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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">bioph</journal-id><journal-title-group><journal-title xml:lang="ru">Biomedical Photonics</journal-title><trans-title-group xml:lang="en"><trans-title>Biomedical Photonics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2413-9432</issn><publisher><publisher-name>Non-profit partnership for development of domestic photodynamic therapy and photodiagnosis</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24931/2413-9432-2023-12-1-14-21</article-id><article-id custom-type="elpub" pub-id-type="custom">bioph-579</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>Антибактериальная эффективность хлорофилла листьев катука (Sauropus androgynus (L) Merr) с активацией синим и красным лазером в отношении биопленки aggregatibacter actinomycetemcomitans и enterococcus faecalis</article-title><trans-title-group xml:lang="en"><trans-title>Effectiveness of katuk leaf chlorophyll (Sauropus androgynus (L) Merr) with blue and red laser a ctivation to reduce Aggregatibacter actinomycetemcomitans and Enterococcus faecalis biofilm</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>Permatasari</surname><given-names>P. А. D.</given-names></name><name name-style="western" xml:lang="en"><surname>Permatasari</surname><given-names>P. A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Surabaya</p></bio><bio xml:lang="en"><p>Surabaya</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Astuti</surname><given-names>S. D.</given-names></name><name name-style="western" xml:lang="en"><surname>Astuti</surname><given-names>S. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Surabaya</p></bio><bio xml:lang="en"><p>Surabaya</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Yaqubi</surname><given-names>A. K.</given-names></name><name name-style="western" xml:lang="en"><surname>Yaqubi</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Surabaya</p></bio><bio xml:lang="en"><p>Surabaya</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Paisei</surname><given-names>E. A. W.</given-names></name><name name-style="western" xml:lang="en"><surname>Paisei</surname><given-names>E. A. W.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Surabaya</p></bio><bio xml:lang="en"><p>Surabaya</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Pujiyanto</surname><given-names>.</given-names></name><name name-style="western" xml:lang="en"><surname>Pujiyanto</surname><given-names>.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Surabaya</p></bio><bio xml:lang="en"><p>Surabaya</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Anuar</surname><given-names>Nasrul</given-names></name><name name-style="western" xml:lang="en"><surname>Anuar</surname><given-names>Nasrul</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kuala Lumpur</p></bio><bio xml:lang="en"><p>Kuala Lumpur</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Airlangga University<country>Индонезия</country></aff><aff xml:lang="en">Airlangga University<country>Indonesia</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Universiti Malaya<country>Малайзия</country></aff><aff xml:lang="en">Universiti Malaya<country>Malaysia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>09</day><month>05</month><year>2023</year></pub-date><volume>12</volume><issue>1</issue><fpage>14</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Permatasari P.А., Astuti S.D., Yaqubi A.K., Paisei E.A., Pujiyanto .., Anuar N., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Permatasari P.А., Astuti S.D., Yaqubi A.K., Paisei E.A., Pujiyanto .., Anuar N.</copyright-holder><copyright-holder xml:lang="en">Permatasari P.A., Astuti S.D., Yaqubi A.K., Paisei E.A., Pujiyanto .., Anuar N.</copyright-holder><license 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.pdt-journal.com/jour/article/view/579">https://www.pdt-journal.com/jour/article/view/579</self-uri><abstract><p>Изучена фотодинамическая активность фотосенсибилизатора хлорофилла листьев катука в отношении биопленки Aggregatibacter actinomycetemcomitans и Enterococcus faecalis. В качестве источника света был использован красный и синий диодный лазер. В исследование были четыре группы: группа отрицательного контроля, группа положительного контроля, группа обработки синим лазером (B) и группа обработки красным лазером (R), как с добавлением, так и без добавления хлорофилла листьев катука в концентрации 1,6 мг/мл, а также при различной плотности энергии лазерного излучения: 2,5 Дж/см2, 5 Дж/см2, 7,5 Дж/см2 и 10 Дж/см2. Эффективность воздействия оценивали с помощью ELISA и ANOVA. Наибольшая эффективность была зарегистрирована во всех режимах воздействия (красный/синий лазер, без/с хлорофиллом) при плотности энергии 10 Дж/см2. В биопленке Aggregatibacter actinomycetemcomitans в контрольных группах (только облучение) эффективность составила 73,30% при использовании синего диодного лазера и 63,25% при использовании красного диодного лазера, а в опытных группах эффективность составила 86,12% при использовании синего диодного лазера и 83,29% при использовании красного диодного лазера. В биопленке Enterococcus faecalis в контрольных группах эффективность составила 67,78% при использовании синего диодного лазера и 75,33% при использовании красного диодного лазера, а в опытных группах эффективность составила 71,71% при использовании синего диодного лазера и 86,41% с использованием красного диодного лазера. Таким образом, сделан вывод, что воздействие синего и красного диодных лазеров активирует хлорофилл в листьях катука, обладая бактерицидным действием бактерии и уменьшая биопленки.</p></abstract><trans-abstract xml:lang="en"><p>In this study, the efficacy of using Sauropus androgynus (L) Merr, a katuk leaf chlorophyll photosensitizer, to reduce Aggregatibacter actinomycetemcomitans and Enterococcus faecalis biofilm was investigated. A red and blue diode laser is used as the light source. The sample was split into four groups: a negative control group, a positive control group, a blue laser treatment group (B), and a red laser treatment group (R), both with and without the addition of katuk leaf chlorophyll 1.6 mg/ml, and with varying densities of laser energy exposure of 2.5 J/cm2, 5 J/cm2, 7.5 J/cm2, and 10 J/cm2. Laser exposure and chlorophyll photosensitizer were tested using ELISA and ANOVA. At an energy density of 10 J/cm2, the optimal bacterial mortality rate was obtained in each treatment group. Namely, in the Aggregatibacter actinomycetemcomitans biofilm, the negative group, the number of deaths was 73.30% using a blue diode laser and 63.25% using a red diode laser. In the positive group, the number of deaths was 86.12% using a blue diode laser and 83.29% using a red diode laser. In the Enterococcus faecalis biofilm, in the negative group, the number of deaths was 67.78% using the blue diode laser and 75.33% using the red diode laser, and in the positive group, the number of deaths was 71.71% using the blue diode laser and 86.41 using a red diode laser. Exposure to blue and red diode lasers activates chlorophyll in katuk leaves, killing bacteria and reducing biofilms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фотоинактивация</kwd><kwd>синий и красный диодный лазер</kwd><kwd>хлорофилл листьев катука (Sauropus androgynus (L) Merr)</kwd><kwd>Aggregatibacter actinomycetemcomitans</kwd><kwd>Enterococcus faecalis</kwd></kwd-group><kwd-group xml:lang="en"><kwd>photoinactivation</kwd><kwd>blue and red diode laser</kwd><kwd>katuk leaf chlorophyll (Sauropus androgynus (L) Merr)</kwd><kwd>Aggregatibacter actinomycetemcomitans</kwd><kwd>Enterococcus faecalis</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">Wibawa I.G.Y. et al. 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