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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">medlit</journal-id><journal-title-group><journal-title xml:lang="ru">Гигиена и санитария</journal-title><trans-title-group xml:lang="en"><trans-title>Hygiene and Sanitation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0016-9900</issn><issn pub-type="epub">2412-0650</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">10.47470/0016-9900-2022-101-6-622-627</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-2308</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>МЕДИЦИНА ТРУДА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OCCUPATIONAL HEALTH</subject></subj-group></article-categories><title-group><article-title>Исследование особенностей бионакопления и патоморфологических изменений тканей органов крыс при однократной ингаляционной экспозиции наночастицами оксида молибдена (VI) в сравнении с микродисперсным аналогом</article-title><trans-title-group xml:lang="en"><trans-title>Study of features of bioaccumulation and pathomorphological changes in tissues of rat organs after a single inhalation exposure to molybdenum (VI) oxide nanoparticles in comparison with a microdisperse analogue</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2356-1145</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зайцева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaitseva</surname><given-names>Nina 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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8013-9613</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Землянова</surname><given-names>Марина Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Zemlyanova</surname><given-names>Marina A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор мед. наук, профессор, зав. отд. биохимических и цитогенетических методов диагностики ФБУН «Федеральный научный центр медико-профилактических технологий управления рисками здоровью населения» Роспотребнадзора, 614045, Пермь.</p><p>e-mail: zem@fcrisk.ru</p></bio><bio xml:lang="en"><p>MD, PhD, DSci., Professor, Head of Biochemical and Cytogenetic Diagnostic Techniques Department, Federal Scientific Center for Medical and Preventive Health Risk Management Technologies, Perm, 614045, Russian Federation.</p><p>e-mail: zem@fcrisk.ru</p></bio><email xlink:type="simple">zem@fcrisk.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/0000-0002-7226-7682</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанков</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepankov</surname><given-names>Mark S.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9075-3257</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Игнатова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ignatova</surname><given-names>Anna M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3119-3477</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николаева</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaeva</surname><given-names>Alena E.</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>ФБУН «Федеральный научный центр медико-профилактических технологий управления рисками здоровью населения» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution></aff><aff xml:lang="en"><institution>Federal Scientific Center for Medical and Preventive Health Risk Management Technologies</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФБУН «Федеральный научный центр медико-профилактических технологий управления рисками здоровью населения» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека; ФГАОУ ВО «Пермский государственный национальный исследовательский университет»; ФГАОУ ВО «Пермский национальный исследовательский политехнический университет»</institution></aff><aff xml:lang="en"><institution>Federal Scientific Center for Medical and Preventive Health Risk Management Technologies; Perm State National Research University; Perm National Research Polytechnic University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФБУН «Федеральный научный центр медико-профилактических технологий управления рисками здоровью населения» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека; Институт механики сплошных сред Уральского отделения Российской академии наук - филиал ФГБУН «Пермский федеральный исследовательский центр Уральского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Federal Scientific Center for Medical and Preventive Health Risk Management Technologies; Institute of Continuum Mechanics of the Ural Branch of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2022</year></pub-date><volume>101</volume><issue>6</issue><fpage>622</fpage><lpage>627</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зайцева Н.В., Землянова М.А., Степанков М.С., Игнатова А.М., Николаева А.Е., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Зайцева Н.В., Землянова М.А., Степанков М.С., Игнатова А.М., Николаева А.Е.</copyright-holder><copyright-holder xml:lang="en">Zaitseva N.V., Zemlyanova M.A., Stepankov M.S., Ignatova A.M., Nikolaeva A.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://www.rjhas.ru/jour/article/view/2308">https://www.rjhas.ru/jour/article/view/2308</self-uri><abstract><sec><title>Введение</title><p>Введение. Наночастицы оксида молибдена (VI) (НЧ МоО3) применяются в производстве нанооптики, продукции электрохимической, текстильной и химической промышленности. В настоящее время также рассматривается возможность их применения в сферах нефтепереработки и наноэлектроники. Расширение спектра применения НЧ МоО3 может привести к загрязнению атмосферного воздуха, экспозиции населения и развитию негативных эффектов, вызванных токсическими свойствами данного наноматериала. В связи с этим возникает необходимость изучения токсичности НЧ МоО3 при ингаляционном пути поступления в организм.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Установлены размер, площадь поверхности и суммарный объём пор НЧ МоО3. Проведено исследование бионакопления и патоморфологических изменений тканей органов крыс после однократной ингаляционной экспозиции НЧ МоО3 сравнительно с микроразмерным химическим аналогом.</p></sec><sec><title>Результаты</title><p>Результаты. Размер наночастиц (НЧ) составил 662,5 нм, что в 5,15 раза меньше микрочастиц (МЧ) (3410 нм). Площадь поверхности наноматериала — 3,66 м2/г, что в 1,17 раза больше МЧ (3,14 м2/г); общий объём пор, находящихся на поверхности НЧ, составил 0,0133 см3/г, что превышает данный параметр у МЧ в 1,18 раза (0,0113 см3/г). Не установлено увеличения концентрации молибдена в сердце, лёгких, печени, почках и головном мозге крыс через 14 сут после однократной ингаляционной экспозиции НЧ и МЧ МоО3. Установлены патоморфологические изменения в тканях лёгких, головного мозга и печени экспонированных крыс. Более выраженное токсическое действие НЧ в сравнении с МЧ проявляется в остром полнокровии и развитии реактивных фолликулов в лёгких.</p></sec><sec><title>Ограничения исследования</title><p>Ограничения исследования. Исследование выполнено только при однократном ингаляционном введении НЧ МоО3 и МЧ МоО3 на крысах линии Wistar.</p></sec><sec><title>Заключение</title><p>Заключение. Тестируемый материал является продуктом наноиндустрии. При однократной ингаляционной экспозиции не обладает бионакоплением. Вызывает более выраженные патоморфологические изменения тканей лёгких в сравнении с микроматериалом. Полученные результаты необходимо учитывать при разработке мер профилактики для работников и населения, подвергающихся воздействию НЧ МоО3, и совершенствовании методологии гигиенического нормирования новых химических веществ.</p><p>Соблюдение этических стандартов. Исследование выполнено в соответствии с Европейской конвенцией по защите позвоночных животных, используемых для экспериментальных или в иных научных целях (ETS № 123), и требованиями Этического комитета ФБУН «Федеральный научный центр медико-профилактических технологий управления рисками здоровью населения» (Протокол № 1 от 15.01.2021 г.).</p></sec><sec><title>Участие авторов</title><p>Участие авторов: Зайцева Н.В. — концепция и дизайн исследования, статистическая обработка материала, редактирование; Землянова М.А. — концепция и дизайн исследования, обработка материала, написание текста; Степанков М.С. — сбор материала, написание текста; Игнатова А.М., Николаева А.Е. — обработка материала. Все соавторы — утверждение окончательного варианта статьи, ответственность за целостность всех частей статьи.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы декларируют отсутствие явных и потенциальных конфликтов интересов в связи с публикацией данной статьи.</p></sec><sec><title>Финансирование</title><p>Финансирование. Исследование выполнено за счёт федерального бюджета.</p></sec><sec><title>Поступила</title><p>Поступила: 11.04.2022 / Принята к печати: 08.06.2022 / Опубликована: 26.06.2022</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Nanoparticles of molybdenum (VI) oxide (MoO3 NPs) are used in the production of nanooptics, products of the electrochemical, textile and chemical industries. Currently, the possibility of their application in the fields of oil refining and nanoelectronics is also being considered. Expanding the range of application of MoO3 NPs can lead to air pollution, exposure of the population and the development of negative effects due to the toxic properties of this nanomaterial. In this regard, there is a need to study the toxicity of MoO3 NPs under the inhalation.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The size, surface area, and total pore volume of MoO3 NPs were determined. A study included assessing of bioaccumulation and pathomorphological changes in tissues of rats organs after a single inhalation exposure to MoO3 NPs compared with a microsized chemical analogue.</p></sec><sec><title>Results</title><p>Results. The NPs size was 662.5 nm, which is 5.15 times less than microparticles (MP) (3410 nm). The surface area of the nanomaterial is 3.66 m2/g, which is 1.17 times more than MPs (3.14 m2/g); the total volume of pores located on the surface of NPs was 0.0133 cm3/g, which exceeds this parameter in NPs by 1.18 times (0.0113 cm3/g). An increase in the concentration of molybdenum in the heart, lungs, liver, kidneys and brain of rats 14 days after single inhalation exposure to MoO3 NPs and MPs was not found. Pathological changes in the tissues of lungs, brain and liver of exposed rats were established. A more pronounced toxic effect of NPs in comparison with MPs was shown in acute plethora and the development of reactive follicles in the lungs.</p></sec><sec><title>Limitations</title><p>Limitations. The study was performed only with a single inhalation administration of NPs and MPs of MoO3 in Wistar rats. </p></sec><sec><title>Conclusion</title><p>Conclusion. The tested material is a product of the nanoindustry. It does not possess of bioaccumulation after single inhalation exposure. It causes more pronounced pathomorphological changes in the lung tissues in comparison with the micromaterial. The obtained results should be taken into account when developing preventive measures for workers and the public exposed to MoO3 NPs and improving the methodology for hygienic regulation of new chemicals.</p><p>Compliance with ethical standards. The study was performed in accordance with the European Convention for the Protection of Vertebrate Animals used for Experimental or other Scientific Purposes (ETS No. 123) and the requirements of the Ethics Committee of the Federal Scientific Center for Medical and Preventive Health Risk Management Technologies (Protocol No. 1, dated January 15, 2021).</p></sec><sec><title>Contribution</title><p>Contribution: Zaitseva N.V. — the concept and design of the study, statistical processing of the material, editing; Zemlyanova M.A. — the concept and design of the study, processing of the material, writing the text; Stepankov M.S. — collection of material, writing the text; Ignatova A.M., Nikolaeva A.E. — processing of the material. All authors are responsible for the integrity of all parts of the manuscript and approval of the manuscript final version.</p></sec><sec><title>Conflict of interest</title><p>Conflict of interest. The authors declare no conflict of interest.</p></sec><sec><title>Acknowledgement</title><p>Acknowledgement. The study had no sponsorship.</p></sec><sec><title>Received</title><p>Received: April 11, 2022 / Accepted: June 8, 2022 / Published: June 26, 2022</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>оксид молибдена (VI)</kwd><kwd>наночастицы</kwd><kwd>бионакопление</kwd><kwd>однократная ингаляция</kwd><kwd>токсичность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>molybdenum (VI) oxide</kwd><kwd>nanoparticles</kwd><kwd>bioaccumulation</kwd><kwd>single inhalation</kwd><kwd>toxicity</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">Бандман А.Л., Волкова Н.В., Грехова Т.Д., Гудзовский Г.А., Давыдова В.И., Дворкин Э.Л. и др. Вредные химические вещества. Неорганические соединения V-VIII групп: Справочное издание. 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