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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2021-16-6-512-525</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-1773</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="en"><subject>ANALYTICAL METHODS IN CHEMISTRY AND CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>АНАЛИТИЧЕСКИЕ МЕТОДЫ В ХИМИИ И ХИМИЧЕСКОЙ ТЕХНОЛОГИИ</subject></subj-group></article-categories><title-group><article-title>Ion mobility spectrometry of N-methylimidazole and possibilities of its determination</article-title><trans-title-group xml:lang="ru"><trans-title>Спектрометрия ионной подвижности N-метилимидазола и возможности его определения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8389-3964</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Александрова</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aleksandrova</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александрова Дарья Алексеевна - аспирант, кафедра экспертизы в допинг- и наркоконтроле, Scopus Author ID 57208706352.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Daria A. Aleksandrova - Postgraduate Student, Department of Expertise in Doping and Drug Control, Scopus Author ID 57208706352.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">dasha-25.2012@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6457-2417</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Меламед</surname><given-names>Т. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Melamed</surname><given-names>T. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Меламед Татьяна Борисовна - магистрант, кафедра экспертизы в допинг- и наркоконтроле.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Tatiana B. Melamed - Master Student, Department of Expertise in Doping and Drug Control.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">melamed.tanya@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9226-3478</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баберкина</surname><given-names>Е. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Baberkina</surname><given-names>E. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баберкина Елена Петровна, кандидат химических наук, доцент, кафедра экспертизы в допинг- и наркоконтроле, Scopus Author ID 56636782900.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Elena P. Baberkina - Cand. Sci. (Chem.), Associate Professor, Department of Expertise in Doping and Drug Control, Scopus Author ID 56636782900.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">bettycka@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>Фенин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fenin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фенин Анатолий Александрович - старший преподаватель, кафедра химии высоких энергий и радиоэкологии, Scopus Author ID 16202751400, ResearcherID T-9318-2017.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Anatolii A. Fenin - Senior Lecturer, Department of High Energy Chemistry and Radioecology, Scopus Author ID 16202751400, ResearcherID T-9318-2017.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">fenin@muctr.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>Осинова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Osinova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Осинова Екатерина Сергеевна - аспирант, кафедра экспертизы в допинг- и наркоконтроле.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Ekaterina S. Osinova - Postgraduate Student, Department of Expertise in Doping and Drug Control.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">osinova_kat@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8412-0311</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>А. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваленко Алексей Евгеньевич - кандидат технических наук, доцент, кафедра экспертизы в допинг- и наркоконтроле, Scopus Author ID 57208702823.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Aleksei E. Kovalenko - Cand. Sci. (Eng.), Associate Professor, Department of Expertise in Doping and Drug Control, Scopus Author ID 57208702823.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">aekov@muctr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2923-5471</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Якушин</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakushin</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Якушин Роман Владимирович - кандидат технических наук, доцент кафедры органической химии, декан факультета химикофармацевтических технологий и биомедицинских препаратов, Scopus Author ID 56974245100, ResearcherID A-5116-2014.</p><p>125047, Москва, Миусская пл., д. 9</p></bio><bio xml:lang="en"><p>Roman V. Yakushin - Cand. Sci. (Eng.), Associate Professor, Department of Organic Chemistry, Dean of the Faculty of Chemical and Pharmaceutical Technologies and Biomedical Products, Scopus Author ID 56974245100, ResearcherID A-5116-2014.</p><p>9, Miusskaya pl., Moscow, 1125047</p></bio><email xlink:type="simple">yakushin@muctr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9856-6031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шалтаева</surname><given-names>Ю. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaltaeva</surname><given-names>Yu. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шалтаева Юлия Ринатовна - старший преподаватель, отделение нанотехнологий в электронике, спинтронике и фотонике офиса образовательных программ (414), Scopus Author ID 56018762000.</p><p>115409, Москва, Каширское ш., д. 31</p></bio><bio xml:lang="en"><p>Yulia R. Shaltayeva - Senior Lecturer, Division of Nanotechnologies in Electronics, Spintronics and Photonics, Office of Academic Programs (414), Scopus Author ID 56018762000.</p><p>31, Kashirskoe sh., Moscow, 115409</p></bio><email xlink:type="simple">YRShaltayeva@mephi.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0236-1243</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беляков</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyakov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беляков Владимир Васильевич - кандидат технических наук, доцент, отделение нанотехнологий в электронике, спинтронике и фотонике офиса образовательных программ (414), Scopus Author ID 7103252626.</p><p>115409, Москва, Каширское ш., д. 31</p></bio><bio xml:lang="en"><p>Vladimir V. Belyakov - Cand. Sci. (Eng.), Associate Professor, Division of Nanotechnologies in Electronics, Spintronics and Photonics, Office of Academic Programs (414), Scopus Author ID 7103252626</p><p>31, Kashirskoe sh., Moscow, 115409</p></bio><email xlink:type="simple">VVBelyakov@mephi.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1230-9895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зыкова</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Zykova</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зыкова Дарья Ильинична - магистрант, кафедра 806 Вычислительная математика и программирование.</p><p>125993, Москва, Волоколамское ш., д. 4</p></bio><bio xml:lang="en"><p>Daria I. Zykova - Master Student, Department 806 Computational Mathematics and Programming.</p><p>4, Volokolamskoe sh., Moscow, 125993</p></bio><email xlink:type="simple">zykova.daria.999@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский химико-технологический университет им. Д.И. Менделеева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mendeleev University of Chemical Technology of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет МИФИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University MEPHI</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский авиационный институт, Национальный исследовательский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Aviation Institute, National Research University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>01</month><year>2022</year></pub-date><volume>16</volume><issue>6</issue><fpage>512</fpage><lpage>525</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Aleksandrova D.A., Melamed T.B., Baberkina E.P., Fenin A.A., Osinova E.S., Kovalenko А.E., Yakushin R.V., Shaltaeva Y.R., Belyakov V.V., Zykova D.I., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Александрова Д.А., Меламед Т.Б., Баберкина Е.П., Фенин А.А., Осинова Е.С., Коваленко А.Е., Якушин Р.В., Шалтаева Ю.Р., Беляков В.В., Зыкова Д.И.</copyright-holder><copyright-holder xml:lang="en">Aleksandrova D.A., Melamed T.B., Baberkina E.P., Fenin A.A., Osinova E.S., Kovalenko А.E., Yakushin R.V., Shaltaeva Y.R., Belyakov V.V., Zykova D.I.</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.finechem-mirea.ru/jour/article/view/1773">https://www.finechem-mirea.ru/jour/article/view/1773</self-uri><abstract><sec><title>Objectives</title><p>Objectives. To determine the ion mobility of N-methylimidazole, establish the structure of ions corresponding to characteristic signals, and determine the detection limit of N-methylimidazole on the ion-drift detector Kerber.</p></sec><sec><title>Methods</title><p>Methods. Ion mobility spectrometry was used to study the ionization processes. The enthalpies of the reactions of monomer and dimer ions were calculated in the ORCA 4.1.1 software by the B3LYP density functional method with a set of basic functions 6-31G (d, p).</p></sec><sec><title>Results</title><p>Results. The drift time and ion mobility values of N-methylimidazole were determined. A method for mathematical processing of spectra and a program for its implementation was developed. The changing peculiarities of the ion mobility spectrum during measurement at a given time were studied. According to the interpretation of the spectrum signals, the structure of the generated ions was proposed, and the enthalpies of ion formation were determined.</p></sec><sec><title>Conclusions</title><p>Conclusions. The characteristic signal of the N-methylimidazole ion protonated at the nitrogen atom of the pyridine type was revealed. It was found that two signals in the ion mobility spectra of N-methylimidazole correspond to the presence of the monomer and dimer ions. The detection limit of N-methylimidazole on the ion-drift detector Kerber was determined, amounting to 3 pg.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цели</title><p>Цели. Определение значений ионной подвижности N-метилимидазола. Установление строения ионов, соответствующих характерным сигналам. Определение предела обнаружения N-метилимидазола на ионно-дрейфовом детекторе Кербер.</p></sec><sec><title>Методы</title><p>Методы. Метод спектрометрии ионной подвижности был использован для исследования процессов ионизации. Энтальпии реакций мономерных и димерных ионов расчитаны в программе ORCA 4.1.1 методом функционала плотности B3LYP с набором базисных функций 6-31G(d,p).</p></sec><sec><title>Результаты</title><p>Результаты. Определены значения времени дрейфа и ионной подвижности N-метилимидазола. Разработана методика математической обработки спектров и программа для ее реализации. Изучены особенности изменения характера спектра ионной подвижности в процессе измерения в данный момент времени. Предложено строение генерируемых ионов в соответствии с интерпретацией сигналов спектра. Определены энтальпии образования ионов.</p></sec><sec><title>Выводы</title><p>Выводы. Выявлен характеристический сигнал иона N-метилимидазола, протонированного по атому азота пиридинового типа. Установлено, что два сигнала в спектрах ионной подвижности N-метилимидазола соответствуют наличию мономерной и димерной формы ионов. Определен предел обнаружения N-метилимидазола на ионно-дрейфовом детекторе Кербер, составляющий 3 пг.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>спектрометрия ионной подвижности</kwd><kwd>характеристический сигнал</kwd><kwd>протонирование</kwd><kwd>гетероциклические соединения азота</kwd><kwd>пиридин</kwd><kwd>имидазол</kwd><kwd>N-метил имидазол</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ion mobility spectrometry (IMS)</kwd><kwd>characteristic signal</kwd><kwd>protonation</kwd><kwd>heterocyclic nitrogen compounds</kwd><kwd>pyridine</kwd><kwd>imidazole</kwd><kwd>N-methylimidazole</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">Eiceman G.A., Kapras Z., Hill H.H. Ion Mobility Spectrometry: 3rd ed. Boca Raton: CRC; 2013. 444 p. https://doi.org/10.1201/b16109</mixed-citation><mixed-citation xml:lang="en">Eiceman G.A., Kapras Z., Hill H.H. 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