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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">N.N. Priorov Journal of Traumatology and Orthopedics</journal-id><journal-title-group><journal-title xml:lang="en">N.N. Priorov Journal of Traumatology and Orthopedics</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник травматологии и ортопедии им. Н.Н. Приорова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8678</issn><issn publication-format="electronic">2658-6738</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">42268</article-id><article-id pub-id-type="doi">10.17816/vto202027352-59</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original study articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Calcium phosphate and composite materials functionalization of bioactive agents for its target delivery to the bone</article-title><trans-title-group xml:lang="ru"><trans-title>Функционализация кальцийфосфатных и композиционных материалов биологически активными соединениями для адресной доставки в костную ткань</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4331-239X</contrib-id><contrib-id contrib-id-type="scopus">56736479200</contrib-id><contrib-id contrib-id-type="spin">5228-5640</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuvshinova</surname><given-names>Ekaterina A.</given-names></name><name xml:lang="ru"><surname>Кувшинова</surname><given-names>Екатерина Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>junior researcher</p></bio><bio xml:lang="ru"><p>младший научный сотрудник</p></bio><email>beliay@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrakova</surname><given-names>Natalia V.</given-names></name><name xml:lang="ru"><surname>Петракова</surname><given-names>Наталия Валерьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of sciences, researcher</p></bio><bio xml:lang="ru"><p>канд. техн. наук, научный сотрудник</p></bio><email>petrakova.nv@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sergeeva</surname><given-names>Natalya S.</given-names></name><name xml:lang="ru"><surname>Сергеева</surname><given-names>Наталья Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>doctor of biological sciences, professor, head of the department</p></bio><bio xml:lang="ru"><p>д-р биол. наук, профессор, руководитель отделения</p></bio><email>prognoz.06@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sviridova</surname><given-names>Irina K.</given-names></name><name xml:lang="ru"><surname>Свиридова</surname><given-names>Ирина Константиновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of biological sciences, leading researcher</p></bio><bio xml:lang="ru"><p>канд. биол. наук, ведущий научный сотрудник</p></bio><email>prognoz.06@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kirsanova</surname><given-names>Valentina A.</given-names></name><name xml:lang="ru"><surname>Кирсанова</surname><given-names>Валентина Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of biological sciences, researcher</p></bio><bio xml:lang="ru"><p>канд. биол. наук, научный сотрудник</p></bio><email>prognoz.06@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ahmedova</surname><given-names>Suraya A.</given-names></name><name xml:lang="ru"><surname>Ахмедова</surname><given-names>Сурая Абдулаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of biological sciences, researcher</p></bio><bio xml:lang="ru"><p>канд. биол. наук, научный сотрудник</p></bio><email>prognoz.06@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karalkin</surname><given-names>Pavel A.</given-names></name><name xml:lang="ru"><surname>Каралкин</surname><given-names>Павел Анатольевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of biological sciences, senior researcher</p></bio><bio xml:lang="ru"><p>канд. биол. наук, старший научный сотрудник</p></bio><email>pkaralkin@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Teterina</surname><given-names>Anastasia Y.</given-names></name><name xml:lang="ru"><surname>Тетерина</surname><given-names>Анастасия Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of technical sciences, junior researcher</p></bio><bio xml:lang="ru"><p>канд. технич. наук, младший научный сотрудник</p></bio><email>kinskusha@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Komlev</surname><given-names>Vladimir S.</given-names></name><name xml:lang="ru"><surname>Комлев</surname><given-names>Владимир Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, corresponding member of the Russian Academy of Sciences, director</p></bio><bio xml:lang="ru"><p>д-р технич. наук, чл.-кор. РАН</p></bio><email>komlev@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">P.A.Herzen Moscow Oncology Research Institute — Branch of the National Medical Research Radiological Centre of the Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт имени П.А. Герцена — филиал Федерального государственного бюджетного учреждения «Национальный медицинский исследовательский центр радиологии» Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institutution of Russian Academy of Science A.A. Baikov Institute of Metallurgy and Material Science</institution></aff><aff><institution xml:lang="ru">Федеральное государственное бюджетное учреждение науки «Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-26" publication-format="electronic"><day>26</day><month>12</month><year>2020</year></pub-date><volume>27</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>52</fpage><lpage>59</lpage><history><date date-type="received" iso-8601-date="2020-08-05"><day>05</day><month>08</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-08-25"><day>25</day><month>08</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, ООО "Эко-Вектор"</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2021-09-29"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8678/article/view/42268">https://journals.eco-vector.com/0869-8678/article/view/42268</self-uri><abstract xml:lang="en"><p><bold>Aim of the study.</bold> The development of the method of octacalcium phosphate (OCP) and mineral-polymer composite material functionalization with biological agents (human platelet lysate (PL) growth factors and antibiotic vancomycin) by the biomimetic coprecipitation principle technique.</p> <p><bold>Materials and methods.</bold> The OCP and the mineral-polymer composite matrices (sodium alginate / gelatin / OCP) functionalization was obtained by biomimetic coprecipitation of calcium phosphates and the bioactive molecules on their surface. The materials structure was examined by electron microscopy. The functionalization efficiency was determined by measurement of the incorporated compounds in solution, as well as by analysis of their release over the 8 days. The antimicrobial activity of vancomycin functionalized samples was evaluated by in vitro disk diffusion method against the Staphylococcus aureus strain.</p> <p><bold>Results.</bold> The evaluation of incorporated molecules release showed that the OCP functionalization with vancomycin is more effective than PL. The antibiotic release had continued for three days, while PL growth factors — only for 30 minutes. The incorporated into a composite matrix vancomycin was completely released within 24 h. In vitro study of the functionalized composite samples showed growth delay of the Staphylococcus aureus strain in dependence on antibiotic content.</p> <p><bold>Conclusion.</bold> The developed method of drug incorporation during biomimetic precipitation allowed to create target delivery system which transfer antibiotic to the bone defect.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования.</bold> Разработка способа функционализации биоматериалов: октакальциевого фосфата (ОКФ) и минерал-полимерного композиционного материала (альгинат натрия / желатин / ОКФ), биоактивными соединениями лизата тромбоцитов (ЛТ) человека и ванкомицином методом биомиметического осаждения.</p> <p><bold>Материалы и методы. </bold>Функционализацию ОКФ в виде гранул и минерал-полимерного композиционного матрикса (альгинат натрия / желатин / ОКФ) осуществляли методом инкорпорации в процессе биомиметического осаждения фосфатов кальция на их поверхность. Поверхность материалов исследовали с помощью сканирующей электронной микроскопии, эффективность функционализации определяли по изменению концентрации инкорпорируемых соединений в растворе, а также с помощью изучения динамики их высвобождения в течение 8 сут спектрофотометрическим и иммуноферментным методами. Антимикробную активность функционализированных ванкомицином образцов оценивали in vitro диско-диффузионным методом в отношении дикого штамма Staphylococcus aureus.</p> <p><bold>Результаты.</bold> Исследование динамики высвобождения инкорпорированных соединений показало, что функционализация ОКФ ванкомицином более эффективна, чем ЛТ. Выход антибиотика сохранялся в течение 3 сут, тогда как факторов роста ЛТ — в течение 30 мин. При инкорпорации антибиотика в композиционный матрикс полное высвобождение препарата происходило за 24 ч. В исследовании in vitro установлено, что материалы вызывают задержку роста штамма Staphylococcus aureus, выраженность которой зависела от содержания антибиотика в экспериментальных образцах.</p> <p><bold>Заключение.</bold> С помощью разработанного метода инкорпорации лекарственных препаратов в процессе биомиметического осаждения был получен композиционный состав с антибактериальными свойствами, позволяющий осуществить адресную доставку ванкомицина непосредственно в зону костного дефекта.</p></trans-abstract><kwd-group xml:lang="en"><kwd>functionalization</kwd><kwd>biomimetic precipitation</kwd><kwd>octacalcium phosphate</kwd><kwd>mineral-polymer composite</kwd><kwd>growth factors</kwd><kwd>vancomycin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>функционализация</kwd><kwd>биомиметическое осаждение</kwd><kwd>октакальциевый фосфат</kwd><kwd>минерал-полимерный композит</kwd><kwd>факторы роста</kwd><kwd>ванкомицин</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">РФФИ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Foundation for Basic Research (RFBR)</institution></institution-wrap></funding-source><award-id>№ 18-29-11052</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Баринов С.М., Комлев В.С. 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