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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">kurskvest</journal-id><journal-title-group><journal-title xml:lang="ru">Человек и его здоровье</journal-title><trans-title-group xml:lang="en"><trans-title>Humans and their health</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5746</issn><issn pub-type="epub">1998-5754</issn><publisher><publisher-name>Kursk State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21626/vestnik/2026-1/07</article-id><article-id custom-type="edn" pub-id-type="custom">TEREGM</article-id><article-id custom-type="elpub" pub-id-type="custom">kurskvest-1549</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>ФАРМАЦЕВТИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHARMACEUTICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Разработка и валидация способа количественного определения ацикловира в новой противовирусной мази на основе тизоля геля</article-title><trans-title-group xml:lang="en"><trans-title>Development and validation of a method for quantitative determination of Acyclovir in a new antiviral ointment based on tizol gel</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8527-2966</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Копылова</surname><given-names>Анна Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Kopylova</surname><given-names>Anna I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. фарм. наук, ст. преподаватель кафедры химии, ТюмГМУ, г. Тюмень</p></bio><bio xml:lang="en"><p>Cand. Sci. (Pharm.), Senior Lecturer at the Department of Chemistry, TyumSMU, Tyumen, Russian Federation</p></bio><email xlink:type="simple">anyuta.zamaraeva@yandex.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/0009-0009-8702-9685</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ченуша</surname><given-names>Екатерина Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Chenusha</surname><given-names>Ekaterina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры химии, ТюмГМУ, г. Тюмень</p></bio><bio xml:lang="en"><p>Post-Graduate Student at the Department of Chemistry, TyumSMU, Tyumen, Russian Federation</p></bio><email xlink:type="simple">bulasheva.ekat@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1004-8721</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кобелева</surname><given-names>Татьяна Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Kobeleva</surname><given-names>Tatyana A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р фарм. наук, профессор, зав. кафедрой химии, ТюмГМУ, г. Тюмень</p></bio><bio xml:lang="en"><p>Dr. Sci. (Pharm.), Professor, Head of the Department of Chemistry, TyumSMU, Tyumen, Russian Federation</p></bio><email xlink:type="simple">kobeleva@tyumsmu.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/0000-0002-2200-7807</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сичко</surname><given-names>Алик Иванович</given-names></name><name name-style="western" xml:lang="en"><surname>Sichko</surname><given-names>Alik I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р фарм. наук, профессор, профессор кафедры химии, ТюмГМУ, г. Тюмень</p></bio><bio xml:lang="en"><p>Dr. Sci. (Pharm.), Professor, Professor at the Department of Chemistry, TyumSMU, Tyumen, Russian Federation</p></bio><email xlink:type="simple">sichko@tyumsmu.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/0000-0002-3690-2685</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попова</surname><given-names>Марина Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>Marina I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. фарм. наук, ст. преподаватель кафедры химии, ТюмГМУ, г. Тюмень</p></bio><bio xml:lang="en"><p>Cand. Sci. (Pharm.), Senior Lecturer at the Department of Chemistry, TyumSMU, Tyumen, Russian Federation</p></bio><email xlink:type="simple">popovami@tyumsmu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский государственный медицинский университет (ТюмГМУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen State Medical University (TyumSMU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>19</day><month>05</month><year>2026</year></pub-date><volume>29</volume><issue>1</issue><fpage>63</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Копылова А.И., Ченуша Е.С., Кобелева Т.А., Сичко А.И., Попова М.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Копылова А.И., Ченуша Е.С., Кобелева Т.А., Сичко А.И., Попова М.И.</copyright-holder><copyright-holder xml:lang="en">Kopylova A.I., Chenusha E.S., Kobeleva T.A., Sichko A.I., Popova M.I.</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.kursk-vestnik.ru/jour/article/view/1549">https://www.kursk-vestnik.ru/jour/article/view/1549</self-uri><abstract><p>Низкая проникающая способность противовирусных препаратов с ацикловиром через кожный барьер является одной из причин их ограниченной эффективности. Поэтому перспективным направлением фармацевтической разработки становятся новые лекарственные формы с улучшенной биодоступностью, такие как мази на основе тизоля геля. Необходимым условием при создании и внедрении новых препаратов в медицинскую практику является наличие валидированных методик контроля качества. Цель - разработка спектрофотометрического способа количественного определения ацикловира в мази «Ациклозоль», изготовленной на тизоле геле. Материалы и методы. Анализ проводили, используя субстанцию ацикловира, тизоль гель, мазь «Ациклозоль» (0,5 г противовирусного средства в 9,5 г тизоля геля). Для осуществления исследований применяли спектрофотометрию в ультрафиолетовой области, используя спектрофотометр СФ-2000. Валидацию методики осуществляли согласно Государственной Фармакопее Российской Федерации XV издания, ОФС.1.1.0012. Результаты. В ходе регистрации спектров поглощения ацикловира установлено, что спектрофотометрическое определение противовирусного средства следует проводить при длине волны 253 нм. Подтверждена линейная зависимость между концентрацией ацикловира и оптической плотностью. Рассчитано уравнение градуировочного графика. Содержание ацикловира в мягкой лекарственной форме «Ациклозоль» находится в пределах 0,4897-0,5375 г. Относительная ошибка анализа составляет не более±1,87%. Предложенная методика количественного анализа ацикловира является валидной по параметрам - специфичность, правильность, прецизионность и линейность в аналитической области. Заключение. С применением метода УФ-спектрофотометрии разработан и валидирован способ оценки количественного содержания ацикловира в новой противовирусной мази, изготовленной на основе тизоля геля.</p></abstract><trans-abstract xml:lang="en"><p>The low penetrating ability of antiviral drugs with acyclovir through the skin barrier is one of the reasons for their limited effectiveness. Therefore, new dosage forms with improved bioavailability, such as ointments based on tizol gel, are becoming a promising area of pharmaceutical development. A prerequisite for the creation and introduction of new drugs into medical practice is the availability of validated quality control methods. Objective - to develop a spectrophotometric method for the quantitative determination of acyclovir in the ointment "Acyclozol", made on tizol gel. Materials and methods. The analysis was performed using acyclovir substance, tizol gel, Aciclozol ointment (0.5 g of antiviral agent in 9.5 g of tizol gel). To carry out the research, spectrophotometry in the ultraviolet region was used using an SF-2000 spectrophotometer. The validation of the methodology was carried out in accordance with the State Pharmacopoeia of the Russian Federation XV edition, OFS.1.1.0012. Results. During the registration of acyclovir absorption spectra, it was found that the spectrophotometric determination of the antiviral agent should be carried out at a wavelength of 253 nm. The linear relationship between acyclovir concentration and optical density has been confirmed. The equation of the calibration graph is calculated. The content of acyclovir in the mild dosage form of "Acyclozol" is in the range of 0.4897-0.5375 g. The relative error of the analysis is not more than ± 1.87%. The proposed method of quantitative analysis of acyclovir is valid in terms of parameters - specificity, accuracy, precision and linearity in the analytical field. Conclusion. Using UV spectrophotometry, a method for estimating the quantitative content of acyclovir in a new antiviral ointment based on tizol gel has been developed and validated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ацикловир</kwd><kwd>тизоль гель</kwd><kwd>спектрофотометрия</kwd><kwd>количественный анализ</kwd><kwd>валидация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acyclovir</kwd><kwd>tizol gel</kwd><kwd>spectrophotometry</kwd><kwd>quantitative analysis</kwd><kwd>validation</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">Schalkwijk H.H., Snoeck R., Andrei, G. Acyclovir resistance in herpes simplex viruses: Prevalence and therapeutic alternatives. Biochemical pharmacology. 2022;206:115322. DOI: 10.1016/j.bcp.2022.115322.</mixed-citation><mixed-citation xml:lang="en">Schalkwijk H.H., Snoeck R., Andrei, G. 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