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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2021-11-3-491-496</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-668</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATION</subject></subj-group></article-categories><title-group><article-title>Синтез и исследование олигогексаметиленгуанидин гидроиодида в качестве рентгеноконтрастного вещества</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis and study of oligohexamethyleneguanidine hydroiodide as a radiopaque substance</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>Очиров</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ochirov</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Очиров Олег Сергеевич, к.фарм.н., ведущий инженер лаборатории химии полимеров</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Oleg S. Ochirov, Cand. Sci. (Pharmacy), Lead Engineer, Laboratory of Polymer Science</p><p>6, Sahyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">ochirov.o.s@yandex.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>Стельмах</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stelmakh</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стельмах Сергей Александрович, к.х.н., старший научный сотрудник лаборатории химии полимеров</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Sergey A. Stelmakh, Cand. Sci. (Chemistry), Senior Researcher, laboratory of Polymer Science</p><p>6, Sahyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">s_stelmakh@bk.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>Григорьева</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigor’eva</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Григорьева Мария Николаевна, к.фарм.н., ведущий инженер лаборатории химии полимеров</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Maria N. Grigor’eva, Cand. Sci. (Chemistry), Lead Engineer, Laboratory of Polymer Science</p><p>6, Sahyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">gmn_07@bk.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>Окладникова</surname><given-names>В. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Okladnikova</surname><given-names>V. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Окладникова Валерия Олеговна, инженер лаборатории химии полимеров</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Valeria O. Okladnikova, Engineer, Laboratory of Polymer Science</p><p>6, Sahyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">lera-okladnikova@mail.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>Могнонов</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mognonov</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Mогнонов Дмитрий Маркович, д.х.н., профессор, главный научный сотрудник лаборатории химии полимеров</p><p>670047, г. Улан-Удэ, ул. Сахьяновой, 6</p></bio><bio xml:lang="en"><p>Dmitrii M. Mognonov, Dr. Sci. (Chemistry), Professor</p><p>6, Sahyanova St., Ulan-Ude, 670047</p></bio><email xlink:type="simple">dmog@binm.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Байкальский институт природопользования СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Baikal Institute of Nature Management SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>07</day><month>10</month><year>2021</year></pub-date><volume>11</volume><issue>3</issue><fpage>491</fpage><lpage>496</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Очиров О.С., Стельмах С.А., Григорьева М.Н., Окладникова В.О., Могнонов Д.М., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Очиров О.С., Стельмах С.А., Григорьева М.Н., Окладникова В.О., Могнонов Д.М.</copyright-holder><copyright-holder xml:lang="en">Ochirov O.S., Stelmakh S.A., Grigor’eva M.N., Okladnikova V.O., Mognonov D.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://vuzbiochemi.elpub.ru/jour/article/view/668">https://vuzbiochemi.elpub.ru/jour/article/view/668</self-uri><abstract><p>Резюме: Диагностика сложных травм, таких как осколочные переломы и ранения, травмы черепа, сопровождающиеся внутренними повреждениями, недоступными для визуального контроля, представляет максимальные трудности при проведении рентгенографического обследования. Поэтому актуальным является разработка препарата, способного с высокой точностью помочь локализовать место патологического очага, опираясь только на результаты рентгенографического исследования, что возможно при нанесении ориентира (вещества) на кожу пациента. В качестве такого вещества предложено использовать рентгеноконтрастное соединение на основе иодированной полимерной матрицы, где контрастирующим компонентом будет являться иод, а в качестве носителя – полигуанидин. Выбор этого класса полимеров обусловлен тем, что на атоме углерода гуанидиновой группы в большей степени локализуется положительный заряд, который позволяет загрузить в нее анионы иода. Путем протонирования чистого гуанидина иодистоводороной кислотой получен гуанидин гидроиодид, подлинность которого подтверждена методами ИК-спекроскопии (уменьшение интенсивности полос в области 1380, 880 см-1 по сравнению с гуанидином, а также уширение полосы валентных колебаний аминогрупп, характерных для солей гуанидина) и рентгенофазового анализа. На основе гексаметилендиамина и иодсодержащей соли гуанидина поликонденсацией в расплаве синтезирован полигексаметиленгуанидин гидроиодид. Показано, что водные растворы исследуемых образцов поглощают рентгеновское излучение и являются рентгенпозитивными веществами (экспозиционная доза излучения Е = 0,04 мЗВ).</p></abstract><trans-abstract xml:lang="en"><p>Abstract: Diagnosis of complex injuries, such as splinter fractures and wounds, skull injuries accompanied by internal injuries that are inaccessible to visual control, presents the greatest difficulties during X-ray examination. Therefore, it is relevant to develop a drug that can help localize the site of a pathological lesion with high accuracy, relying only on the results of an X-ray study, which is possible when a reference point (substance) is applied to the patient’s skin. A radiopaque contrast compound based on an iodinated polymeric matrix with iodine as the contrasting component and polyguanidine as the carrier has been proposed to be used as a reference point substance. The choice of this class of polymers stemmed from the fact that a positive charge is localized to a greater extent on the carbon atom of the guanidine group, which allows loading iodine anions into it. Protonation of pure guanidine with hydroiodic acid has helped obtain guanidine hydroiodide. This finding was confirmed by IR spectroscopy methods (a decrease in the intensity of bands in the region of 1,380, 880 cm−1 in comparison with guanidine, as well as broadening of the band of stretching vibrations of amino groups characteristic of guanidine salts) and X-ray phase analysis. Polyhexamethylene guanidine hydroiodide was synthesized based on hexamethylenediamine and iodine-containing guanidine salt using melt polycondensation. The results show that the aqueous solutions of samples under study absorb X-radiation and are the X-ray-positive substances (exposure radiation dosage E = 0.04 mSV).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полигуанидин</kwd><kwd>иодсодержащие вещества</kwd><kwd>рентгеноконтрасты</kwd><kwd>рентгеновское излучение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyguanidine</kwd><kwd>iodine-containing substances</kwd><kwd>X-ray contrast</kwd><kwd>X-ray radiation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках государственного задания Байкальского института природопользования СО РАН №. 0273-2021-0007.</funding-statement><funding-statement xml:lang="en">The study was carried out with the financial support of the State assignment of the Baikal Institute of Nature Management SB RAS no. 0273-2021-0007.</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">Cohen D.M., Garcia C.T., Dietrich A.M., Hickey R.W. 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