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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-941</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Метод непрерывного вейвлет-преобразования для одновременного определения аторвастатина и розувастатина в комбинированных фармацевтических препаратах</article-title><trans-title-group xml:lang="en"><trans-title>Continuous wavelet transform for simultaneous determination of atorvastatin and rosuvastatin in combined pharmaceutical formulations</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>Dastaran</surname><given-names>R.</given-names></name><name name-style="western" xml:lang="en"><surname>Dastaran</surname><given-names>R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Йезд</p></bio><bio xml:lang="en"><p>Yazd</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>Sheibani</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheibani</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Йезд</p></bio><bio xml:lang="en"><p>Yazd</p></bio><email xlink:type="simple">sheibani@iauyazd.ac.ir</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>Reza Shishehbore</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Reza Shishehbore</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Йезд</p></bio><bio xml:lang="en"><p>Yazd</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>Saeedi-Sourck</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Saeedi-Sourck</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Йезд</p></bio><bio xml:lang="en"><p>Yazd</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Исламский университет Азад</institution></aff><aff xml:lang="en"><institution>Department of Chemistry, Yazd Branch, Islamic Azad University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Йезда</institution></aff><aff xml:lang="en"><institution>Department of Electrical Engineering, Yazd University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>11</month><year>2021</year></pub-date><volume>88</volume><issue>6</issue><fpage>927</fpage><lpage>932</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Dastaran R., Sheibani A., Reza Shishehbore M., Saeedi-Sourck H., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Dastaran R., Sheibani A., Reza Shishehbore M., Saeedi-Sourck H.</copyright-holder><copyright-holder xml:lang="en">Dastaran R., Sheibani A., Reza Shishehbore M., Saeedi-Sourck H.</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/941">https://zhps.ejournal.by/jour/article/view/941</self-uri><abstract><p>Описана комбинация непрерывного вейвлет-преобразования (CWT) с переходом через 0 и обработкой спектральных соотношений для одновременного определения аторвастатина (AT) и розувастатина (RVS). Установлено, что вейвлет-семейства meyer-CWT и Gaus8-CWT подходят для спектрального анализа исходных перекрывающихся сигналов, Morl-CWT и fk8-CWT применимы для анализа сигналов спектров отношений AT/RVS и RVS/AT. Калибровочные кривые для AT и RVS получены для рабочих диапазонов концентраций 5–25 и 10–30 мкг/мл. Применимость предложенных методов обработки сигналов успешно протестирована для одновременного обнаружения AT и RVS в комбинированных дозированных препаратах (без первичного разделения). Подход CWT также имеет хорошие аналитические параметры (прецизионность, точность и предел обнаружения) для регулирования качества и состава обоих препаратов. Результаты предложенного метода согласуются с полученными с помощью высокоэффективной жидкостной хроматографии. </p></abstract><trans-abstract xml:lang="en"><p>The combination of continuous wavelet transforms (CWT) with zero-crossing strategy and spectral ratio treatment was described for simultaneous determination of atorvastatin (AT) and rosuvastatin (RVS). Meyer-CWT and Gaus8-CWT of wavelet families were found to be appropriate for spectral analyses of original overlapping signals. Also, it was established that Morl-CWT and fk8-CWT were applicable to signal analysis of the ratio spectra of AT/RVS and RVS/AT. The calibration graphs of CWT methods for AT and RVS were obtained from the working concentration ranges of 5–25 and 10–30 µg/mL, respectively. The applicability of proposed signal processing methods was successfully tested for simultaneous detection of the AT and RVS in combination dosage formulations (without a primary separation). The CWT approach also stayed within good analytical parameters (precision, accuracy, and detection limit) for the management of quality and routine analyses of both drugs in comparison with derivative procedure. The results of proposed method were in agreement with those obtained from HPLC. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>аторвастатин</kwd><kwd>розувастатин</kwd><kwd>непрерывное вейвлет-преобразование</kwd><kwd>обработка сигналов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>atorvastatin</kwd><kwd>rosuvastatin</kwd><kwd>continuous wavelet transform</kwd><kwd>signal processing</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was financially supported by Islamic Azad University (IAU), Yazd Branch, Yazd, Iran.</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">P. Jones, S. Kafonek, I. Laurora, D. Hunninghake, Am. 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