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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">vedomostiregmed</journal-id><journal-title-group><journal-title xml:lang="ru">Регуляторные исследования и экспертиза лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Regulatory Research and Medicine Evaluation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3034-3062</issn><issn pub-type="epub">3034-3453</issn><publisher><publisher-name>Federal State Budgetary Institution ‘Scientific Centre for Expert Evaluation of Medicinal Products’ of the Ministry of Health of the Russian Federation (FSBI ‘SCEEMP’)</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vedomostiregmed-123</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>Методология экспертизы средств медицинского применения</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODOLOGY OF EXPERT EVALUATION OF MEDICINES</subject></subj-group></article-categories><title-group><article-title>Применение хроматографии гидрофильных взаимодействий для разделения гидроксикарбамида и мочевины</article-title><trans-title-group xml:lang="en"><trans-title>Hydrophylic interaction chromatography used for separation of hydroxycarbamide and urea</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>Осипов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Osipov</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Попова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>O. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Ларионова</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Larionova</surname><given-names>S. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Тимошина</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Timoshina</surname><given-names>E. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научный центр экспертизы средств медицинского применения</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Centre for Expert Evaluation of Medicinal Products</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>13</day><month>02</month><year>2018</year></pub-date><volume>7</volume><issue>2</issue><fpage>81</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Осипов А.С., Попова О.А., Ларионова С.Г., Тимошина Е.Ю., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Осипов А.С., Попова О.А., Ларионова С.Г., Тимошина Е.Ю.</copyright-holder><copyright-holder xml:lang="en">Osipov A.S., Popova O.A., Larionova S.G., Timoshina E.Y.</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://www.vedomostincesmp.ru/jour/article/view/123">https://www.vedomostincesmp.ru/jour/article/view/123</self-uri><abstract><p>Исследовали возможность применения хроматографической колонки XBridge Amide 150´4,6 мм (3,5 мкм) для разделения смеси гидроксикарбамида (гидроксимочевины) и его примеси мочевины. В качестве подвижных фаз применяли смеси ацетонитрила и воды. Разделение анализируемых соединений на амидных колонках в условиях жидкостной хроматографии гидрофильных взаимодействий возможно при содержании ацетонитрила в подвижной фазе более 93 %. При хроматографировании на амидной колонке XBridge Amide наблюдалось изменение очередности элюирования гидроксикарбамида и мочевины по сравнению с элюированием на диольных и нитрильных хроматографических колонках. Хроматография смесей мочевины и гидроксикарбамида на данных колонках может быть применена для подтверждения пригодности хроматографической системы при анализе мочевины методом высокоэффективной жидкостной хроматографии.</p></abstract><trans-abstract xml:lang="en"><p>The article investigates the possibility of using the chromatographic column XBridge Amide 150´4.6 mm (3.5 μm) for separation of hydroxycarbamide (hydroxyurea) and its impurity (urea). The mobile phases used were the mixtures of acetonitrile and water. The separation of analytes on an amide column by hydrophilic interaction liquid chromatography is feasible if the proportion of acetonitrile in the mobile phase accounts for more than 93 %. When performing chromatographic separation on the amide column XBridge Amide, a change in the elution order of hydroxycarbamide and urea was observed, as compared to the elution on nitrile and diol columns. This type of columns can be used for chromatographic separation of a mixture of hydroxycarbamide and urea in order to perform system suitability testing when analyzing urea by HPLC.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоэффективная жидкостная хроматография</kwd><kwd>жидкостная хроматография гидрофильных взаимодействий</kwd><kwd>гидроксикарбамид</kwd><kwd>мочевина</kwd><kwd>фармакопея</kwd><kwd>high performance liquid chromatography</kwd><kwd>hydrophilic interaction liquid chromatography</kwd><kwd>hydroxycarbamide</kwd><kwd>hydroxyurea</kwd><kwd>pharmacopoeia</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">Monograph: Hydroxycarbamide Capsules. British Pharmacopoeia 2016.</mixed-citation><mixed-citation xml:lang="en">Monograph: Hydroxycarbamide Capsules. 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Drug Development and Registration 2016; (3): 108–11 (in Russian).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
