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The role of small-angle X-ray scattering and molecular simulations in 3D structure elucidation of a DNA aptamer-cancer cells magnetic separation agent / R. V. Moryachkov, D. Morozov, V. Mironov [et al.] // 4th International Baltic Conference on Magnetism (IBCM 2021) : Book of abstracts. - 2021. - P. 168. - Cited References: 2. - The reported study was funded by RFBR, project number 19-32-90266

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS

Доп.точки доступа:
Moryachkov, R. V.; Морячков, Роман Владимирович; Morozov, D.; Mironov, V.; Shchugoreva, I.; Artyushenko, P. V.; Артюшенко, Полина Владимировна; Zamay, G. S.; Замай Г. С.; Molodenskiy, D. S.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Kichkailo, A.S.; Кичкайло, Анна Сергеевна; Sokolov, A. Е.; Соколов, Алексей Эдуардович; International Baltic Conference on Magnetism: focus on nanobiomedicine and smart materials(4 ; 2021 ; Aug. 29-Sept. 2 ; Svetlogorsk, Russia); Балтийский федеральный университет им. И. Канта
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    The role of SAXS and molecular simulations in 3D structure elucidation of a DNA aptamer against lung cancer / D. Morozov, V. Mironov, R. V. Moryachkov [et al.] // Mol. Ther. Nucl. Acids. - 2021. - Vol. 25. - P. 316-327, DOI 10.1016/j.omtn.2021.07.015. - Cited References: 84. - The research was performed using equipment of the Shared Core Facilities of Molecular and Cell Technologies at Krasnoyarsk State Medical University. The synchrotron SAXS data were collected at beamline P12 operated by EMBL Hamburg at the PETRA III storage ring (DESY, Hamburg, Germany). A.S.K. is grateful to Aptamerlab LLC for the assistance in aptamer design and 3D structure analyses. We thank Ivan Lapin for his help with microscopic analyses. Microscopic analyses using Carl Zeiss LSM 800 were carried out at the Center for Bioassay, Nanotechnology and Nanomaterials Safety (“Biotest-Nano”) (Multiple-Access Center, Tomsk State University, Tomsk, Russia). D.M. also thanks the CSC-IT Center in Espoo, Finland, for providing computational resources. The study was supported by a grant from the Russian Science Foundation (project number 21-73-20240) for A.S.K. R.V.M aknowledges Russian Foundation for Basic Research (project number 19-32-90266) for funding. D.G.F. acknowledges financial support by JSPS KAKENHI, grant number 19H02682. D.S.M. acknowledges financial support by BMBF grant number 16QK10A (SAS-BSOFT). Y.A.’s work at Argonne National Laboratory was supported by the US Department of Energy, Office of Science, under contract DE-AC02-06CH11357. D.M. received funding as a part of BioExcel CoE (https://bioexcel.eu/), a project funded by the European Union contracts H2020-INFRAEDI-02-2018-823830 and H2020-EINFRA-2015-1-675728. V.M. thanks Russian Foundation for Basic Research (project number 19-03-00043) for funding . - ISSN 2162-2531
   Перевод заглавия: Роль малоуглового рентгеновского рассеяния и молекулярного моделирования в выснении трёхмерной структуры ДНК аптамера против рака лёгкого
Кл.слова (ненормированные):
aptamer -- oligonucleotide -- tertiary structure -- spatial structure -- lung adenocarcinoma -- small-angle X-ray scattering -- SAXS -- molecular dynamics -- fragment molecular orbital -- molecular simulations
Аннотация: Aptamers are short, single-stranded DNA or RNA oligonucleotide molecules that function as synthetic analogs of antibodies and bind to a target molecule with high specificity. Aptamer affinity entirely depends on its tertiary structure and charge distribution. Therefore, length and structure optimization are essential for increasing aptamer specificity and affinity. Here, we present a general optimization procedure for finding the most populated atomistic structures of DNA aptamers. Based on the existed aptamer LC-18 for lung adenocarcinoma, a new truncated LC-18 (LC-18t) aptamer LC-18t was developed. A three-dimensional (3D) shape of LC-18t was reported based on small-angle X-ray scattering (SAXS) experiments and molecular modeling by fragment molecular orbital or molecular dynamic methods. Molecular simulations revealed an ensemble of possible aptamer conformations in solution that were in close agreement with measured SAXS data. The aptamer LC-18t had stronger binding to cancerous cells in lung tumor tissues and shared the binding site with the original larger aptamer. The suggested approach reveals 3D shapes of aptamers and helps in designing better affinity probes.

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Держатели документа:
Nanoscience Center and Department of Chemistry, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, 40014, Finland
Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
Laboratory of Physics of Magnetic Phenomena, Kirensky Institute of Physics, 50/38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Laboratory for Digital Controlled Drugs and Theranostics, Federal Research Center “Krasnoyarsk Science Center SB RAS,” 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Medical University, 1 Partizana Zheleznyaka, Krasnoyarsk, 660022, Russian Federation
Department of Chemistry, Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
European Molecular Biology Laboratory, Hamburg Outstation, Notkestrasse 85, Hamburg, 22603, Germany
Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, ON K1N 6N5, Canada
Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8568, Japan
Computational Science Division, Argonne National Laboratory, Lemont, IL, United States

Доп.точки доступа:
Morozov, D.; Mironov, V.; Moryachkov, R. V.; Морячков, Роман Владимирович; Shchugoreva, I. A.; Artyushenko, P. V.; Zamay, G. S.; Kolovskaya, O. S.; Zamay, T. N.; Krat, A. V.; Molodenskiy, D. S.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Veprintsev, D. V.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Zukov, R. A.; Berezovski, M. V.; Tomilin, F. N.; Томилин, Феликс Николаевич; Fedorov, D. G.; Alexeev, Y.; Kichkailo, A. S.
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The Ca2+-regulated photoprotein obelin as a tool for SELEX monitoring and DNA aptamer affinity evaluation / V. V. Krasitskaya, N. S. Goncharova, V. V. Biriukov [et al.] // Photochem. Photobiol. - 2020. - Vol. 96, Is. 5. - P. 1041-1046, DOI 10.1111/php.13274. - Cited References: 25. - This work has been supported by the Russian Foundation for Basic Research (RFBR) under the grant no 18-38-00531. . - ISSN 0031-8655. - ISSN 1751-1097

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
CARDIAC TROPONIN-I
   BIOLUMINESCENCE
   IMMUNOASSAY
   APTASENSOR
   DIAGNOSIS
Аннотация: Bioluminescent solid-phase analysis was proposed to monitor the selection process and to determine binding characteristics of the aptamer-target complexes during design and development of the specific aptamers. The assay involves Ca2+-regulated photoprotein obelin as a simple, sensitive and fast reporter. Applicability and the prospects of the approach were exemplified by identification of DNA aptamers to cardiac troponin I, a highly specific early biomarker for acute myocardial infarction. Two structurally different aptamers specific to various epitopes of troponin I were obtained and then tested in a model bioluminescent assay.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Inst Biophys SB RAS, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Inst Chem Biol & Fundamental Med SB RAS, Novosibirsk, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Krasitskaya, V. V.; Goncharova, N. S.; Biriukov, V. V.; Bashmakova, E. E.; Kabilov, M. R.; Baykov, I. K.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Frank, L. A.; Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [18-38-00531]
}
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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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Structural analysis of thrombin-binding G-aptamers in presence of bivalent ions / P. A. Nikolaeva, R. V. Moryachkov, V. N. Raldugina [et al.] // Sib. Med. Rev. - 2022. - Is. 5. - P. 111-113 ; Сиб. мед. обозрение, DOI 10.20333/25000136-2022-5-111-113. - Cited References: 4. - The study was supported by a grant from the Russian Science Foundation (project number 21-73-20240) . - ISSN 1819-9496
Кл.слова (ненормированные):
3D structures -- DNA aptamers -- thrombin inhibitors -- G-quadruplexes
Аннотация: The aim of this study was to examine 3D structures of DNA aptamers, thrombin inhibitors. The main objective was to study 3D structure 15TBA, RE31, NU172 aptamers using the small-angle X-ray scattering method. The size of 15TBA was 4.5 nm, which corresponds to a partially unfolded conformation. The CD spectrum of Nu172 in the presence of 50 mM strontium ions indicates the presence of an antiparallel G-quadruplex, the concentration o f which drops at 50°C. NU172 does not have a rigid structure, apparently due to the presence of a guanine residue in the GT loop. The NU172 aptamer does not form a stable conformation in solution either without ions or with Ba2+ and Sr2+ ions. It was shown that there is possibility of aptamers transition from one conformation to another dependently on concentration and temperature confirms that the potassium ion is a unique stabilizing ion of natural molecules containing G-quadruplexes.

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Держатели документа:
Department bioimformatics and bioengineery, Lomonosov Moscow State University, Moscow, 119992, Russian Federation
Federal Research Center «Krasnoyarsk Science Center SB RAS», Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Belozersky Institute of physical chemical biology, Lomonosov Moscow State University, Moscow, 119992, Russian Federation

Доп.точки доступа:
Nikolaeva, P. A.; Moryachkov, R. V.; Морячков, Роман Владимирович; Raldugina, V. N.; Naumova, Iu. O.; Novikova, T. M.; Spiridonova, V. A.

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Silica-coated iron oxide nanoparticles for DNA isolation for molecular genetic studies in hematology / A. V. Tyumentseva, R. N. Yaroslavtsev, S. V. Stolyar [et al.] // Genet. Test. Mol. Biomark. - 2021. - Vol. 25, Is. 9. - P. 611-614, DOI 10.1089/gtmb.2021.0067. - Cited References: 16 . - ISSN 1945-0265. - ISSN 1945-0257

РУБ Biochemistry & Molecular Biology + Genetics & Heredity
Рубрики:
OXIDATIVE STRESS
MUTATION
DAMAGE
Кл.слова (ненормированные):
magnetic nanoparticles -- DNA isolation -- myeloproliferative neoplasms -- JAK2 V617F
Аннотация: Aim: To develop magnetic nanoparticles (MNPs) based on iron oxide for DNA isolation from blood cells for quantitative molecular genetic analyses of the V617F mutation in the Januskinase 2 (JAK2) gene. Materials and Methods: MNPs were synthesized by the coprecipitation method and coated with tetraethyl orthosilicate (TEOS). The size and shape of the complexes were estimated using transmission electron microscopy. Twenty blood samples from patients with myeloproliferative disorders were used for DNA isolation with the MNPs. DNA quality and compatibility for molecular genetic studies of the JAK2 V617F mutation were investigated by gel electrophoresis and real-time polymerase chain reaction (RT-PCR). Results: The average amount of DNA isolated from 150 μL of whole blood was 75.2 ng when MNPs were used and 72.5 ng when standard silica sorbent was used. There was no DNA damage observed after interaction with MNPs. RT-PCR demonstrated similar values for the JAK2 V617F mutant DNA ratios in the samples after DNA isolation with MNPs and by standard sorption on silica. Conclusions: MNPs with silicate capsules of sufficient thickness were obtained and the undesirable damaging effect of iron oxides on nucleic acids during isolation from cells were eliminated. Designed MNPs allow obtaining intact DNA for molecular genetic studies using the example of the JAK2 V617F for study.

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Держатели документа:
RAS, Krasnoyarsk Sci Ctr, Fed Res Ctr, Siberian Branch, Akademgorodok 50,Str 12-2, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Fed Med Biol Agcy, Fed Siberian Res Clin Ctr, Fed State Financed Inst, Krasnoyarsk, Russia.
Natl Res Ctr Hematol, Dept Hlth, Krasnoyarsk Branch, Krasnoyarsk, Russia.

Доп.точки доступа:
Tyumentseva, Anna, V; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Stolyar, S. V.; Столяр, Сергей Викторович; Saitova, Alina T.; Саитова, Алина Тимуровна; Tyutrina, Ekaterina S.; Gorbenko, Alexey S.; Stolyar, Marina A.; Olkhovskiy, Igor A.
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Selection of DNA aptamers for breast cancer / G. S. Zamay, I. V. Belyanina, A. S. Zamay [et al.] // Biochem. Mosc.-Suppl. Ser. B-Biomed. Chem. - 2016. - Vol. 10, Is. 2. - P. 158-164, DOI 10.1134/S1990750816020128. - Cited References:23 . - ISSN 1990-7508. - ISSN 1990-7516

РУБ Biochemistry & Molecular Biology
Рубрики:
BIOMARKERS
MORTALITY
PATTERNS
Кл.слова (ненормированные):
SELEX -- DNA aptamers -- oligonucleotides -- breast cancer
Аннотация: A method of selection of DNA aptamers to breast tumor tissue based on the use of postoperative material has been developed. Breast cancer tissues were used as the positive target; the negative targets included benign tumor tissue, adjacent healthy tissues, breast tissues from mastopathy patients, and also tissues of other types of malignant tumors. During selection a pool of DNA aptamers demonstrating selective binding to breast cancer cells and tissues and insignificant binding to breast benign tissues has been obtained. These DNA aptamers can be used for identification of protein markers, breast cancer diagnostics, and targeted delivery of anticancer drugs.

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Публикация на русском языке Селекция ДНК-аптамеров для диагностики рака молочной железы [Текст] / Г. С. Замай [и др.] // Биомедицинская химия. - Москва : Научно-исследовательский институт биомедицинской химии им. В.Н. Ореховича, 2016. - Т. 62 № 4. - С. 411-417

Держатели документа:
Kirensky Inst Phys, Krasnoyarsk, Russia.
Voino Yasenetski Krasnoyarsk State Med Univ, Ul Partizana Zheleznyaka 1, Krasnoyarsk 660022, Russia.
KKRCCC, Krasnoyarsk, Russia

Доп.точки доступа:
Zamay, G. S.; Замай, Г. С.; Belyanina, I. V.; Zamay, A. S.; Замай, Анна Сергеевна; Komarova, M. A.; Krat, A. V.; Eremina, E. N.; Zukov, R. A.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Zamay, T. N.; Замай, Т. Н.
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    Raman scattering in dried DNA and crystalline amino acids / V. S. Gorelik [et al.] // Phys. Wave Phenom. - 2016. - Vol. 24, Is. 4. - P. 272-278, DOI 10.3103/S1541308X1604004X. - Cited References: 53. - The work was supported in part by the RFBR Projects 14-02-00190 and 16-52-00026 (BRFFR - RFBR F16R-063). . - ISSN 1541-308X
   Перевод заглавия: Комбинационное рассеяние света в высушенной ДНК и кристаллических аминокислот
Аннотация: Raman spectrum characteristics of dried deoxyribonucleic acid (DNA) and two types of crystalline amino acids (L-lysine, D-asparagine) are compared in a wide range of frequencies, including the regions of lattice (7 to 200 cm−1) and intramolecular (200 to 4000 cm−1) vibrations. It is found that the spectral position of the low-frequency band in the Raman spectrum of DNA with a peak near 26 cm−1 correlates with the Raman spectrum of high-Q low-frequency modes that manifest themselves in the crystalline amino acids under investigation. The low-frequency band of DNA refers to a twist-like vibrational mode of nucleobases. The intensities of this DNA mode and the high-Q lattice modes of the crystalline amino acids L-lysine and D-asparagine are several times as high as those of the Raman lines corresponding to the intramolecular modes. Resonant coupling of low-frequency modes of DNA and amino acid molecular chains is analyzed. © 2016, Allerton Press, Inc.

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Держатели документа:
Lebedev Physical Institute, Russian Academy of Sciences, Leninskiy pr. 53, Moscow, Russian Federation
Bauman Moscow State Technical University, ul. 2-ya Baumanskaya 5/1, Moscow, Russian Federation
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, str. 38, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Gorelik, V. S.; Zlobina, L. I.; Krylov, A. S.; Крылов, Александр Сергеевич; Sverbil, V. P.; Sverbil, P. P.
}
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Obtaining and properties of biomagnetic nanoconjugates based on DNA aptamers and magnetic nanoparticles for magnetodynamic cell therapy / A. Е. Sokolov, A. V. Kurilova, V. A. Svetlichniy [et al.] // The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials : Proceedings. - VLadivostok : Dalnauka Publishing, 2020. - Ст. V.01.17o. - P. 147 . - ISBN 978-5-8044-1698-1

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Доп.точки доступа:
Sokolov, A. Е.; Соколов, Алексей Эдуардович; Kurilova, A. V.; Svetlichniy, V. A.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Sherepa, A. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Goncharova, D. A.; Shabalina, A. V.; Asian School-Conference on Physics and Technology of Nanostructured Materials(5 ; 2020 ; 30 Jul - 3 Aug ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(5 ; 2013 ; 30 июля - 3 авг. ; Владивосток)
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10.

Moryachkov, R. V.
Structure approaches to study of DNA aptamers in solution / R. V. Moryachkov, P. A. Nikolaeva, V. A. Spiridonova // Sib. Med. Rev. - 2021. - Vol. 2021, Is. 2. - P. 76-78 ; Сиб. мед. обозрение, DOI 10.20333/2500136-2021-2-76-78. - Cited References: 5. - The reported study was funded by RFBR, project number 19-32-90266 . - ISSN 1819-9496
Кл.слова (ненормированные):
biomolecules in solution -- tertiary structure -- small-angle X-ray scattering (SAXS) -- structure analysis
Аннотация: The high potential of aptamers – specific molecular agents based on short single-stranded nucleic acids – makes high demands on the molecules under development for the efficiency of interaction with target biomolecules. In this work, approaches are considered for studying the spatial structure of DNA aptamers in solution using various complementary methods, which make it possible to obtain a more complete picture of the formation of the structure and conformational changes, to track the interaction with the target protein, the tendency to oligomerization, and to characterize the spatial structure of both individual molecules and complexes.

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Держатели документа:
Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50, Akademgorodok St., Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Bld. 38, 50, Akademgorodok St., Krasnoyarsk, 660036, Russian Federation
Lomonosov Moscow State University, 1, Leninskie Gory St., Moscow, 119992, Russian Federation
A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Bld. 40, 1, Leninskie Gory St., Moscow, 119992, Russian Federation

Доп.точки доступа:
Nikolaeva, P. A.; Spiridonova, V. A.; Морячков, Роман Владимирович

}
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11.

Molecular epitope determination of aptamer complexes of the multidomain protein C-met by proteolytic affinity-mass spectrometry / L. Lupu, P. Wiegand, N. Huttmann [et al.] // ChemMedChem. - 2020. - Vol. 15, Is. 4. - P. 363-369, DOI 10.1002/cmdc.201900489. - Cited References: 40. - We gratefully acknowledge the advice and assistance of Prof. Friedemann Volklein and Oliver Muller, MSc in the preparation of chips for the SPR affinity determinations. We thank Dr. Stefan Maeser, Biogen GmbH, Munchen, for valuable advice and critical reading of the manuscript. This work has been partially funded (Chip-MS epitope analysis) by the LOEWE-3 Funding Agency, Hessen-Agentur, Wiesbaden, Germany; Grant 696/19-16 . - ISSN 1860-7179. - ISSN 1860-7187

РУБ Chemistry, Medicinal + Pharmacology & Pharmacy
Рубрики:
DNA APTAMERS
ANTIBODIES
RECOGNITION
Кл.слова (ненормированные):
C-Met protein -- tumor biomarkers -- aptamer-C-Met complexes -- aptamer epitopes -- affinity-mass spectrometry -- epitope peptide analysis
Аннотация: C‐Met protein is a glycosylated receptor tyrosine kinase of the hepatocyte growth factor (HGF), composed of an α and a β chain. Upon ligand binding, C‐Met transmits intracellular signals by a unique multi‐substrate docking site. C‐Met can be aberrantly activated leading to tumorigenesis and other diseases, and has been recognized as a biomarker in cancer diagnosis. C‐Met aptamers have been recently considered a useful tool for detection of cancer biomarkers. Herein we report a molecular interaction study of human C‐Met expressed in kidney cells with two DNA aptamers of 60 and 64 bases (CLN0003 and CLN0004), obtained using the SELEX (Systematic Evolution of Ligands by Exponential Enrichment) procedure. Epitope peptides of aptamer‐C‐Met complexes were identified by proteolytic affinity‐mass spectrometry in combination with SPR biosensor analysis (PROTEX‐SPR‐MS), using high‐pressure proteolysis for efficient digestion. High affinities (KD, 80–510 nM) were determined for aptamer‐C‐Met complexes, with two‐step binding suggested by kinetic analysis. A linear epitope, C‐Met (381–393) was identified for CLN0004, while the CLN0003 aptamer revealed an assembled epitope comprised of two peptide sequences, C‐Met (524–543) and C‐Met (557–568). Structure modeling of C‐Met‐aptamers were consistent with the identified epitopes. Specificities and affinities were ascertained by SPR analysis of the synthetic epitope peptides. The high affinities of aptamers to C‐Met, and the specific epitopes revealed render them of high interest for cellular diagnostic studies.

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Steinbeis Ctr Biopolymer Anal & Biomed Mass Spect, Marktstr 29, D-65428 Russelsheim, Germany.
Univ Ottawa, Dept Chem & Biomol Sci, Ottawa, ON K1N 6N5, Canada.
Rhein Main Univ, Dept Engn Sci, D-65428 Russelsheim, Germany.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 66041, Russia.
Russian Acad Sci, Fed Res Ctr, Lab Digital Controlled Drugs & Theranost, Siberian Branch,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Pressure Biosci Inc, 14 Norfolk Ave, South Easton, MA 02375 USA.

Доп.точки доступа:
Lupu, Loredana; Wiegand, Pascal; Huttmann, N.; Rawer, Stephan; Kleinekofort, Wolfgang; Shugureva, Irina; Kichkailo, Anna S.; Tomilin, F. N.; Томилин, Феликс Николаевич; Lazarev, Alexander; Berezovski, Maxim V.; Przybylski, Michael; LOEWE-3 Funding Agency, Hessen-Agentur, Wiesbaden, Germany [696/19-16]
}
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12.

Molecular design of aptamer structure by computer simulations / I. Shchugoreva [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P12.2. - P. 558. - We acknowledge the grant by the Ministry of Education and Science (Agreement No.14.607.21.0104 (RFMEFI60714X0104)) for the financial support of this work . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
DNA -- SELEX -- SAXS -- QM/MM -- aptamer -- G-quartets

Доп.точки доступа:
Shchugoreva, I.; Moryachkov, R.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Sokolov, A. E.; Соколов, Алексей Эдуардович; Spiridonova, V. A.; Спиридонова В. А.; Gruzinov, A.; Zamay, A. S.; Замай, Анна Сергеевна; Veprincev, D.; Zamay, G. S.; Замай Г. С.; Tomilin, F. N.; Томилин, Феликс Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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13.

Magnetic nanoscalpel for the effective treatment of ascites tumors / T. Zamay, S. Zamay, N. Luzan [et al.] // J. Funct. Biomater. - 2023. - Vol. 14, Is. 4. - Ст. 179, DOI 10.3390/jfb14040179. - Cited References: 36. - This research was funded by the Regional State Autonomous Institution “Krasnoyarsk Regional Fund for Support of Scientific and Scientific and Technical Activities”, Competition of scientific, technical, and innovative projects in the interests of the first world-class climate scientific and educational center “Yenisei Siberia”, grant “Carrying out applied research and development aimed at creating technologies for the production of nanoscalpels based on magnetic nanodisks for microsurgery of glial brain tumors” No. 2022060108781 and with the support of a partner company JSC «NPP «Radiosviaz» . - ISSN 2079-4983
Кл.слова (ненормированные):
magnetic nanodisks -- ascitic tumor -- magneto-mechanical therapy -- “smart nanoscalpel” -- DNA aptamers -- apoptosis -- necrosis
Аннотация: One of the promising novel methods for radical tumor resection at a single-cell level is magneto-mechanical microsurgery (MMM) with magnetic nano- or microdisks modified with cancer-recognizing molecules. A low-frequency alternating magnetic field (AMF) remotely drives and controls the procedure. Here, we present characterization and application of magnetic nanodisks (MNDs) as a surgical instrument (“smart nanoscalpel”) at a single-cell level. MNDs with a quasi-dipole three-layer structure (Au/Ni/Au) and DNA aptamer AS42 (AS42-MNDs) on the surface converted magnetic moment into mechanical and destroyed tumor cells. The effectiveness of MMM was analyzed on Ehrlich ascites carcinoma (EAC) cells in vitro and in vivo using sine and square-shaped AMF with frequencies from 1 to 50 Hz with 0.1 to 1 duty-cycle parameters. MMM with the “Nanoscalpel” in a sine-shaped 20 Hz AMF, a rectangular-shaped 10 Hz AMF, and a 0.5 duty cycle was the most effective. A sine-shaped field caused apoptosis, whereas a rectangular-shaped field caused necrosis. Four sessions of MMM with AS42-MNDs significantly reduced the number of cells in the tumor. In contrast, ascites tumors continued to grow in groups of mice and mice treated with MNDs with nonspecific oligonucleotide NO-MND. Thus, applying a “smart nanoscalpel” is practical for the microsurgery of malignant neoplasms.

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Держатели документа:
Federal Research Center “Krasnoyarsk Science Center” of the Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russia
Laboratory for Biomolecular and Medical Technologies, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
JSC «NPP «Radiosviaz», Krasnoyarsk 660021, Russia
Laboratory of Advanced Materials and Technology, Siberian Physical Technical Institute, Tomsk State University, Tomsk 634050, Russia
L.V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk 660036, Russia
Institute of Automation and Control Processes (IACP), Far Eastern Branch of the Russian Academy of Science, Vladivostok 690041, Russia
Far Eastern Federal University, Vladivostok 690950, Russia
V.P. Astafiev Krasnoyarsk State Pedagogical University, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Zamay, Tatiana; Zamay, Sergey; Luzan, Natalia; Fedotovskaya, Victoriya; Masyugin, Albert; Zelenov, F.; Koshmanova, Anastasia; Nikolaeva, Elena; Kirichenko, Daria; Veprintsev, Dmitry; Kolovskaya, Olga; Shchugoreva, Irina; Zamay, Galina; Lapin, I. N.; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Borus, Andrey; Борус, Андрей Андреевич; Sukhachev, A. L.; Сухачев, Александр Леонидович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Lukyanenko, Kirill; Shabanov, Alexandr; Zabluda, V. N.; Заблуда, Владимир Николаевич; Zhizhchenko, Alexey; Kuchmizhak, Aleksandr; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Narodov, Andrey; Prokopenko, Vladimir; Galeev, Rinat; Svetlichnyi, Valery; Kichkailo, Anna
}
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14.

Magnetic Nanoparticles for Extracting DNA from Blood Cells / A. V. Komina, R. N. Yaroslavtsev, Y. V. Gerasimova [et al.] // Bull. Russ. Acad. Sci. Phys. - 2020. - Vol. 84, Is. 11. - P. 1362-1365, DOI 10.3103/S1062873820110155. - Cited References: 15 . - ISSN 1062-8738
Кл.слова (ненормированные):
Blood cells -- Extraction process -- Genomic DNA -- Iron nanoparticles -- Magnetic particle
Аннотация: A technique for extracting DNA from blood cells using magnetic particles offers the advantage of saving time and prospects of automating the extraction process. A way of obtaining magnetic iron nanoparticles for extracting DNA from blood cells is developed. Magnetic nanoparticles with characteristics suitable for extracting genomic DNA from leukocytes are obtained and investigated.

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Публикация на русском языке Магнитные частицы для выделения ДНК из клеток крови [Текст] / А. В. Комина, Р. Н. Ярославцев, Ю. В. Герасимова [и др.] // Изв. РАН. Сер. физич. - 2020. - Т. 84 № 11. - С. 1597-1600

Держатели документа:
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
National Research Center for Hematology, Krasnoyarsk Branch, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Astrakhan State University, Astrakhan, 414056, Russian Federation
Al-Qasim Green University, College of Biotechnology, Babylon, 00964, Iraq

Доп.точки доступа:
Komina, A. V.; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Stolyar, S. V.; Столяр, Сергей Викторович; Olkhovsky, I. A.; Bairmani, M. S.
}
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15.

Magnetic nanoparticles and DNA-aptamers conjugates for diagnostics and therapy of cancer : Invited / A. E. Sokolov [et al.] // International workshop on actual problems of condensed matter physics : Program. Book of abstracts / Fed. Res. Center KSC SB RAS, Kirensky Inst. of phys., Sib. Fed. Univ. - Krasnoyarsk, 2017. - P. 13

Материалы совещания

Доп.точки доступа:
Ovchinnikov, S. G. \предс. прогр. ком.\; Овчинников, Сергей Геннадьевич; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Zamay, S. S.; Замай С. С.; Zamay, T. ; Замай Татьяна; Svetlichnyi, V.; Светличный В.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Federal Research Center KSC SB RAS; Kirensky Institute of Physics; Siberian Federal Univercity; International Workshop on Actual Problems of Condensed Matter Physics(27 Mar. - 1 Apr. 2017 ; Krasnoyarsk / Cheremushki)
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}
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16.

Magnetic nanoparticles and DNA-aptamers conjugates for cancer therapy / A. Е. Sokolov [et al.] // Int. Baltic Conf. Magnet. (IBCM-2017) : Focus on funcshionalized magnetic struct. for energy and biotech. : book of abstracts. - 2017. - P. 77. - Библиогр.: 4

Материалы конференции

Доп.точки доступа:
Sokolov, A. Е.; Соколов, Алексей Эдуардович; Ivanova, O. S.; Иванова, Оксана Станиславовна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Dubinina, A. V.; Semina, P. N.; Семина, Полина Николаевна; Zamay, G. S.; Замай Г. С.; Zamay, T. N.; Zamay, S. S.; Замай С. С.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Svetlichnyi, V.; Светличный В.; Lapin, I. N.; Лапин Иван; Shabalina, A.; Шабалина Анастасия; Solodova, O. V.; Солодова О. В.; International Baltic Conference on Magnetism: Focus on funcshionalized magnetic structures for energy and biotechnology (2 ; 2017 ; 20-24 Aug. ; Svetlogorsk); Балтийский федеральный университет им. И. Канта
}
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17.

Magnetic nanoconstructions of iron oxides coated with arabinogalactan functionalized with DNA aptamer / S. V. Stolyar [et al.] // J. Phys. Conf. Ser. - 2019. - Vol. 1399. - Ст. 022026, DOI 10.1088/1742-6596/1399/2/022026. - Cited References: 6 . - ISSN 1742-6588. - ISSN 1742-6596
Рубрики:
Applied Physics
Аннотация: New composite nanoparticles for biomedical applications have been manufactured. The particles consist of an anisomeric magnetite core coated with arabinogalactan and are functionalized with cameras for As-14 ascites cells (Ehrlich carcinoma). The binding of ascitic Ehrlich carcinoma cells to magnetic nanoparticles was evaluated using fluorescence microscopy.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Krasnoyarsk Scientific Center, Federal Research Center KSC SB RAS Krasnoyarsk, Russia
Krasnoyarsk State Medical University named after prof. V.F. Voino-Yasenecki, Krasnoyarsk, 660022, Russia
Astrakhan State University, Tatisheva 20 A, Astrakhan, 414056, Russia
College of Biotechnology, Al-Qasim Green University, Iraq

Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Bayukov, O. A.; Баюков, Олег Артемьевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Garanzha, I. V.; Kolovskaya, O. S.; Bairmani, M. Sh.; Zamay, T. N.; International Scientific Conference "Conference on Applied Physics, Information Technologies and Engineering"(25-27 September 2019 ; Krasnoyarsk, Russian Federation)
}
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18.

Magnetic and magnetooptical properties of magnetic nanoparticles and DNA-Aptamers conjugates for medical application / A. E. Sokolov [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P12.4. - P. 561. - The work was supported by the Ministry of Education and Science (Agreement No.14.607.21.0104 (RFMEFI60714X0104)) . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
magnetic nanoparticles -- magnetization -- natural and magnetic circular dichroism -- aptamers -- bionanoconjugates

Доп.точки доступа:
Sokolov, A. E.; Соколов, Алексей Эдуардович; Ivanova, O. S.; Иванова, Оксана Станиславовна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Dubynina, A. V.; Дубынина, А. В.; Semina, P. N.; Семина, Полина Николаевна; Zamay, G. S.; Замай, Г. С.; Zamay, T. N.; Замай, Татьяна Н.; Zamay, A. S.; Замай, Анна Сергеевна; Volochaev, M. N.; Волочаев, Михаил Николаевич; Svetlichnyi, V.; Светличный, Валерий; Lapin, I. N.; Лапин, И. Н.; Shabalina, A.; Шабалина, Анастасия; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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19.

Maghemite nanoparticles for DNA extraction: Performance and blocking temperature / S. V. Stolyar, S. V. Komogortsev, A. S. Gorbenko [et al.] // J. Supercond. Novel Magn. - 2022. - Vol. 35, Is. 7. - P. 1929-1936, DOI 10.1007/s10948-022-06233-5. - Cited References: 33. - This work was supported by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund, with research projects no. 20–42-242902. We are grateful to the Center of Collective Use of FRC KSC SB RAS for the provided equipment . - ISSN 1557-1939
Кл.слова (ненормированные):
Magnetic nanoparticles -- Superparamagnetism -- Blocking temperature -- Magnetic separation
Аннотация: Iron oxide nanoparticles coated with polyethylene glycol were synthesized by coprecipitation for use in the magnetic separation of DNA (deoxyribonucleic acid). The blocking temperature of nanoparticles was studied by the methods of Mossbauer spectroscopy, ferromagnetic resonance, and using magnetometric measurements. The blocking temperature calculated from the temperature dependence of the coercive force was ~ 200 K. The calculation of the blocking temperature from the relaxation time obtained using Mossbauer spectroscopy gave a value of ~ 450 K. The blocking temperature obtained using ferromagnetic resonance was ~ 910 K. The relationship between the obtained blocking temperatures is in good agreement with the Neel-Brown formula. The constants of effective and surface anisotropy were determined by the method of ferromagnetic resonance. Isolation of DNA from blood using prepared particles and separation in a permanent magnet field revealed sufficient productivity, high speed, and the “chemical delicacy” of this approach.

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Держатели документа:
Krasnoyarsk Scientific Center, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Ural Federal University, Ekaterinburg, Russian Federation

Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Gorbenko, A. S.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Olkhovskiy, I. A.; Neznakhin, D. S.; Tyumentseva, A. V.; Bayukov, O. A.; Баюков, Олег Артемьевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович
}
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20.

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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