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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-1239</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 УФ-спектрофотометрического метода определения рипасудила гидрохлорида гидрата в чистом виде и офтальмологических препаратах</article-title><trans-title-group xml:lang="en"><trans-title>Development and Validation of UV-Spectrophotometric Method Towards Determination of Ripasudil Hydrochloride Hydrate in Pure and Ophthalmic 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>Arora</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Arora</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</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>Nagaich</surname><given-names>U.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagaich</surname><given-names>U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</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>Pal</surname><given-names>D.</given-names></name><name name-style="western" xml:lang="en"><surname>Pal</surname><given-names>D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Биласпур, Чхаттисгарх</p></bio><bio xml:lang="en"><p>Bilaspur, Chhattisgarh</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Chaurasia</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Chaurasia</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарабад, Телангана</p></bio><bio xml:lang="en"><p>Hyderabad, Telangana</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Jain</surname><given-names>N.</given-names></name><name name-style="western" xml:lang="en"><surname>Jain</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</p></bio><email xlink:type="simple">njain1@amity.edu</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Фармацевтический институт Эмити Университета Эмити</institution></aff><aff xml:lang="en"><institution>Department of Pharmaceutics, Amity Institute of Pharmacy at Amity University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Гуру Гасидас Вишвавидьялайя</institution></aff><aff xml:lang="en"><institution>Guru Ghasidas Vishwavidyalaya (Central University)</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Ashland India Pvt Ltd.</institution></aff><aff xml:lang="en"><institution>Ashland India Pvt Ltd.</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2023</year></pub-date><volume>90</volume><issue>1</issue><fpage>125</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Arora A., Nagaich U., Pal D., Chaurasia S., Jain N., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Arora A., Nagaich U., Pal D., Chaurasia S., Jain N.</copyright-holder><copyright-holder xml:lang="en">Arora A., Nagaich U., Pal D., Chaurasia S., Jain N.</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/1239">https://zhps.ejournal.by/jour/article/view/1239</self-uri><abstract><p>Разработан УФ-спектрофотометрический метод количественного определения лекарственного средства для лечения глаукомы и глазной гипертензии рипасудила гидрохлорида гидрата в чистом виде и офтальмологических препаратах в соответствии с рекомендациями Международной конференции по гармонизации (ICH). До сих пор для определения рипасудила гидрохлорида гидрата в лекарственных формах и биологических жидкостях применяли только аналитический метод ВЭЖХ. Проведен скрининг системы растворителей, в которой гидрат рипасудила гидрохлорида может быть полностью солюбилизирован. Для приготовления раствора гидрата гидрохлорида рипасудила в качестве растворителя использована дистиллированная вода для ВЖЭХ. В спектре поглощения полученного раствора в УФ-диапазоне 200—400 нм для гидрата рипасудила гидрохлорида зарегистрирован максимум λmax = 278 нм. Закон Бера действует в диапазоне концентраций 10—50 мкг/мл. В соответствии с рекомендациями ICH проведена валидация разработанного метода. Получена линейность в диапазоне 10—50 мкг/мл с коэффициентом корреляции 0.9981. Предел обнаружения и предел количественного определения составляют 0.0785 и 0.2355 мкг/мл. Метод обладает хорошей повторяемостью и воспроизводимостью и может быть использован для регулярного исследования гидрата рипасудила гидрохлорида в чистом виде и офтальмологических препаратах. </p></abstract><trans-abstract xml:lang="en"><p>The goal of the present investigation was to develop and validate the UV-spectrophotometric technique for the quantitative estimation of ripasudil hydrochloride hydrate in pure and ophthalmic formulations. Ripasudil hydrochloride hydrate is a novel drug molecule that has been used to treat glaucoma and ocular hypertension. It was licensed for therapy in Japan for the first time in September 2014. Until now, only an HPLC analytical method for determining it in dosage forms and biological fluids has been disclosed. The objective of this research was to screen a solvent system in which ripasudil hydrochloride hydrate can be completely solubilized, then develop and validate a simple, accurate, precise, and cost-effective UV-spectrophotometric method for estimating ripasudil hydrochloride hydrate in the pure and ophthalmic formulations in accordance with International Conference on Harmonization (ICH) recommendations. The current method is simple, quick, accurate, precise, and cost-effective. Ripasudil hydrochloride hydrate is soluble in HPLC-grade distilled water, so it was used as a solvent to form the solution. The subsequent solution was scanned within the UV range (200–400 nm). The λmax of ripasudil hydrochloride hydrate was found to be 278 nm. Beer’s law is valid within the 10 to 50-µg/mL concentration range. The developed analytical approach was extensively validated as per ICH guidelines for linearity, accuracy, precision, robustness, detection limit, and quantitation limit. Linearity was obtained within the 10 to 50 µg/mL range with a correlation coefficient of 0.9981. Limit of detection and limit of quantitation were found to be 0.0785 and 0.2355 µg/mL. The technique presented good recovery and reproducibility; thus, the proposed technique might be employed for regular investigation of ripasudil hydrochloride hydrate in the pure and ophthalmic formulations. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>линейность</kwd><kwd>предел обнаружения</kwd><kwd>предел количественного определения</kwd><kwd>воспроизводимость</kwd><kwd>промежуточная точность</kwd><kwd>надежность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>linearity</kwd><kwd>LOD</kwd><kwd>LOQ</kwd><kwd>recovery</kwd><kwd>intermediate precision</kwd><kwd>robustness</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">M. Picollo, M. Aceto, T. Vitorino, Phys. Sci. 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