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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">zdor</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы здоровья и экологии</journal-title><trans-title-group xml:lang="en"><trans-title>Health and Ecology Issues</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-0967</issn><issn pub-type="epub">2708-6011</issn><publisher><publisher-name>Gomel State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51523/2708-6011.2022-19-2-18</article-id><article-id custom-type="elpub" pub-id-type="custom">zdor-2289</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>НОВЫЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NEW TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Инструментальный метод с оптической детекцией для оценки антимикробного потенциала материалов, используемых для медицинских масок</article-title><trans-title-group xml:lang="en"><trans-title>Instrumental method with optical detection for evaluating the antimicrobial potential of materials used for medical mask production</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5877-9307</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дудчик</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dudchik</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дудчик Наталья Владимировна, д.биол.н., доцент, заведующий лабораторией микробиологии</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Natallia V. Dudchik, DBiolSc, Associate Professor, Head of the Microbiology Laboratory</p><p>Minsk</p></bio><email xlink:type="simple">n_dudchik@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-практический центр гигиены</institution></aff><aff xml:lang="en"><institution>Scientific Practical Centre of Hygiene</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>07</month><year>2022</year></pub-date><volume>19</volume><issue>2</issue><fpage>140</fpage><lpage>146</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дудчик Н.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Дудчик Н.В.</copyright-holder><copyright-holder xml:lang="en">Dudchik N.V.</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://journal.gsmu.by/jour/article/view/2289">https://journal.gsmu.by/jour/article/view/2289</self-uri><abstract><p>Цель исследования. Оптимизировать параметры тестирования антимикробной активности модифицированных нетканых материалов, используемых для изготовления медицинских масок, в отношении санитарно-показательных микроорганизмов и провести количественную оценку их антимикробного потенциала методом с оптической детекцией.Материалы и методы. Оценку антимикробного потенциала проводили, моделируя прямой контакт материала с антимикробным импрегнированием в условиях in vitro методом с оптической детекцией на основании предложенного маркера Ts — времени достижения популяции микроорганизмов стационарной фазы развития в условиях периодического культивирования. Антимикробный потенциал рассчитывали по предложенной формуле и оценивали в соответствии с обоснованной количественной шкалой.Результаты. В лабораторных условиях оптимизированы параметры тестирования антимикробной активности нетканых материалов с антимикробной обработкой оксидом цинка (ZnO) с использованием инструментального метода с оптической детекцией. Установлено, что материал, полученный с использованием электронно-лучевого напыления из активной газовой фазы, продемонстрировал более выраженный антимикробный потенциал (АМР) в отношении протестированных штаммов Staphylococcus aureus по сравнению с материалом, полученным путем импрегнирования wet chemistry из раствора в вакууме.Заключение. Разработан инструментальный метод с оптической детекцией для количественной оценки антимикробного потенциала нетканых материалов. Обоснован критериально значимый маркер Ts (время достижения популяцией микроорганизмов стационарной фазы развития в периодической системе культивирования), предложена дискретная шкала оценки антимикробного потенциала.</p></abstract><trans-abstract xml:lang="en"><p>Objective. To optimize the parameters for testing the antimicrobial activity of modified non-woven materials used for the production of medical masks against sanitary-indicative microorganisms and to quantify their antimicrobial potential using a method with optical detection.Materials and methods. The antimicrobial potential was assessed by simulating a direct contact of the material with antimicrobial impregnation under in vitro conditions by the method with optical detection based on the proposed marker Ts – the time it takes for a population of microorganisms to reach the stationary phase of development under conditions of periodic cultivation. The antimicrobial potential was calculated according to the proposed formula and evaluated in accordance with a reasonable quantitative scale.Results. In laboratory conditions, the parameters for testing the antimicrobial activity of nonwoven materials with antimicrobial treatment with zinc oxide - ZnO - using an instrumental method with optical detection have been optimized. It was found that the sample obtained using electron beam spraying from the active gas phase demonstrated more pronounced antimicrobial potential of AMP against the tested strains of Staphylococcus aureus compared with the sample obtained by wet chemistry impregnation from a solution in vacuum.Conclusion. An instrumental method with optical detection for quantitive assessment of the antimicrobial potential of nonwoven materials has been developed. The criterion-significant marker Ts (the time it takes a population of microorganisms to reach the stationary phase of development in a periodic culture system) has been substantiated, and a discrete scale for assessing the antimicrobial potential has been proposed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>маски медицинские</kwd><kwd>тест-штаммы</kwd><kwd>тестирование</kwd><kwd>антимикробный потенциал</kwd><kwd>маркеры</kwd><kwd>критериальная шкала</kwd><kwd>оптические параметры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>medical masks</kwd><kwd>test strains</kwd><kwd>testing</kwd><kwd>antimicrobial potential</kwd><kwd>markers</kwd><kwd>criteria scale</kwd><kwd>optical parameters</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках научно-исследовательской работы «Провести моделирование и разработать методику оценки антимикробного потенциала нетканых полимерных материалов, модифицированных органическими и полимер-неорганическими покрытиями», договор с ГНУ «Институт химии новых материалов НАН Беларуси» от 01.12.2021 г. №Х21УЗБГ-030/01, в рамках задания «Создание модифицированных органическими и полимер-неорганическими покрытиями волокнистых материалов различного функционального назначения» по договору от 15.11.2021 г. №Х21УЗБГ-030 с БРФФИ ГКНТ-Узбекистан № ГР 20220004 от 05.01.2022 г.</funding-statement><funding-statement xml:lang="en">This work was performed within the framework of the research work "To carry out modelling and to develop a method for assessing antimicrobial potential of nonwoven polymer materials modified with organic and polymerinorganic coatings", agreement with the Institute of Chemistry New Materials of the NAS of Belarus dated 01.12.2021 No.H21UZBG-030/01 within the task "Development of fiber materials of different functional purpose modified with organic and polymer-inorganic coatings" as per agreement dated 15.11.2021 No.H21UZBG-030/01, supported by the Belarusian Republican Foundation for Fundamental Research and the State Committee on Science and Technology of the Republic of Belarus, with Uzbekistan No.GR 20220004 dated 05.01.2022.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Feng S, Shen C, Xia N, Song W, Fan M, Cowling BJ. 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