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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-2096</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>Производные спектрофотометрические методы оценки содержания сератродаста в нерасфасованном виде и таблетированной форме</article-title><trans-title-group xml:lang="en"><trans-title>Derivative Spectrophotometric Methods for Estimation of Seratrodast 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>Devrao</surname><given-names>K. K.</given-names></name><name name-style="western" xml:lang="en"><surname>Devrao</surname><given-names>Kanade Krushna</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр перспективных исследований </p><p>Чандигарх</p></bio><bio xml:lang="en"><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>Bali</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bali</surname><given-names>Alka</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр перспективных исследований </p><p>Чандигарх</p></bio><bio xml:lang="en"><p>University Institute of Pharmaceutical Sciences, UGC Center of Advanced Study</p><p>Chandigarh</p><p> </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>Sharma</surname><given-names>P.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharma</surname><given-names>Priyanshi</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр перспективных исследований</p><p>Чандигарх</p></bio><bio xml:lang="en"><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>Университет Пенджаба</institution></aff><aff xml:lang="en"><institution>Panjab University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2026</year></pub-date><volume>93</volume><issue>1</issue><fpage>143</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Devrao K.K., Bali А., Sharma P., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Devrao K.K., Bali А., Sharma P.</copyright-holder><copyright-holder xml:lang="en">Devrao K.K., Bali A., Sharma P.</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/2096">https://zhps.ejournal.by/jour/article/view/2096</self-uri><abstract><p>Сератродаст является производным 1,4-бензохинона, относящимся к классу антагонистов рецепторов тромбоксана А2 (TXA2), и применяется для профилактического лечения астмы. Предложены спектрофотометрические методы с производными нулевого, первого и второго порядков для оценки сератродаста в нерасфасованном виде и таблетированной форме. Проведен спектрофотометрический анализ препарата с использованием 23 параметрических вариаций, оцененных в ацетонитриле. Три метода оценены на стабильность, что указывает на потенциал в отношении растворов препарата, подвергшихся стрессовой деградации. Разработанные методы валидированы в отношении линейности, точности, прецизионности и надежности. Линейность наблюдалась в диапазоне концентраций 5.0–50.0 мкг/мл с коэффициентами корреляции &gt;0.999, пределы обнаружения составили 0.54–0.70 мкг/мл, пределы количественного определения 1.66–2.14 мкг/мл. Предложенные методы использованы для количественного определения сератродаста в его коммерческой форме в виде таблеток. Получены хорошие показатели извлечения от 96.23 до 98.68%.</p></abstract><trans-abstract xml:lang="en"><p>Seratrodast is a 1,4-benzoquinone derivative belonging to the class of thromboxane A2 (TXA2) receptor antagonists and is employed for prophylactic management of asthma. The present report describes the validation of quick, simple, sensitive, and cost-effective zero-order, first-order, and second-order derivative spectrophotometric methods for the estimation of seratrodast in bulk and in its marketed tablet formulation. Exhaustive spectrophotometric analysis of the drug was carried out using a total of 23 parametric variations, which were evaluated in acetonitrile. Three selected method variants were assessed for their stability, indicating potential regarding stress-degraded solutions of the drug. The developed methods were validated with respect to linearity, accuracy, precision, and robustness. Excellent linearity was observed in the concentration range of 5.0–50.0 μg/mL with correlation coefficients above 0.999. The limits of detection were found to range from 0.54 to 0.70 µg/mL, and quantitation limits ranged from 1.66 to 2.14 μg/mL for the proposed method variants. The proposed methods were also employed for the assay of seratrodast in its marketed tablet formulation, and good recoveries ranging from 96.23 to 98.68% were obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сератродаст</kwd><kwd>спектрофотометрия</kwd><kwd>валидация метода</kwd><kwd>производная спектрофотометрия</kwd><kwd>первая производная</kwd><kwd>вторая производная</kwd><kwd>анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>seratrodast</kwd><kwd>spectrophotometric</kwd><kwd>method validation</kwd><kwd>derivative spectrophotometry</kwd><kwd>first derivative</kwd><kwd>second derivative</kwd><kwd>analysis</kwd></kwd-group><funding-group><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">E. E. 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