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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-2381</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Разработка и валидация спектрофлуориметрического метода определения микофенолата мофетила в нерасфасованном виде и лекарственных формах</article-title><trans-title-group xml:lang="en"><trans-title>Development and Validation of a Spectrofluorimetric Method for Estimation of Mycophenolate Mofetil in Bulk and in Formulation</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>Шарма</surname><given-names>П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharma</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский институт фармацевтических наук; Центр передовых исследований UGC</p><p>Чандигарх</p></bio><bio xml:lang="en"><p>Priyanshi Sharma</p><p>University Institute of Pharmaceutical Sciences; UGC Center of Advanced Study</p><p>Chandigarh</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>Бали</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Bali</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский институт фармацевтических наук; Центр передовых исследований UGC</p><p>Чандигарх</p></bio><bio xml:lang="en"><p>Alka Bali</p><p>University Institute of Pharmaceutical Sciences; UGC Center of Advanced Study</p><p>Chandigarh</p></bio><email xlink:type="simple">alka.bali@rediffmail.com</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>Деврао</surname><given-names>К. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Devrao</surname><given-names>K. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский институт фармацевтических наук; Центр передовых исследований UGC</p><p>Чандигарх</p></bio><bio xml:lang="en"><p>Kanade Krushna Devrao</p><p>University Institute of Pharmaceutical Sciences; UGC Center of Advanced Study</p><p>Chandigarh</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пенджабский университет</institution><country>Индия</country></aff><aff xml:lang="en"><institution>Panjab University</institution><country>India</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>10</day><month>09</month><year>2026</year></pub-date><volume>93</volume><issue>3</issue><fpage>443</fpage><lpage>8</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шарма П., Бали A., Деврао К.К., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шарма П., Бали A., Деврао К.К.</copyright-holder><copyright-holder xml:lang="en">Sharma P., Bali A., Devrao K.K.</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://zhps.ejournal.by/jour/article/view/2381">https://zhps.ejournal.by/jour/article/view/2381</self-uri><abstract><p>   Предложены простые, экономичные и высокочувствительные спектрофлуориметрические методы определения иммуносупрессивного препарата микофенолата мофетила, основанные на собственной флуоресценции препарата в этаноле и щелочной среде. Установлено, что флуоресцентные характеристики препарата значительно различаются в этаноле (λex = 268 нм и λem = 426 нм) и NaOH (λex = 359 нм и λem = 434 нм). В соответствии с рекомендациями ICH проведена валидация методов и исследована деградация препарата под воздействием стрессовых факторов. Полученные показатели восстановления из подвергнутых стрессу образцов свидетельствуют о стабильности методов. Оба метода демонстрируют линейность при концентрациях 0.5–15.0 мкг/мл (этанол) и 0.1–8.0 мкг/мл (NaOH). Пределы обнаружения и количественного определения составили 0.52 и 1.57 мкг/мл (этанол), 0.02 и 0.07 мкг/мл (NaOH). Методы обеспечили превосходное извлечение микофенолата мофетила из доступной таблетированной формы, что делает возможным применение препарата для рутинного анализа как в чистом виде, так и в лекарственной форме.</p></abstract><trans-abstract xml:lang="en"><p>   Mycophenolate mofetil is an immunosuppressive agent approved by the Food and Drug Administration. The present report describes the validation of two simple, economical, and highly sensitive spectrofluorimetric methods based on the native fluorescence of the drug in ethanol and in alkaline medium. Fluorescence characteristics of the drug were found to significantly differ in absolute ethanol (λex = 268 nm and λem = 426 nm) and in NaOH (λex = 359 nm and λem = 434 nm). Both the methods were validated as per the ICH guidelines. Stress degradation studies were conducted on the drug as per the ICH guidelines and excellent recovery from the stressed samples suggested the stability-indicating nature of the methods. The two methods were found to be extremely sensitive, precise, and accurate, demonstrating excellent linearity in the concentration ranges 0.5–15.0 μg/mL (absolute ethanol) and 0.1–8.0 μg/mL (NaOH). The limit of detection and limit of quantitation values were found to be 0.52 and 1.57 µg/mL (absolute ethanol), and 0.02 and 0.07 µg/mL (NaOH), respectively. The proposed methods afforded excellent recovery of mycophenolate mofetil from its marketed tablet formulation, thus suggesting that these methods could be employed for routine analysis of the drug in bulk as well as in formulation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микофенолат мофетил</kwd><kwd>иммунодепрессант</kwd><kwd>спектрофлуориметрический метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mycophenolate mofetil</kwd><kwd>immunosuppressive agent</kwd><kwd>spectrofluorimetric method</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Эта работа была поддержана Комиссией по университетским грантам (UGC), Нью-Дели, Индия (Грант № 36/N/296)</funding-statement><funding-statement xml:lang="en">This work was supported by the University Grants Commission (UGC), New Delhi, India (Grant No. 36/N/296)</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">A. 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