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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-868</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>Прогнозирование наличия кофеина в таблетках, содержащих ацетилсалициловую кислоту, дипирон и парацетамол, с помощью спектров ближнего ИК-диапазона, комбинационного рассеяния и метода частичной регрессии наименьших квадратов</article-title><trans-title-group xml:lang="en"><trans-title>Prediction of caffeine in tablets containing acetylsalicylic acid, dipyrone, and paracetamol by near infrared spectroscopy, raman scattering, and partial least squares regression</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>Guio</surname><given-names>L. L. M.</given-names></name><name name-style="western" xml:lang="en"><surname>Guio</surname><given-names>L. L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CEP. 29106-010</p></bio><bio xml:lang="en"><p>Laboratory of Beer, Raw Materials and Essential Oils Analysis</p><p>CEP. 29106-010</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>Coutinho</surname><given-names>L. O.</given-names></name><name name-style="western" xml:lang="en"><surname>Coutinho</surname><given-names>L. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CEP. 29106-010</p></bio><bio xml:lang="en"><p>Laboratory of Beer, Raw Materials and Essential Oils Analysis</p><p>CEP. 29106-010</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>Cavalcante</surname><given-names>V.</given-names></name><name name-style="western" xml:lang="en"><surname>Cavalcante</surname><given-names>V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сан-Паулу, CEP. 05007-030</p></bio><bio xml:lang="en"><p>CEP. 05007-030, Sao Paolo</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>Ferreira</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Ferreira</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CEP. 29500-000</p></bio><bio xml:lang="en"><p>Genetics and Breending Laboratory</p><p>CEP. 29500-000</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>Amorim</surname><given-names>Z. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Amorim</surname><given-names>Z. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CEP. 29106-010</p></bio><bio xml:lang="en"><p>Laboratory of Beer, Raw Materials and Essential Oils Analysis</p><p>CEP. 29106-010</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>Ribeiro</surname><given-names>J. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Ribeiro</surname><given-names>J. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CEP. 29106-010</p></bio><bio xml:lang="en"><p>Laboratory of Beer, Raw Materials and Essential Oils Analysis</p><p>CEP. 29106-010</p></bio><email xlink:type="simple">julianoribeiro@ifes.edu.br</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный институт Эспириту-Санту – Кампус Вила-Велья</institution></aff><aff xml:lang="en"><institution>Federal Institute of Espirito Santo – Campus Vila Velha</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Центр аналитического оборудования Metrohm</institution></aff><aff xml:lang="en"><institution>Metrohm Brazil Analytical Instrumentation</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральный университет Эспириту-Санту – Кампус Алегри</institution></aff><aff xml:lang="en"><institution>Federal University of Espirito Santo – Campus Alegre</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>23</day><month>07</month><year>2021</year></pub-date><volume>88</volume><issue>4</issue><fpage>594</fpage><lpage>602</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Guio L.L., Coutinho L.O., Cavalcante V., Ferreira A., Amorim Z.B., Ribeiro J.S., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Guio L.L., Coutinho L.O., Cavalcante V., Ferreira A., Amorim Z.B., Ribeiro J.S.</copyright-holder><copyright-holder xml:lang="en">Guio L.L., Coutinho L.O., Cavalcante V., Ferreira A., Amorim Z.B., Ribeiro J.S.</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/868">https://zhps.ejournal.by/jour/article/view/868</self-uri><abstract><p>Две хемометрические модели, основанные на спектроскопии диффузного отражения в ближней инфракрасной области и комбинационного рассеяния света, предлагаются для прогнозирования наличия кофеина в таблетках, содержащих ацетилсалициловую кислоту, дипирон и парацетамол. Для создания моделей обычно требуется предварительное сравнение спектральных данных и эталонных значений, полученных с помощью аналитической методологии. Для построения надежной калибровочной модели необходимо одновременное применение обоих аналитических методов на нескольких образцах, что является ограничивающим фактором для широкого использования спектроскопии. Измельченные таблетки различных марок, содержащие только действующие вещества – ацетилсалициловую кислоту, дипирон или парацетамол – и вспомогательные вещества, допировали контролируемым количеством чистого кофеина в диапазоне 0–10 мас.% и использовали в качестве калибровочных образцов. Таким образом, количественного определения кофеина эталонным методом не потребовалось. Образцы для прогнозов содержали по крайней мере один из вышеупомянутых активных ингредиентов и кофеин. Концентрации кофеина (мас.%), используемые в качестве эталонов для этапов прогнозирования, рассчитаны на основе значений, представленных в описании лекарственного средства, и конечной массы таблетки. Регрессия частичных наименьших квадратов использовалась как многомерный метод для построения моделей. Модели прогнозирования, основанные на ближней ИК-спектроскопии и комбинационном рассеянии света, с использованием четырех латентных переменных для кофеина показали следующие результаты: среднеквадратичные ошибки перекрестной проверки 0.79 и 0.78, среднеквадратичные ошибки прогноза 0.74 и 1.00, коэффициенты корреляции 0.97 и 0.97.</p></abstract><trans-abstract xml:lang="en"><p>Two chemometric models drawing on diffuse reflectance near infrared spectroscopy and Raman scattering are proposed to predict caffeine content in tablets based on acetylsalicylic acid, dipyrone, and paracetamol contents. However, data mining from these analyses to create models generally requires a prior comparison between spectral data and the results from reference values obtained by analytical methodology. Therefore, the construction of a robust calibration model entails that both analytical methods are simultaneously employed on several samples, which represents a limiting factor for the widespread use of spectroscopy. In this case, grounded tablets of different brands, containing only the active principles acetylsalicylic acid, dipyrone, or paracetamol and their excipients, were doped with controlled amounts of pure caffeine ranging from 0 to 10%(w/w) and used as calibration samples. Thus, caffeine quantification with a reference method was not necessary. The prediction samples had at least one of the aforementioned active ingredients and caffeine in its original formulation. Hence, the %(w/w) values of caffeine used as reference for the prediction steps were calculated from the values described on the drug description leaflet and the tablet final mass. Partial least squares regression was used as a multivariate method to construct the models. The near infrared and Raman prediction models for caffeine, using four latent variables, presented the respective values of 0.79 and 0.78 of root mean square errors of cross validation, 0.74 and 1.00 of root mean square errors of prediction, and 0.97 and 0.97 of correlation coefficients.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кофеин</kwd><kwd>ацетилсалициловая кислота</kwd><kwd>дипирон</kwd><kwd>парацетамол</kwd><kwd>частичная регрессия наименьших квадратов</kwd><kwd>ближняя инфракрасная спектроскопия</kwd><kwd>комбинационное рассеяние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>caffeine</kwd><kwd>acetylsalicylic acid</kwd><kwd>dipyrone</kwd><kwd>paracetamol</kwd><kwd>partial least squares regression</kwd><kwd>near infrared spectroscopy</kwd><kwd>Raman scattering</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This study was partially funded by the Fundação de Amparo à Pesquisa e Inovação do Espírito Santo (FAPES). The authors are grateful to Ramon Azevedo Braz, Mayra Neres da Silva, Amanda Moura Dutra, Sofia Soares do Nascimento, and Yasmin Dilkin, who contributed to improve the quality of this work.</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">J. L. Temple, C. Bernard, S. E. Lipshultz, J. D. Czachor, J. A. Westphal, M. A. Mestre, Front. Psy., 8, 1–19 (2017).</mixed-citation><mixed-citation xml:lang="en">J. L. Temple, C. Bernard, S. E. Lipshultz, J. D. Czachor, J. A. Westphal, M. A. Mestre, Front. Psy., 8, 1–19 (2017).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">M. C. Cornelis, Nutrients, 11, 416–420 (2019).</mixed-citation><mixed-citation xml:lang="en">M. C. 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