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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of microbiology, epidemiology and immunobiology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of microbiology, epidemiology and immunobiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал микробиологии, эпидемиологии и иммунобиологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0372-9311</issn><issn publication-format="electronic">2686-7613</issn><publisher><publisher-name xml:lang="en">Central Research Institute for Epidemiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">13836</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">BACTERICIDAL ACTION OF NON-THERMAL PLASMA ON BIOFILMS FORMED IN VITRO AND WITHIN A ROOT CHANNEL</article-title><trans-title-group xml:lang="ru"><trans-title>БАКТЕРИЦИДНОЕ ВОЗДЕЙСТВИЕ НИЗКОТЕМПЕРАТУРНОЙ АРГОНОВОЙ ПЛАЗМЫ НА БИОПЛЕНКИ, СФОРМИРОВАННЫЕ IN VITRO И В ЗУБНОМ КАНАЛЕ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sysolyatina</surname><given-names>E. V</given-names></name><name xml:lang="ru"><surname>Сысолятта</surname><given-names>Е. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sobyanin</surname><given-names>K. A</given-names></name><name xml:lang="ru"><surname>Собянин</surname><given-names>К. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petryakov</surname><given-names>A. V</given-names></name><name xml:lang="ru"><surname>Петряков</surname><given-names>А. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trushkin</surname><given-names>N. I</given-names></name><name xml:lang="ru"><surname>Трушкин</surname><given-names>Н. И</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Beketova</surname><given-names>E. N</given-names></name><name xml:lang="ru"><surname>Бекетова</surname><given-names>Е. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Arseenkova</surname><given-names>O. Yu</given-names></name><name xml:lang="ru"><surname>Арсеенкова</surname><given-names>О. Ю</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karpova</surname><given-names>T. I</given-names></name><name xml:lang="ru"><surname>Карпова</surname><given-names>Т. И</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gintsburg</surname><given-names>A. L</given-names></name><name xml:lang="ru"><surname>Гинцбург</surname><given-names>А. Л</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Akishev</surname><given-names>Yu. S</given-names></name><name xml:lang="ru"><surname>Акишев</surname><given-names>Ю. С</given-names></name></name-alternatives><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ermolaeva</surname><given-names>S. A</given-names></name><name xml:lang="ru"><surname>Ермолаева</surname><given-names>С. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Gamaleya Research Institute of Epidemiology and Microbiology, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">НИИ эпидемиологии и микробиологии им. Н.Ф.Гамалеи, Москва</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Troitsk Institute of Innovative and Thermonuclear Research, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">Троицкий институт инновационных и термоядерных исследований, Москва</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Stomatological policlinic No. 65, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">Стоматологическая поликлиника № 65, Москва</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">National Research Nuclear University, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский ядерный университет «МИФИ», Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2013</year></pub-date><volume>90</volume><issue>6</issue><issue-title xml:lang="en">NO6 (2013)</issue-title><issue-title xml:lang="ru">№6 (2013)</issue-title><fpage>8</fpage><lpage>12</lpage><history><date date-type="received" iso-8601-date="2023-06-09"><day>09</day><month>06</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Sysolyatina E.V., Sobyanin K.A., Petryakov A.V., Trushkin N.I., Beketova E.N., Arseenkova O.Y., Karpova T.I., Gintsburg A.L., Akishev Y.S., Ermolaeva S.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, Сысолятта Е.В., Собянин К.А., Петряков А.В., Трушкин Н.И., Бекетова Е.Н., Арсеенкова О.Ю., Карпова Т.И., Гинцбург А.Л., Акишев Ю.С., Ермолаева С.А.</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Sysolyatina E.V., Sobyanin K.A., Petryakov A.V., Trushkin N.I., Beketova E.N., Arseenkova O.Y., Karpova T.I., Gintsburg A.L., Akishev Y.S., Ermolaeva S.A.</copyright-holder><copyright-holder xml:lang="ru">Сысолятта Е.В., Собянин К.А., Петряков А.В., Трушкин Н.И., Бекетова Е.Н., Арсеенкова О.Ю., Карпова Т.И., Гинцбург А.Л., Акишев Ю.С., Ермолаева С.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://microbiol.crie.ru/jour/article/view/13836">https://microbiol.crie.ru/jour/article/view/13836</self-uri><abstract xml:lang="en"><p>Aim. Evaluation of efficiency of non-thermal plasma as bactericidal agent affecting biofilms formed in vitro and on walls of a root channel. Materials and methods. The multiple antibiotic resistant strain Staphylococcus epidermidis isolated from pulpitis was used. Biofilms formed in vitro on the plastic surface and ex vivo at the walls of the root canal were treated with plasma torch formed by argon:air (9:1) mixture eradiated with 100 kHz electrtomagnetic field. Bacterial viability was determined by plating and by differential Live/Dead labeling. Results. The dose-dependent decrease in living bacteria was demonstrated. The three-step kinetics ofbacterial killing was observed. Total elimination ofup 10 9 CFU/sample was reached at exposition of240 s or more. Conclusion. The non-thermal plasma effectively destroyed bacterial biofilms within root channels.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Оценка эффективности бактерицидного действия низкотемпературной плазмы (НТП) на биопленки, сформированные in vitro и в зубном канале. Материалы и методы. В работе использован антибиотикоустойчивый изолят Staphylococcus epidermidis, выделенный из очага гнойного пульпита. Биопленки, сформированные S.epidermidis in vitro на поверхности пластика и ex vivo на поверхности стенок зубных каналов, обрабатывали плазменной струей, формируемой смесью аргон:воздух (9:1), подвергнутой электромагнитному воздействию с частотой 100 кГц. Жизнеспособность бактерий определяли высевами на твердые питательные среды и по дифференциальной окраске Live/Dead с помощью флюоресцентной микроскопии. Результаты. Установлена дозозависимая гибель бактерий в биопленках с трехступенчатой кинетикой. Полное уничтожение микроорганизмов, содержащих в образце до 10 9 КОЕ/мл, было достигнуто при времени экспозиции равном 240 с и более. Заключение. Доказана возможность использования НТП для уничтожения бактерий в биопленках, сформированных в зубных каналах.</p></trans-abstract><kwd-group xml:lang="en"><kwd>non-thermal plasma</kwd><kwd>biofilms of Staphylococcus epidermidis</kwd><kwd>root channels</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>низкотемпературная плазма</kwd><kwd>биопленки S.epidermidis</kwd><kwd>зубные каналы</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Арцимович Л.А., Сагдеев Р.З. Физика плазмы для физиков. М., Атомиздат, 1979.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Ермолаева С., Петров О., Миллер Г. и др. Перспективы использования низкотемпературной газовой плазмы как антимикробного агента. Вестн. РАМН.2011, 10: 15-21.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Романова Ю.М., Гинцбург А.Л. 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