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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">toxreview</journal-id><journal-title-group><journal-title xml:lang="ru">Токсикологический вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Toxicological Review</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7922</issn><issn pub-type="epub">3034-4611</issn><publisher><publisher-name>Federal Scientific Center of Hygiene named after F.F. Erisman</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36946/0869-7922-2021-29-5-25-33</article-id><article-id custom-type="elpub" pub-id-type="custom">toxreview-530</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Изучение токсичности и особенностей биологического действия нанокомпозита пектин-Аg: результаты субхронического эксперимента</article-title><trans-title-group xml:lang="en"><trans-title>Study of toxicity and peculiarities of biological effects of nanocomposite pectin-Ag: results of a subchronic experiment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6461-0655</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василькевич</surname><given-names>Вадим Михайлович</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilkevich</surname><given-names>Vadzim Michailovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, старший научный сотрудник лаборатории промышленной токсикологии республиканского унитарного предприятия «Научно-практический центр гигиены», г. Минск, Республика Беларусь.</p><p>e-mail: sabas2004@mail.ru </p></bio><bio xml:lang="en"><p>Ph.D. in Medicine, Senior Research Scientist of Republican unitary enterprise «Scientific Practical Centre of Hygiene», Ministry of Health of the Republic of Belarus, 220012, Minsk, Republic of Belarus.</p><p>e-mail: sabas2004@mail.ru</p></bio><email xlink:type="simple">sabas2004@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/0000-0003-3655-4155</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богданов</surname><given-names>Руслан Валерьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanov</surname><given-names>Ruslan Valerievich</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, заведующий лабораторией промышленной токсикологии республиканского унитарного предприятия «Научно-практический центр гигиены», г. Минск, Республика Беларусь.</p><p>e-mail: 7_rus@tut.by</p></bio><email xlink:type="simple">7_rus@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3121-0014</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гилевская</surname><given-names>Ксения Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Gilevskaya</surname><given-names>Ksenia Sergeevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат химических наук, доцент, старший научный сотрудник лаборатории микро- и наноструктурированных систем ГНУ «Институт химии новых материалов НАН Беларуси», г. Минск, Республика Беларусь.</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6505-3929</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликовская</surname><given-names>Виктория Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikouskaya</surname><given-names>Victoria Igorevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат химических наук, доцент, заведущий лаборатории микро- и наноструктурированных систем ГНУ «Институт химии новых материалов НАН Беларуси», г. Минск, Республика Беларусь.</p><p>e-mail: kulikouskaya@gmail.com</p></bio><email xlink:type="simple">kulikouskaya@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканское унитарное предприятие «Научно-практический центр гигиены», Министерство здравоохранения Республики Беларусь</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Republican unitary enterprise «Scientific Practical Centre of Hygiene», Ministry of Health of the Republic of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГНУ «Институт химии новых материалов НАН Беларуси»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>State Scientific Institution “Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus”</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>14</day><month>10</month><year>2021</year></pub-date><volume>29</volume><issue>5</issue><fpage>25</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Василькевич В.М., Богданов Р.В., Гилевская К.С., Куликовская В.И., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Василькевич В.М., Богданов Р.В., Гилевская К.С., Куликовская В.И.</copyright-holder><copyright-holder xml:lang="en">Vasilkevich V.M., Bogdanov R.V., Gilevskaya K.S., Kulikouskaya V.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://www.toxreview.ru/jour/article/view/530">https://www.toxreview.ru/jour/article/view/530</self-uri><abstract><sec><title>Введение</title><p>Введение. Нанокомпозиты, синтезированные методом «зелёной химии», не содержат в своем составе в качестве носителей и/или стабилизирующих оболочек токсичных химических веществ (восстановителей и органических растворителей). Одними из представителей данной группы материалов являются нанокомпозиты на основе серебра, всё более широко используемые в медицинской практике, ветеринарии и в некоторых других областях. </p></sec><sec><title>Материал и методы</title><p>Материал и методы. Нанокомпозит представляет собой наночастицы Ag0, покрытые оболочкой высокометоксилированного пектина. Концентрация наночастиц Ag0 в гидрозоле нанокомпозита пектин-Ag составляет 1,65 ммоль/л, а содержание пектина – 7,5 мг/мл. Размер синтезированного нанокомпозита пектин-Ag ~ 20–30 нм, более 90% частиц имеют диаметр менее 20 нм, величина ξ-потенциала составляет 45,3 ± 0,7 мВ. Токсикологические исследования проведены на аутбредных крысах. Основной целью исследований являлось изучение токсических эффектов нанокомпозита пектин-Ag в субхроническом эксперименте (90 сут). По окончанию эксперимента определяли комплекс поведенческих и клинико-лабораторных показателей, позволяющих оценить биологическое действие нанокомпозита на животных. Результаты исследований подвергались статистической обработке.</p></sec><sec><title>Результаты</title><p>Результаты. При субхроническом внутрижелудочном введении лабораторным животным (крысы) нанокомпозита пектин-Ag на протяжении 3 мес в дозах 50, 500 и 5000 мг/кг было установлено, что нанокомпозит проявляет дозозависимое общетоксическое действие с критическими органами-мишенями – печень и селезёнка и основными биохимическими маркерами токсического эффекта – аминотрансферазы, щелочная фосфатаза и лактатдегидрогеназа.</p></sec><sec><title>Заключение</title><p>Заключение. Проведённые экспериментальные исследования позволили обосновать пороговые дозы гидрозоля нанокомпозита пектин-Ag при внутрижелудочном пути поступления.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Nanocomposites synthesized by the “green chemistry” method do not contain toxic chemicals (reducing agents and organic solvents) as carriers and/or stabilizing shells. One of the representatives of this group of materials are nanocomposites based on silver, which are increasingly used in medical practice, veterinary medicine, and in some other fields.</p></sec><sec><title>Material and methods</title><p>Material and methods. The nanocomposite is Ag0 nanoparticles coated with a highly methoxylated pectin shell. The concentration of Ag0 nanoparticles in the hydrosol of the pectin-Ag nanocomposite is 1.65 mmol/l, and the pectin content is 7.5 mg/ml. The size of the synthesized pectin-Ag nanocomposite is ~20–30 nm, more than 90% of the particles have a diameter of less than 20 nm, the value of the ξ-potential is 45.3 ± 0.7 mV. Toxicological studies were carried out on outbred rats. The main goal of the research was to study the toxic effects of the pectin-Ag nanocomposite in a subchronic experiment (90 days). At the end of the experiment, a complex of behavioral and clinical and laboratory parameters was determined, which made it possible to assess the biological effect of the nanocomposite on animals. The research results were statistically processed.</p></sec><sec><title>Results</title><p>Results. With subchronic intragastric administration of the pectin-Ag nanocomposite to laboratory animals (rats) for 3 months at doses of 50, 500, and 5000 mg/kg, it was found that the nanocomposite exhibits a dose-dependent general toxic effect with critical target organs - the liver and spleen and the main biochemical markers of toxicity effect - aminotransferase, alkaline phosphatase and lactate dehydrogenase.</p></sec><sec><title>Conclusion</title><p>Conclusion. Experimental studies have made it possible to substantiate the threshold doses of the hydrosol of the pectin-Ag nanocomposite for the intragastric route of intake.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастицы серебра</kwd><kwd>пектин</kwd><kwd>«зеленая» химия</kwd><kwd>токсичность</kwd><kwd>безопасные уровни воздействия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>silver nanoparticles</kwd><kwd>pectin</kwd><kwd>green chemistry</kwd><kwd>toxicity</kwd><kwd>safe exposure levels</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">Крутяков Ю.А., Кудринский А.А., Оленин А.Ю., Лисичкин Г.В. Синтез и свойства наночастиц серебра: достижения и перспективы. Успехи химии. 2008; 77(3): 242-69</mixed-citation><mixed-citation xml:lang="en">Krutyakov Yu.A., Kudrinskiy A.A., Olenin A.Yu., Lisichkin G.V. 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