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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-263</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>ПОЛУЧЕНИЕ ЧАСТИЦ ДИОКСИДА ЦЕРИЯ  И ИХ АНТИОКСИДАНТНАЯ АКТИВНОСТЬ</article-title><trans-title-group xml:lang="en"><trans-title>PREPARATION OF CERIA PARTICLES AND THEIR ANTIOXIDANT ACTIVITY</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>Абакшонок</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Abakshonok</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистр хим. наук, мл. науч. сотрудник</p></bio><bio xml:lang="en"><p>M. Sc. (Chemistry), Junior Researcher</p></bio><email xlink:type="simple">nura2007@tut.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>Квасюк</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kvasyuk</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотрудник</p></bio><bio xml:lang="en"><p>Junior Researcher</p></bio><email xlink:type="simple">saja88@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>Еремин</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Eryomin</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, гл. науч. сотрудник</p></bio><bio xml:lang="en"><p>D. Sc. (Chemistry), Chief Researcher</p></bio><email xlink:type="simple">yan47@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>Агабеков</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Agabekov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик, д-р хим. наук, профессор, директор</p></bio><bio xml:lang="en"><p>Academician, D. Sc. (Che mist-ry), Professor, Director</p></bio><email xlink:type="simple">chnm@ichnm.basnet.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт химии новых материалов НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2017</year></pub-date><volume>0</volume><issue>3</issue><fpage>7</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абакшонок А.В., Квасюк А.А., Еремин А.Н., Агабеков В.Е., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Абакшонок А.В., Квасюк А.А., Еремин А.Н., Агабеков В.Е.</copyright-holder><copyright-holder xml:lang="en">Abakshonok A.V., Kvasyuk A.A., Eryomin A.N., Agabekov V.E.</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/263">https://vestichem.belnauka.by/jour/article/view/263</self-uri><abstract><p>В водно-аммиачной среде, в том числе содержащей пероксид водорода или цитрат натрия, синтезированы частицы диоксида церия. Полученные золи выдерживали 6 ч при комнатной температуре, обрабатывали ультразвуком (УЗ) или кипятили под давлением (~80 кПа). После УЗ обработки интенсивность поглощения частиц увеличилась в 3,4–3,7 раза по сравнению с выдержанными при комнатной температуре или подвергнутые термообработке под давлением. Добавка Н2О2 или Na3C6H5O7 в среду синтеза уменьшает средний гидродинамический диаметр частиц (116–216 нм) и индекс полидисперсности золя (0,18–0,27) в водной среде. Полученные оксидные церие вые частицы окисляют 2,2-азино-бис(3-этил-бензотиазолин-6-сульфоновую кислоту) и разлагают Н2О2. Наибольшую «оксидазную» активность проявили частицы, обработанные УЗ. Их «каталазная» активность снижается с увеличением концентрации Н2О2.</p><sec><title> </title><p> </p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><p>Ceria particles were synthesized in the aqueous ammonia solution in presence of hydrogen peroxide or sodium citrate. The obtained sols were exposed at room temperature for 6 hours, thеn treated with ultrasound or heated under pressure (~80 kPa). After sonication the absorption intensity of the particles increased by 3.4–3.7 times, as compared to the particles aged at room temperature or heated under pressure. Addition of H2O2 or Na3C6H5O7 in the synthesis medium leads to the reduction of hydrodynamic diameter of particles (116–216 nm) and polydispersity index of the sol (0,18–0,27). The resulting ceria particles are able to oxidize 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) and decompose H2O2. The highest «oxidase» activity showed the particles treated with ultrasound. Their «catalase» activity decreases with the increase of H2O2 concentration.</p><sec><title> </title><p> </p></sec><sec><title> </title><p> </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастицы</kwd><kwd>диоксид церия</kwd><kwd>синтез</kwd><kwd>антиоксидантная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanoparticles</kwd><kwd>cerium dioxide</kwd><kwd>synthethis methods</kwd><kwd>antioxidant activity</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">Nanoceria as Antioxidant: Synthesis and Biomedical Applications / A.S. Karakoti [et al.] // JOM (1989). – 2008. – Vol. 60, № 3. – P. 33–37.</mixed-citation><mixed-citation xml:lang="en">Karakoti A. S., Monteiro-Riviere N. A., Aggarwal R., Davis J. P., Narayan R. J., Self W. 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