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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">54215</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>БИООРГАНИЧЕСКАЯ, БИОФИЗИЧЕСКАЯ И МЕДИЦИНСКАЯ ХИМИЯ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>BIOORGANIC, BIOPHYSICAL AND MEDICINAL CHEMISTRY</subject>
    </subj-group>
    <subj-group>
     <subject>БИООРГАНИЧЕСКАЯ, БИОФИЗИЧЕСКАЯ И МЕДИЦИНСКАЯ ХИМИЯ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Possibilities of application of IR spectroscopy of saliva for monitoring chronophysiological features</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Возможности применения ИК-спектроскопии слюны для мониторинга хронофизиологических особенностей</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Бельская</surname>
       <given-names>Л В</given-names>
      </name>
      <name xml:lang="en">
       <surname>Bel’skaya</surname>
       <given-names>L V</given-names>
      </name>
     </name-alternatives>
     <email>Ludab2005@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Омский государственный технический университет</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Omsk State Technical University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2017-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2017</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2017-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2017</year>
   </pub-date>
   <volume>2</volume>
   <issue>1</issue>
   <fpage>450</fpage>
   <lpage>453</lpage>
   <history>
    <date date-type="received" iso-8601-date="2017-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2017</year>
    </date>
    <date date-type="accepted" iso-8601-date="2017-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2017</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54215/view">https://rusjbpc.ru/en/nauka/article/54215/view</self-uri>
   <abstract xml:lang="ru">
    <p>Приведено сопоставление биохимического состава слюны и интенсивности полос поглощения на ИК-спектрах образцов, полученных в течение суток с интервалом 3 часа. Показано, что ИК-спектры образцов, полученных в дневное и ночное время, существенно отличаются. Так, в дневное время повышается интенсивность полос, соответствующих сахарам и аминокислотным остаткам, но уменьшается интенсивность поглощения липидов и свободных аминогрупп. При этом в дневное время статистически достоверно выше уровень рН и скорость саливации, однако ниже содержание белка и коэффициентов Ca/P и Na/K. Расчет коэффициентов корреляции по Спирмену подтвердил наличие корреляции между содержанием белка в слюне и интенсивностью полос поглощения, соответствующих аминокислотным остаткам и свободным аминогруппам. Таким образом, метод ИК-спектроскопии можно применять для выявления околосуточных изменений состава биологических жидкостей, в частности слюны.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>A comparison of the biochemical composition of saliva and the intensity of absorption bands on the IR spectra of samples obtained during the day with an interval of 3 hours is given. It is shown that the IR spectra of samples obtained in the daytime and at night are significantly different. Thus, in the daytime, the intensity of bands corresponding to sugars and amino acid residues increases, but the intensity of absorption of lipids and free amino groups decreases. At the same time in the daytime, the pH and salivation rate are statistically significantly higher, however, the protein content and the coefficients of Ca / P and Na / K are lower. The calculation of the Spearman correlation coefficients confirmed the correlation between protein content in saliva and the intensity of absorption bands corresponding to amino acid residues and free amino groups. Thus, IR spectroscopy can be used to detect diurnal changes in the composition of biological fluids, in particular saliva.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>слюна</kwd>
    <kwd>инфракрасная спектроскопия</kwd>
    <kwd>биохимический состав</kwd>
    <kwd>околосуточная динамика</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>saliva</kwd>
    <kwd>infrared spectroscopy</kwd>
    <kwd>biochemical composition</kwd>
    <kwd>daily dynamics</kwd>
   </kwd-group>
  </article-meta>
 </front>
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