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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2021-57-3-278-285</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-663</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>ФИЗИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Сорбция дипептидов и аминокислот ионитами</article-title><trans-title-group xml:lang="en"><trans-title>Sorption of peptides and amino acids by ion exchangers</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>Куваева</surname><given-names>З. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuvaeva</surname><given-names>Z. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куваева Зоя Ивановна – д-р хим. наук, профессор, зав. отделом</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Zoya I. Kuvaeva – D. Sc. (Chemistry), Professor. Head of the Department</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">lie@ifoch.bas-net.by</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>Каранкевич</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Karankevich</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каранкевич Елена Григорьевна – канд. хим. наук, зав. лаб. </p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Elena G. Karankevich – Ph. D. (Chemistry), Head of the Laboratory</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">extract@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физико-органической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>03</day><month>09</month><year>2021</year></pub-date><volume>57</volume><issue>3</issue><fpage>278</fpage><lpage>285</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Куваева З.И., Каранкевич Е.Г., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Куваева З.И., Каранкевич Е.Г.</copyright-holder><copyright-holder xml:lang="en">Kuvaeva Z.I., Karankevich E.G.</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://vestichem.belnauka.by/jour/article/view/663">https://vestichem.belnauka.by/jour/article/view/663</self-uri><abstract><p>Изучена сорбция дипептидов лейцилизолейцина, треонилтреонина и их мономерных аминокислот лейцина и треонина анионитом АВ-17 и катионитом КУ-2-8 в широком диапазоне равновесных концентраций. Показано, что наличие гидрофильных ОН-групп в молекуле треонина способствует сверхэквивалентной сорбции треонина на катионите. Наличие ОН-групп в боковой цепи дипептида практически не влияет на сорбцию на КУ-2-8. Сорбция дипептидов на АВ-17-8 выше по сравнению с их мономерными аминокислотами.</p></abstract><trans-abstract xml:lang="en"><p>Sorbtion of dipeptides leucylisoleucine, threonylthreonine and their monomeric amino acids leucine and threonine by anionite AV-17 and cationite KU-2-8 in a wide range of equilibrium concentrations has been studied. It was shown that the presence of hydrophilic OH-groups in the threonine molecule promotes superequivalent sorbtion of threonine on the cation exchanger. The presence of an OH-groups in the side chein of the dipeptide practically does not affect the sorbtion an KU-2-8. Sorbtion of dipeptides on AV-17-8 is higher in comparison with their monomeric amino acids.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сорбция</kwd><kwd>дипептид</kwd><kwd>аминокислота</kwd><kwd>анионит</kwd><kwd>катионит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sorbtion</kwd><kwd>dipeptide</kwd><kwd>amino acid</kwd><kwd>anion exchanger</kwd><kwd>cation exchanger</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">Демин, А. А. Ионообменная сорбция биологически активных веществ / А. А. Демин, И. А. Чернова, Л. К. Шатаева. – СПб.: Изд-во С.-Петерб. ун-та, 2008. – 154 с.</mixed-citation><mixed-citation xml:lang="en">Demin A. A., Chernova I. A., Shataeva L. KIon exchange sorption of biologically active substances. St. Petersburg, Publishing house of St. Petersburg University, 2008. 154 p. 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