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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-781</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>ИК-СПЕКТРОСКОПИЧЕСКИЙ АНАЛИЗ ВНЕШНЕЙ ПОВЕРХНОСТИ КЛЕТОЧНОЙ СТЕНКИ Candida albicans С ИСПОЛЬЗОВАНИЕМ МЕТОДА ФУНКЦИОНАЛЬНО-УСИЛЕННОЙ ПРОИЗВОДНОЙ</article-title><trans-title-group xml:lang="en"><trans-title>MID-INFRARED VIBRATIONAL SPECTRUM CHARACTERIZATION OF THE OUTER SURFACE OF Candida albicans BY FUNCTIONALLY ENHANCED DERIVATIVE SPECTROSCOPY</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>Palencia</surname><given-names>S. L.</given-names></name><name name-style="western" xml:lang="en"><surname>Palencia</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Консепсьон, Чили;</p><p>Mindtech s.a.s., Кали, Колумбия</p></bio><bio xml:lang="en"><p>Concepción – Chile;</p><p>Cali – Colombia</p></bio><email xlink:type="simple">sixta.palencia3004@gmail.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>García</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>García</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Консепсьон</p></bio><bio xml:lang="en"><p>Concepción – Chile</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>Palencia</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Palencia</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кали</p></bio><bio xml:lang="en"><p>Cali – Colombia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Консепсьон;&#13;
Исследовательская группа Mindtech (Mindtech-RG)</institution></aff><aff xml:lang="en"><institution>Laboratory of Bacterial Pathogenicity, Department of Microbiology,Faculty of Biological Sciences, Universidad de Concepción;&#13;
Microbiology and Bioengineering Division, Mindtech Research Group (Mindtech-RG), Mindtech s.a.s.</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Консепсьон</institution></aff><aff xml:lang="en"><institution>Laboratory of Bacterial Pathogenicity, Department of Microbiology,Faculty of Biological Sciences, Universidad de Concepción</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Университет дель Валле</institution></aff><aff xml:lang="en"><institution>Research Group in Science with Technological Applications (GI-CAT), Department of Chemistry, Faculty of Natural and Exact Sciences, Universidad del Valle</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>01</month><year>2021</year></pub-date><volume>88</volume><issue>1</issue><elocation-id>167(1)-167(15)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Palencia S.L., García A., Palencia M., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Palencia S.L., García A., Palencia M.</copyright-holder><copyright-holder xml:lang="en">Palencia S.L., García A., Palencia M.</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/781">https://zhps.ejournal.by/jour/article/view/781</self-uri><abstract><p>Оценена способность алгоритма функционально-усиленной производной спектроскопии (FEDS) характеризовать поверхность микроорганизмов, а именно Candida albicans, с помощью спектроскопии среднего ИК-диапазона и сенсоров на основе целлюлозы. Работа является ключевой в изучении межклеточных и клеточно-поверхностных взаимодействий микроорганизмов и включает в себя изучение полимикробных биопленок. Грибок C. albicans выбран в качестве модели микроорганизма из-за его важности в медицинской науке и для здоровья человека. Спектры в диапазоне 4000–500 см–1 зарегистрированы методом нарушенного полного отражения в трех повторениях. В случае биопленок C. albicans с помощью FEDS можно деконволюционировать сигналы и добиться их улучшенной дифференциации. Серин, треонин, глицин, аланин, глутаминовая кислота, пролин и N-ацетил-D-глюкозамин взяты в качестве молекулярных моделей при анализе спектров, поскольку считаются основными компонентами клеточной стенки C. albicans. Показано, что колебательный спектр биопленок C. albicans можно изучать, рассматривая только основные компоненты клеточной стенки.</p></abstract><trans-abstract xml:lang="en"><p>The objective of this work was to evaluate the ability of the functionally enhanced derivative spectroscopy (FEDS) algorithm to characterize the surface of microorganisms, namely, Candida albicans, by mid-IR spectroscopy and with the cellulose sensing surface technique. This work is a key stage in the study of cellcell and cell-surface interactions between microorganisms, including the study of polymicrobial biofilms. Accordingly, C. albicans was selected as a microorganism model due to its importance in medical science and human health. Spectra were recorded in triplicate from 4000 to 500 cm–1 by the ATR technique. It was concluded that the FEDS transform of the mid-IR spectrum is a powerful analytical tool to improve spectral analysis by IR spectroscopy. In the particular case of C. albicans biofilms, it was observed that by FEDS, it is possible to deconvolute signals and achieve improved signal differentiation. For interpretation, serine, threonine, glycine, alanine, glutamic acid, proline, and N-acetyl-D-glucosamine units were taken as molecular models since these molecules have been described as the main components in the cell wall of C. albicans. In this way, it was found that the vibrational spectrum of C. albicans biofilms can be understood considering only the main components of the cell wall.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Candida albicans</kwd><kwd>спектр среднего ИК-диапазона</kwd><kwd>биопленка</kwd><kwd>преобразование с использованием алгоритма функционально-усиленной производной спектроскопии (FEDS)</kwd><kwd>чувствительная поверхность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Candida albicans</kwd><kwd>mid-IR spectrum</kwd><kwd>biofilm</kwd><kwd>FEDS transform</kwd><kwd>sensing surface</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">J. M. Hornby, E. C. Jensen, A. D. Lisec, J. J. Tasto, B. Jahnke, R. Shoemaker, P. Dussault, K. W. Nickerson, Appl. Environ. Microbiol., 67, 2982–2992 (2001).</mixed-citation><mixed-citation xml:lang="en">J. M. Hornby, E. C. Jensen, A. D. Lisec, J. J. 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