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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1609</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>СПЕКТРОСКОПИЯ В БИОЛОГИИ И МЕДИЦИНЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SPECTROSCOPY IN BIOLOGY AND MEDICINE</subject></subj-group></article-categories><title-group><article-title>Количественное определение наночастиц диоксида церия в окисленной бактериальной целлюлозе спектрофотометрическим методом</article-title><trans-title-group xml:lang="en"><trans-title>Quantitative Determination of Cerium Dioxide Nanoparticles in Oxidized Bacterial Cellulose by Spectrophotometric Method</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>Кузич</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzich</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">an-kuzich@mail.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><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>УНП РУП “УНИТЕХПРОМ БГУ”</institution></aff><aff xml:lang="en"><institution>Educational Scientific and Production Republican Unitary Enterprise “UNITEHPROM BSU”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>01</day><month>08</month><year>2024</year></pub-date><volume>91</volume><issue>4</issue><fpage>546</fpage><lpage>552</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузич А.А., Бычковский П.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кузич А.А., Бычковский П.М.</copyright-holder><copyright-holder xml:lang="en">Kuzich A.A., Bychkovsky P.M.</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://zhps.ejournal.by/jour/article/view/1609">https://zhps.ejournal.by/jour/article/view/1609</self-uri><abstract><p>Получены образцы окисленной бактериальной целлюлозы с различным содержанием карбоксильных групп, определены обменная емкость и степень набухания образцов. Разработана методика количественного определения наночастиц CeO2 спектрофотометрическим методом. Изучена иммобилизация наночастиц CeO2 на окисленной бактериальной целлюлозе. Установлена полуэмпирическая кинетическая модель, описывающая высвобождение наночастиц из матрицы.</p></abstract><trans-abstract xml:lang="en"><p>Samples of oxidized bacterial cellulose with different content of carboxyl groups have been obtained, the exchange capacity and degree of swelling of the samples have been determined. A technique has been developed for the quantitative determination of CeO2 nanoparticles using the spectrophotometric method. The immobilization of CeO2 nanoparticles on oxidized bacterial cellulose has been studied. A semi-empirical kinetic model describing the release of nanoparticles from the matrix is established.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>окисленная бактериальная целлюлоза</kwd><kwd>диоксид азота</kwd><kwd>биосовместимость</kwd><kwd>биоразлагаемость</kwd><kwd>наночастица</kwd><kwd>диоксид церия</kwd><kwd>высвобождение лекарства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>oxidized bacterial cellulose</kwd><kwd>nitrogen dioxide</kwd><kwd>biocompatibility</kwd><kwd>biodegradability</kwd><kwd>nanoparticle</kwd><kwd>cerium dioxide</kwd><kwd>drug release</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">C. I. Günter, H. G. Machens. Wound Medicine, 4 (2014) 9—12</mixed-citation><mixed-citation xml:lang="en">C. I. Günter, H. G. Machens. 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