvil cells by nuclear forward scattering (NFS) of synchrotron radiation at different temperatures. In the low-pressure (0 < P < 46 GPa) antiferromagnetic phase, an increase of the Neel temperature from 350 to 595 K induced by pressure was found. At pressures 46-49 GPa, a transition from the antiferromagnetic to a new magnetic state with a weak magnetic moment (magnetic collapse) was discovered. It is attributed to the electronic transition in Fe3+ ions from the high-spin 3d(5) (S = 5/2, (6)A(1g)) to the low-spin (S = 1/2, T-2(2g)) state (spin crossover) due to the insulator-semiconductor-type transition with extensive suppression of strong d-d electron correlations. At low temperatures, NFS spectra of the high-pressure phase indicate magnetic correlations in the low-spin system with a magnetic ordering temperature of about 50 K. A tentative magnetic P-T phase diagram of FeBO3 is proposed. An important feature of this diagram is the presence of two triple points where magnetic and paramagnetic phases of the high-spin and low-spin states coexist. © 2005 Pleiades Publishing, Inc.

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Держатели документа:
Inst High Pressure Phys, Troitsk 142190, Moscow Oblast, Russia
Russian Acad Sci, Inst Crystallog, Moscow 119333, Russia
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute for High-Pressure Physics, Troitsk, Moscow oblast, 142190, Russian Federation
Institute of Crystallography, Russian Academy of Sciences, Moscow, 119333, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Gavriliuk, A. G.; Trojan, I. A.; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Sarkissian, V. A.
}
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