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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">ikbgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Кабардино-Балкарского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Kabardino-Balkarian State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-7789</issn><publisher><publisher-name>Kabardino-Balkarian State University named after Kh. M. Berbekov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31143/2542-212X-2025-2-77-83</article-id><article-id custom-type="edn" pub-id-type="custom">YVKRJY</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-14</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>Химия</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Chemistry</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности по отношению к различным микроорганизмам биоцидных катионных полиэлектролитов</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the efficacy of guanidine-containing biocidal additives towards different microorganisms</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>Хту</surname><given-names>Мьят К.К.</given-names></name><name name-style="western" xml:lang="en"><surname>Htu</surname><given-names>Myat K.K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соискатель ученой степени: Кандидат наук</p></bio><bio xml:lang="en"><p>Candidate for a Scientific Degree: Candidate of Sciences</p></bio><email xlink:type="simple">gerasin@ips.ac.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>Герасин</surname><given-names>Виктор Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Gerasin</surname><given-names>Viktor Anatolyevich</given-names></name></name-alternatives><bio xml:lang="ru"><p>Cтарший научный сотрудник</p></bio><bio xml:lang="en"><p>Senior Researcher</p></bio><email xlink:type="simple">gerasin@ips.ac.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский химико-технологический университет им. Д.И. Менделеева</institution></aff><aff xml:lang="en"><institution>D.I. Mendeleev Russian University of Chemistry and Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук</institution></aff><aff xml:lang="en"><institution>A.V. Topchiev Institute of Petrochemical Synthesis RAS</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>12</day><month>11</month><year>2025</year></pub-date><volume>15</volume><issue>2</issue><fpage>77</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хту М.К., Герасин В.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хту М.К., Герасин В.А.</copyright-holder><copyright-holder xml:lang="en">Htu M.K., Gerasin V.A.</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.izvestiakbsu.ru/jour/article/view/14">https://www.izvestiakbsu.ru/jour/article/view/14</self-uri><abstract><p>Исследовано влияние ряда катионных полиэлектролитов на биообрастание и физикомеханические характеристики полимерного материала на основе стирол-акриловой водной дисперсии. Изучена стойкость покрытий к воздействию грамположительных и грамотрицательных бактерий, а также дрожжевых грибов. Установлены эффективные концентрации добавок, при которых предотвращается формирование биопленок на поверхности покрытий.</p></abstract><trans-abstract xml:lang="en"><p>Effect of a number of cationic polyelectolytes on the biofouling and physical and mechanical properties of polymer material based on styrene-acrylic water dispersion has been studied. The antifouling properties of the material were tested against gram-positive and gram-negative bacteria as well as micromycetes. The effective concentrations of the additives have been determined for inhibiting the formation of biofilm on the polymer surface.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полимер</kwd><kwd>краска</kwd><kwd>покрытие</kwd><kwd>биоцид</kwd><kwd>полиэлектролит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polymer</kwd><kwd>paint</kwd><kwd>coating</kwd><kwd>biocide</kwd><kwd>polyelectrolyte</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">Paz-Villarraga C.A., Castro Í.B., Fillmann G. Biocides in antifouling paint formulations currently registered for use // Environmental Science and Pollution Research. 2022. V. 29. P. 30090–30101.</mixed-citation><mixed-citation xml:lang="en">Paz-Villarraga C.A., Castro Í.B., Fillmann G. Biocides in antifouling paint formulations currently registered for use // Environmental Science and Pollution Research. 2022. V. 29. 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