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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 custom-type="elpub" pub-id-type="custom">vestich-157</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>ХИМИЯ ВЫСОКОМОЛЕКУЛЯРНЫХ СОЕДИНЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POLYMER CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Синтез рH-чувствительных гидрогелей модифицированного декстрана с фосфорнокислыми и карбаматными группами</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis of pH-sensitive hydrogels of modified dextran with phosphate and carbamate groups</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>Соломевич</surname><given-names>С. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Solomevich</surname><given-names>S. O.</given-names></name></name-alternatives><email xlink:type="simple">sergejsolomevich@yandex.ru</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>Бычковский</surname><given-names>П. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bychkovsky</surname><given-names>P. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Юркштович</surname><given-names>Т. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurkshtovich</surname><given-names>T. L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Голуб</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Golub</surname><given-names>N. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Алиновская</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alinovskaya</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Костерова</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosterova</surname><given-names>R. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт физико-химических проблем Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>Research Institute for Physical Chemical Problems of the Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>4</issue><fpage>68</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соломевич С.О., Бычковский П.М., Юркштович Т.Л., Голуб Н.В., Алиновская В.А., Костерова Р.И., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Соломевич С.О., Бычковский П.М., Юркштович Т.Л., Голуб Н.В., Алиновская В.А., Костерова Р.И.</copyright-holder><copyright-holder xml:lang="en">Solomevich S.O., Bychkovsky P.M., Yurkshtovich T.L., Golub N.V., Alinovskaya V.A., Kosterova R.I.</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/157">https://vestichem.belnauka.by/jour/article/view/157</self-uri><abstract><p>В системе декстран-ортофосфорная кислота-мочевина синтезированы гелеобразующие смешанные эфиры дек-страна с фосфорнокислыми и карбаматными группами. Изучено влияние продолжительности реакции на выход гель-фракции гидрогелей, их функциональный состав и степень равновесного набухания. Набухание гидрогелей изучено в широком диапазоне pH. Полученные гидрогели могут быть использованы в качестве систем для доставки лекарственных веществ.</p></abstract><trans-abstract xml:lang="en"><p>The synthesis of gelling dextran esters with phosphate and carbamate groups in the dextran - phosphoric acid - urea system has been described. The effect of reaction time on hydrogels' gel fraction yield, their functional composition and the degree of equilibrium swelling has been studied. Swelling of hydrogels in the wide range of pH has been studied. The obtained hydrogels may be used as drugs delivery systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидрогель</kwd><kwd>декстран</kwd><kwd>набухание</kwd><kwd>pH-чувствительные гидрогели</kwd><kwd>hydrogel</kwd><kwd>dextran</kwd><kwd>swelling</kwd><kwd>pH-sensitive hydrogels</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hoare, T. R. Hydrogels in drug delivery: progress and challenges / T. R. Hoare, D. S. Kohane // Polymer. - 2008. -№ 49. - P. 1993-2007.</mixed-citation><mixed-citation xml:lang="en">Hoare, T. R. Hydrogels in drug delivery: progress and challenges / T. R. Hoare, D. S. Kohane // Polymer. - 2008. -№ 49. - P. 1993-2007.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Hoffman, A. S. Hydrogels for biomedical applications / A. S. 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