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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2023-13-4-469-475</article-id><article-id custom-type="edn" pub-id-type="custom">CRZFTJ</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-1116</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>ХИМИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Новые термочувствительные смарт-биоматериалы на основе коллагена, модифицированного винилглицидиловым эфиром этиленгликоля, для 4D-биопечати</article-title><trans-title-group xml:lang="en"><trans-title>New smart thermosensitive biomaterials on the basis of collagen modified by ethylene glycol vinyl glycidyl ether for 4D bioprinting</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2723-6569</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фарион</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Farion</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фарион Иван Александрович, к.х.н., научный сотрудник</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p><p> </p></bio><bio xml:lang="en"><p>Ivan A. Farion, Cand. Sci. (Chemistry), Researcher</p><p>6, Sakhyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">fariv@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/0000-0002-5216-685X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Буинов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Buinov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Буинов Александр Станиславович, инженер</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p><p> </p></bio><bio xml:lang="en"><p>Aleksandr S. Buinov, Engineer </p><p>6, Sakhyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">buinov.aleksandr.96@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/0009-0007-9260-7625</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никишина</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikishina</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никишина Алена Николаевна, инженер</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Alena N. Nikishina, Engineer</p><p>6, Sakhyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">alenaniknikishina@yandex.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/0000-0003-3104-3591</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурдуковский</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Burdukovskii</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бурдуковский Виталий Федорович, д.х.н., доцент, заместитель директора по научной работе</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Vitalii F. Burdukovskii, Dr. Sci. (Chemistry), Associate Professor, Deputy Director for Research</p><p>6, Sakhyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">burdvit@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Байкальский институт природопользования СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Baikal Institute of Nature Management SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2023</year></pub-date><volume>13</volume><issue>4</issue><fpage>469</fpage><lpage>475</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фарион И.А., Буинов А.С., Никишина А.Н., Бурдуковский В.Ф., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Фарион И.А., Буинов А.С., Никишина А.Н., Бурдуковский В.Ф.</copyright-holder><copyright-holder xml:lang="en">Farion I.A., Buinov A.S., Nikishina A.N., Burdukovskii V.F.</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://vuzbiochemi.elpub.ru/jour/article/view/1116">https://vuzbiochemi.elpub.ru/jour/article/view/1116</self-uri><abstract><p>Новизна и цель работы заключались в том, что реакционноспособный в условиях ультрафиолетового излучения коллаген впервые получен функционализацией боковых аминогрупп лизиновых фрагментов ненасыщенным винилглицидиловым эфиром этиленгликоля («винилоксом»), содержащим, аналогично глицидилметакрилату, эпоксидную группу. Особенностью данного подхода является то, что наличие этой группы с умеренной реакционной способностью обеспечивает избирательное протекание реакции прививки по боковым аминогруппам коллагена в нейтральной или слабощелочной среде и исключает характерное для аналога – глицидилметакрилата – образование побочных продуктов реакции Михаэля и гидролиза. По данным фотометрии установлено, что модификация в слабоосновном водном растворе при комнатной температуре и значительном избытке «винилокса» позволяет достичь степени прививки 23,4%. Впервые при добавлении полиэтиленгликоль диакрилата, поли(N-изопропилакриламида) к слабокислому водному раствору коллагена получены пленкообразующие композиты, способные к фотоотверждению. Наличие винилоксидных групп позволило обеспечить удовлетворительные механические характеристики пленок в результате инициируемого ультрафиолетовым излучением сшивания коллагена, а присутствие поли(N-изопропилакриламида) – гидрофильно-гидрофобную смарт-чувствительность. Пленки обладают развитой фибриллярной структурой, а размеры пустот позволяют обеспечить свободное перемещение питательных и прочих соединений. Согласно данным МТТ-теста, пленки не выделяют цитотоксических компонентов и сохраняют метаболическую активность стволовых клеток, обеспечивая достаточную их плотность на своей поверхности. Все вышеперечисленное определяет перспективность использования пленок как в качестве искусственного внеклеточного матрикса – скаффолда, так и в виде термочувствительных смарт-подложек для выращивания стволовых клеток на их поверхностях для последующей биопечати с лазерным переносом.</p></abstract><trans-abstract xml:lang="en"><p>In this study, collagen reactive under UV radiation was obtained for the first time via the functionalization of the side amino groups of lysine moieties with unsaturated ethylene glycol vinyl glycidyl ether (Vinylox) containing, similarly to glycidyl methacrylate, an epoxy group. The presence of this group having a moderate reactivity provides selective grafting of the side amino groups of collagen in a neutral or weakly alkaline medium and excludes the formation of by-products in the Michael reaction and hydrolysis characteristic of the analog—glycidyl methacrylate. Photometry data indicate that with modification in a weakly basic aqueous solution at room temperature and a significant excess of Vinylox, a grafting degree of 23.4% can be achieved. For the first time, film-forming composites capable of photocuring were obtained by adding polyethylene glycol diacrylate and poly(N-isopropylacrylamide) to a weakly acidic aqueous solution of collagen. The presence of vinyl oxide groups provided satisfactory mechanical characteristics of films as the result of UV-initiated collagen cross-linking, while the presence of poly(N-isopropylacrylamide) ensured hydrophilic-hydrophobic smart sensitivity. The films have a well-developed fibrillar structure, and the size of voids enables the free movement of nutrients and other compounds. According to MTT assay data, the films release no cytotoxic components and maintain the metabolic activity of stem cells, providing sufficient density of stem cells on their surface. All of the factors mentioned above determine the prospects of using the films both as an artificial extracellular matrix scaffold and as smart thermosensitive scaffolds used to grow stem cells on their surfaces for subsequent laser transfer bioprinting.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коллаген</kwd><kwd>поли(N-изопропилакриламид)</kwd><kwd>винилглицидиловый эфир этиленгликоля</kwd><kwd>модификация биополимеров</kwd><kwd>регенеративная медицина</kwd></kwd-group><kwd-group xml:lang="en"><kwd>collagen</kwd><kwd>poly(N-isopropylacrylamide)</kwd><kwd>ethylene glycol vinyl glycidyl ether</kwd><kwd>biopolymer modification</kwd><kwd>regenerative medicine</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта Российского научного фонда № 22-23-20057.</funding-statement><funding-statement xml:lang="en">The Russian Science Foundation (grant no. 22-23-20057) supported the work.</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">Blaeser A., Heilshorn S.C., Campos D.F.D. 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