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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-746</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>Применение ИК-спектра фенилаланина для определения фенилкетонурии</article-title><trans-title-group xml:lang="en"><trans-title>Study of phenylalanine NIR spectra for phenylketonuria determination</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>Dekel</surname><given-names>B. Z.</given-names></name><name name-style="western" xml:lang="en"><surname>Dekel</surname><given-names>B. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эмек Хефер.</p></bio><bio xml:lang="en"><p>EmekHefer.</p></bio><email xlink:type="simple">benziond@ruppin.ac.il</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>Cohen</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Cohen</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>101000, Москва.</p></bio><bio xml:lang="en"><p>101000 Moscow.</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>Feldman</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Feldman</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хадера.</p></bio><bio xml:lang="en"><p>Hadera.</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Инженерная школа Академического центра Руппина</institution></aff><aff xml:lang="en"><institution>Ruppin Academic Center, Engineering School at Medical Engineering Department</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Школа Московского института электроники и математики (МИЭМ) Национального исследовательского университета “Высшая школа экономики”</institution></aff><aff xml:lang="en"><institution>School of Electronic Engineering Institute of Electronics and Mathematics (MIEM HSE) at National Research University Higher School of Economics</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Медицинский центр Хиллель Яффе</institution></aff><aff xml:lang="en"><institution>Hillel Yaffe Medical Center at Newborn and Neonatal Care Department</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>29</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>6</issue><elocation-id>1022(1)-1022(6)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Dekel B.Z., Cohen Y., Feldman M., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Dekel B.Z., Cohen Y., Feldman M.</copyright-holder><copyright-holder xml:lang="en">Dekel B.Z., Cohen Y., Feldman 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/746">https://zhps.ejournal.by/jour/article/view/746</self-uri><abstract><p>Изучены спектроскопические характеристики фенилаланина в ближнем ИК-диапазоне спектра с целью разработки метода in vivo для определения фенилаланина в крови новорожденных. Первые шаги в этом исследовании включают в себя эксперименты in vitro со смесями фенилаланина, физиологического раствора и цельной крови. Получены полосы поглощения в ближней ИК-области, соответствующие обертонам CH, NH и OH в диапазоне 1400—1700 нм, которые вместе с линиями поглощения меланина в видимой области демонстрируют возможности спектроскопии видимого/ИК-диапазонов в качестве недорогой, неинвазивной, быстрой и точной альтернативы рутинным методам диагностики фенилкетонурии.</p></abstract><trans-abstract xml:lang="en"><p>The aim of this study is to investigate the spectroscopic characteristics of phenylalanine in the NIR spectral range as a preliminary step towards the development of an in vivo method for the determination of phenylalanine in the blood of newborn babies. The first steps in this study included in vitro experiments with mixtures of phenylalanine, saline, and whole blood. Results showed absorption bands in the NIR spectral range that are assigned to overtones of C-H, N-H, and O-H in the range of 1400 to 1700 nm, which together with the melanin absorption lines in the visible spectra range, demonstrate the potential of NIR/VIS spectroscopy as an inexpensive, non-invasive, rapid, and accurate alternative to routine methods for determining of phenylketonuria.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спектроскопия ближнего ИК-диапазона</kwd><kwd>фенилкетонурия</kwd><kwd>фенилаланин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Near infrared spectroscopy</kwd><kwd>phenylketonuria</kwd><kwd>phenylalanine</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors thank the students Mrs. Rachel Cohen and Mr. Barak Fidelman for their contribution to this project.</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. 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