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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2025-61-1-7-23</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-933</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="ru"><subject>ФИЗИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Влияние температуры, микроструктуры и внутримолекулярной динамики фибриллярного коллагена на апатитогенез в скаффолдах</article-title><trans-title-group xml:lang="en"><trans-title>Effect of temperature, microstructure and intramolecular dynamics of fibrillary collagen on apatitogenesis in scaffolds</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гайдаш</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaidash</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гайдаш Александр Александрович − доктор медицинских наук, профессор, ведущий научный сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Gaidash Alexander A. − D. Sc. (Medicine), Professor, Leading Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">aljack880@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулак</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulak</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулак Анатолий Иосифович − академик, доктор химических наук, профессор, директор</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Kulak Anatoly I. − Academician, D. Sc. (Chemistry), Professor, Director</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">kulak@igic.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крутько</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Krut’ko</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крутько Валентина Константиновна − кандидат химических наук, доцент, заведующий лабораторией</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Krut’ko Valentina K. − Ph. D. (Chemistry), Associate Professor, Head of the Laboratory</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">tsuber@igic.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мусская</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Musskaya</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мусская Ольга Николаевна − кандидат химических наук, доцент, ведущий научный сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Musskaya Olga N. − Ph. D. (Chemistry), Associate Professor, Leading Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">musskaja@igic.bas-net.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кульчицкий</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulchitsky</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кульчицкий Владимир Адамович − академик, доктор медицинских наук, профессор</p><p> </p></bio><bio xml:lang="en"><p>Kulchitsky Vladimir A. − Academician, D. Sc. (Medicine), Professor</p><p> </p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скроцкая</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Skrotskaya</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скроцкая Катарина Владимировна − инженер</p><p>ул. Ленинградская, 14, 220030</p></bio><bio xml:lang="en"><p>Skrotskaya Katarina V. − Engineer</p><p>14, Leningradskaya Str., 220030, Minsk</p></bio><email xlink:type="simple">Katarinaskr@gmail.com</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кульбицкая</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulbitskaya</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кульбицкая Людмила Викторовна − старший научный сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Kulbitskaya Lyudmila V. − Senior Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">lyu1401@yandex.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крутько</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Krutsko</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крутько Евгений Николаевич − старший научный сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Krutsko Evgeny N. − Senior Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">ev_krutsko@igic.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт общей и неорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт общей и неорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Ge- neral and Inorganic Chemistry of the National Academy of Scien- ces of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт физиологии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Научно-исследовательский институт физико-химических проблем  Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>Research Institute of Physical and Chemical Problems of the Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>02</month><year>2025</year></pub-date><volume>61</volume><issue>1</issue><fpage>7</fpage><lpage>23</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гайдаш А.А., Кулак А.И., Крутько В.К., Мусская О.Н., Кульчицкий В.А., Скроцкая К.В., Кульбицкая Л.В., Крутько Е.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Гайдаш А.А., Кулак А.И., Крутько В.К., Мусская О.Н., Кульчицкий В.А., Скроцкая К.В., Кульбицкая Л.В., Крутько Е.Н.</copyright-holder><copyright-holder xml:lang="en">Gaidash A.A., Kulak A.I., Krut’ko V.K., Musskaya O.N., Kulchitsky V.A., Skrotskaya K.V., Kulbitskaya L.V., Krutsko E.N.</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://vestichem.belnauka.by/jour/article/view/933">https://vestichem.belnauka.by/jour/article/view/933</self-uri><abstract><p>Изучены структура и физико-химические свойства скаффолдов, полученных из коллагенового геля с использованием соединительнотканных оболочек паравертебральных сухожилий крыс Вистар. Скаффолды получали при 37 °C (пленчатый) и 6 °C (объемный). При отвердевании в каркасах формируются клубковая и внеклубковая фракции, что характерно для коллагеновых гелей, полученных из сухожильных мембран. Соотношение объемов фракций определяют структура пор и кинкинг коллагеновых фибрилл. В пленчатом скаффолде формируются поры закрытого типа с ослабленным кинкингом, что приводит к доминированию внеклубкового каркаса. В объемном скаффолде интенсифицируется кинкинг, формируются поры открытого типа, что определяет доминирование клубкового каркаса. Морфогенетическими факторами формирования доминантных фракций являются упорядочение и повышенная жесткость, субдоминантных – хаотизация и эластизация коллагеновых каркасов. Фибриллярный коллаген подвергается экстра- и интрафибриллярной минерализации in situ со структурированием кальцийфосфатов по апатитовому направлению. Микромеханические свойства скаффолдов индуцируют экстрафибриллярный синтез и определяют направление апатитогенеза: на жестких матрицах синтезируется стехиометрический гидроксиапатит, на рыхлых – карбонат-гидроксиапатиты. Интрафибриллярный синтез в сочетании с температурой определяют степень кристалличности, состав катионных и анионных подрешеток гидроксиапатитов. На матрицах фибриллярного коллагена с упрочненными связями пептидных и карбонатных групп формируется стехиометрический гидрокси- апатит, степень кристалличности которого модерируется температурой: чем выше температура синтеза, тем выше степень кристалличности и насыщенность кальцием. На матрицах с ослабленными пептидными и C−O связями формируются карбонат-гидроксиапатиты, в которых замещения в анионной подрешетке регулируются температурой: при повышенной температуре CO32− группы замещают преимущественно OH−, при пониженной – PO43− группы.</p></abstract><trans-abstract xml:lang="en"><p>The structure and physicochemical properties of scaffolds obtained from collagen gel using connective tissue sheaths of paravertebral tendons of Wistar rats were studied. The scaffolds were obtained at 37 °C (filmy) and 6 °C (volumetric). During hardening, the scaffolds form globular and extraglomerular fractions, which is typical for collagen gels obtained from tendon membranes. The ratio of the fraction volumes is determined by the pore structure and kinking of collagen fibrils. In the filmy scaffold, closed-type pores with weakened kinking are formed, which leads to the dominance of the extraglomerular scaffold. In the volumetric scaffold, kinking is intensified, open-type pores are formed, which determines the dominance of the globular scaffold. The morphogenetic factors of dominant fraction formation are ordering and increased rigidity, while the subdominant fractions are chaotization and elasticization of collagen frameworks. Fibrillar collagen undergoes extra- and intrafibrillar mineralization in situ with structuring of calcium phosphates along the apatite direction. The micromechanical properties of scaffolds induce extrafibrillar synthesis and determine the direction of apatitogenesis: stoichiometric hydroxyapatite is synthesized on rigid matrices, while carbonate-hydroxyapatites are synthesized on loose ones. Intrafibrillar synthesis in combination with temperature determines the degree of crystallinity and the composition of cationic and anionic sublattices of hydroxyapatites. On matrices of fibrillar collagen with strengthened bonds of peptide and carbonate groups, stoichiometric hydroxyapatite is formed, the degree of crystallinity of which is moderated by temperature − the higher the synthesis temperature, the higher the degree of crystallinity and saturation with calcium would be. On matrices with weakened peptide and C−O bonds, carbonate-hydroxyapatites are formed, in which substitutions in the anionic sublattice are regulated by temperature: at elevated temperatures, CO32– groups predominantly replace OH–, and at lower temperatures, PO43– groups.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коллаген-апатитовые скаффолды</kwd><kwd>апатитогенез</kwd><kwd>стехиометрический гидроксиапатит</kwd><kwd>карбонат-гидроксиапатит</kwd><kwd>структурирование кальцийфосфатов</kwd><kwd>фибриллярный коллаген</kwd><kwd>минерализация in situ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>collagen-apatite scaffolds</kwd><kwd>apatitogenesis</kwd><kwd>stoichiometric hydroxyapatite</kwd><kwd>carbonate-hydroxyapatite</kwd><kwd>structuring of calcium phosphates</kwd><kwd>fibrillar collagen</kwd><kwd>mineralization in situ</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность кандидату биологических наук, руководителю группы тканевых технологий Института цитологи РАН Ю. А. На- щекиной за содействие в получении коллагенового геля. Работа выполнена при финансовой поддержке ГПНИ «Хи- мические процессы, реагенты и технологии, биорегуляторы и биооргхимия» (задание 2.1.04.7).</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to PhD, Head of the Tissue Technologies Group of the Institute of Cytology of the Russian Academy of Sciences, Yu. A. Nashchekina for assistance in obtaining collagen gel. The work was supported by the SPSR «Chemical processes, reagents and technologies, bioregulators and bioorganic chemistry» (task 2.1.04.7).</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">Sherman, S. In vitro and in vivo evaluation of carbonate apatite-collagen scaffolds with some cytokines for bone tissue engineering / S. Sherman, D. A. 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