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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2021-16-5-414-425</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-1751</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY AND TECHNOLOGY OF MEDICINAL COMPOUNDS AND BIOLOGICALLY ACTIVE SUBSTANCES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И ТЕХНОЛОГИЯ ЛЕКАРСТВЕННЫХ ПРЕПАРАТОВ И БИОЛОГИЧЕСКИ АКТИВНЫХ СОЕДИНЕНИЙ</subject></subj-group></article-categories><title-group><article-title>Characterization of iron-doped crystalline silicon nanoparticles and their modification with citrate anions for in vivo applications</article-title><trans-title-group xml:lang="ru"><trans-title>Характеризация наночастиц кристаллического кремния, легированного железом, и их модификация цитрат-анионами для использования in vivo</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4120-837X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рожков</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozhkov</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p> аспирант кафедры аналитической химии им. И.П. Алимарина </p><p>19571, Россия, Москва, пр-т Вернадского, д. 86 </p></bio><bio xml:lang="en"><p> Postgraduate Student, I.P. Alimarin Department of Analytical Chemistry</p><p>86, Vernadskogo pr., Moscow, 119571, Russia</p></bio><email xlink:type="simple">rokirill58@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9782-0811</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ягудаева</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Yagudaeva</surname><given-names>E. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p> к.х.н., старший научный сотрудник </p><p>117997, Россия, Москва, ул. Миклухо-Маклая, д.16/10 </p></bio><bio xml:lang="en"><p> Cand. Sci. (Chem.), Senior Researcher</p><p>Miklukho-Maklaya ul., 16/10, Moscow, 117997, Russia</p></bio><email xlink:type="simple">elena-yagudaeva@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0846-4670</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сизова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> к.х.н., научный сотрудник </p><p>117997, Россия, Москва, ул. Миклухо-Маклая, д.16/10 </p></bio><bio xml:lang="en"><p> Cand. Sci. (Chem.), Researcher</p><p>Miklukho-Maklaya ul., 16/10, Moscow, 117997, Russia</p></bio><email xlink:type="simple">sv.sizova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8578-1683</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lazov</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> ассистент кафедры аналитической химии им. И.П. Алимарина</p><p>119571, Россия, Москва, пр-т Вернадского, д. 86 </p></bio><bio xml:lang="en"><p> Assistant, I.P. Alimarin Department of Analytical Chemistry</p><p>86, Vernadskogo pr., Moscow 119571, Russia</p></bio><email xlink:type="simple">lazovm@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9744-952X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> к.б.н., научный сотрудник </p><p>117997, Россия, Москва, ул. Миклухо-Маклая, д.16/10 </p></bio><bio xml:lang="en"><p> Cand. Sci. (Biol.), Researcher</p><p>Miklukho-Maklaya ul., 16/10, Moscow, 117997, Russia</p></bio><email xlink:type="simple">smirnova.evgeniya@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3429-0272</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зубов</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubov</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p> д.х.н., профессор, кафедра химии и технологии высокомолекулярных соединений им. С.С. Медведева; Главный научный сотрудник </p><p>119571, Россия, Москва, пр-т Вернадского, д. 86 </p><p>117997, Россия, Москва, ул. Миклухо-Маклая, д.16/10 </p></bio><bio xml:lang="en"><p> Dr. Sci. (Chem.), Professor, S.S. Medvedev Department of Chemistry and Technology of HighMolecular Compounds, Principal Researcher</p><p>86, Vernadskogo pr., Moscow, 119571, Russia </p><p>Miklukho-Maklaya ul., 16/10, Moscow, 117997, Russia</p></bio><email xlink:type="simple">zubov@mirea.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1532-377X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ищенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ischenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> д.х.н., профессор, заведующий кафедрой аналитической химии им. И.П. Алимарина </p><p>119571, Россия, Москва, пр-т Вернадского, д. 86 </p></bio><bio xml:lang="en"><p> Dr. Sci. (Chem.), Professor, I.P. Alimarin Department of Analytical Chemistry</p><p>86, Vernadskogo pr., Moscow, 119571, Russia</p></bio><email xlink:type="simple">aischenko@yasenevo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет (Институт тонких химических технологий им. М.В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University (M.V. Lomonosov Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет (Институт тонких химических технологий им. М.В. Ломоносова);&#13;
Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University (M.V. Lomonosov Institute of Fine Chemical Technologies);&#13;
Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2021</year></pub-date><volume>16</volume><issue>5</issue><fpage>414</fpage><lpage>425</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Rozhkov K.I., Yagudaeva E.Y., Sizova S.V., Lazov M.A., Smirnova E.V., Zubov V.P., Ischenko A.A., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Рожков К.И., Ягудаева Е.Ю., Сизова С.В., Лазов М.А., Смирнова Е.В., Зубов В.П., Ищенко А.А.</copyright-holder><copyright-holder xml:lang="en">Rozhkov K.I., Yagudaeva E.Y., Sizova S.V., Lazov M.A., Smirnova E.V., Zubov V.P., Ischenko A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.finechem-mirea.ru/jour/article/view/1751">https://www.finechem-mirea.ru/jour/article/view/1751</self-uri><abstract><p>Objectives. This paper presents data on the development and study of the structural properties of iron-doped crystalline silicon (nc-Si/SiOx/Fe) nanoparticles obtained using the plasma-chemical method for application in magnetic resonance imaging diagnostics and treatment of oncological diseases. This work aimed to use a variety of analytical methods to study the structural properties of nc-Si/SiOx/Fe and their colloidal stabilization with citrate anions for in vivo applications.Methods. Silicon nanoparticles obtained via the plasma-chemical synthesis method were characterized by laser spark emission spectroscopy, atomic emission spectroscopy, Fouriertransform infrared spectroscopy, and X-ray photoelectron spectroscopy. The hydrodynamic diameter of the nanoparticles was estimated using dynamic light scattering. The toxicity of the nanoparticles was investigated using a colorimetric MTT test for the cell metabolic activity. Elemental iron with different Fe/Si atomic ratios was added to the feedstock during loading.Results. The particles were shown to have a large silicon core covered by a relatively thin layer of intermediate oxides (interface) and an amorphous oxide shell, which is silicon oxide with different oxidation states SiOx (0 ≤ x ≤ 2). The samples had an iron content of 0.8–1.8 at %. Colloidal solutions of the nanoparticles stabilized by citrate anions were obtained and characterized. According to the analysis of the cytotoxicity of the modified nanosilicon particles using monoclonal K562 human erythroleukemia cells, no toxicity was found for cells in culture at particle concentrations of up to 5 µg/mL.Conclusions. Since the obtained modified particles are nontoxic, they can be used in in vivo theranostic applications.</p></abstract><trans-abstract xml:lang="ru"><p>Цели. В работе приводятся данные по разработке и изучению структурных свойств полученных плазмохимическим методом наночастиц кремния nc-Si/SiOx/Fe, легированных железом. Цель работы – исследование свойств наночастиц кремния, легированных железом, комплексом аналитических методов и их стабилизация цитрат-анионами для применения в диагностике методом магнитно-резонансной томографии и лечении онкологических заболеваний.Методы. Наночастицы кремния, полученные плазмохимическим методом синтеза, были охарактеризованы лазерно-искровым эмиссионным методом, методом атомной эмиссионной спектроскопии, Фурье-ИК-спектроскопией, рентгеновской фотоэлектронной спектроскопией. Гидродинамический диаметр наночастиц оценивали методом динамического светорассеяния. Исследование токсичности наночастиц проводили с помощью колориметрического МТТ теста на метаболическую активность клеток. В исходное сырье при загрузке добавляли элементарное железо с разным атомным соотношением Fe/Si.Результаты. Было показано, что частица имеет кремниевое ядро с аморфной оксидной оболочкой, представляющей собой оксиды кремния с разной степенью окисления SiO x (0 ≤ x ≤ 2). Содержание железа в образцах составило от 0.8 до 1.8 ат. %. Были получены и охарактеризованы коллоидные растворы наночастиц, стабилизированные цитрат-анионами. Анализ цитотоксичности модифицированных частиц нанокремния с использованием моноклонизированных клеток эритролейкоза человека К562 показал отсутствие токсичности для клеток в культуре при концентрации частиц до 5 мкг/мл.Выводы. Полученные модифицированные частицы не обладают токсичностью, поэтому их можно рекомендовать для использования в in vivo приложениях для тераностики</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастицы кремния</kwd><kwd>железо</kwd><kwd>цитрат-анионы</kwd><kwd>рентгеновская фотоэлектронная спектроскопия</kwd><kwd>Фурье-инфракрасная спектроскопия</kwd><kwd>цитотоксичность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>silicon nanoparticles</kwd><kwd>iron</kwd><kwd>magnetic resonance imaging</kwd><kwd>citrate anions</kwd><kwd>X-ray photoelectron spectroscopy</kwd><kwd>Fourier-transform infrared spectroscopy</kwd><kwd>cytotoxicity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность Малахову С.Н. за проведение исследований методом ИК-спектроскопии, выполненных с использованием оборудования ресурсного центра «Оптика» НИЦ «Курчатовский институт».</funding-statement><funding-statement xml:lang="en">The authors are grateful to S.N. Malakhov for carrying out research by the method of IR spectroscopy using the equipment of the resource center “Optics” of the National Research Center “Kurchatov Institute.”</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Elbeshlawi I., AbdelBaki M.S. Safety of gadolinium administration in children. Pediatr. Neurol. 2018;86:27–32. https://doi.org/10.1016/j.pediatrneurol.2018.07.010</mixed-citation><mixed-citation xml:lang="en">Elbeshlawi I., AbdelBaki M.S. Safety of gadolinium administration in children. Pediatr. Neurol. 2018;86:27–32. https://doi.org/10.1016/j.pediatrneurol.2018.07.010</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Franckenberg S., Berger F., Schaerli S., Ampanozi G., Thali M. 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