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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2018-84-8-5-14</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-783</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>Наноструктурированные композиты на основе графена и наночастиц кобальта в составе моноаминоксидазных биосенсоров для определения антидепрессантов</article-title><trans-title-group xml:lang="en"><trans-title>Nanostructured composites based on graphene and nanoparticles of cobalt in the composition of monoamine oxidase biosensors for determination of antidepressants</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>Медянцева</surname><given-names>Э. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Medyantseva</surname><given-names>E. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эльвина Павловна Медянцева</p><p>Химический институт им. А. М. Бутлерова</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Elvina P. Medyantseva </p><p>A. M. Butlerov Institute of Chemistry </p><p>Kazan</p></bio><email xlink:type="simple">emedyant@gmail.com</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>Брусницын</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Brusnitsyn</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Даниил Владимирович Брусницын</p><p>Химический институт им. А. М. Бутлерова</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Daniil V. Brusnitsyn </p><p>A. M. Butlerov Institute of Chemistry </p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варламова</surname><given-names>Р. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Varlamova</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Регина Марковна Варламова</p><p>Химический институт им. А. М. Бутлерова</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Regina M. Varlamova </p><p>A. M. Butlerov Institute of Chemistry </p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коновалова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Анатольевна Коновалова</p><p>Институт физики</p><p> г. Казань</p></bio><bio xml:lang="en"><p>Olga A. Konovalova</p><p>Institute of Physics</p><p> Kazan</p></bio><email xlink:type="simple">olga.konovalova@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>Будников</surname><given-names>Г. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Budnikov</surname><given-names>H. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Герман Константинович Будников</p><p>Химический институт им. А. М. Бутлерова</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Herman K. Budnikov </p><p>A. M. Butlerov Institute of Chemistry </p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский (Приволжский) федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan (Volga region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>05</day><month>09</month><year>2018</year></pub-date><volume>84</volume><issue>8</issue><fpage>5</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Медянцева Э.П., Брусницын Д.В., Варламова Р.М., Коновалова О.А., Будников Г.К., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Медянцева Э.П., Брусницын Д.В., Варламова Р.М., Коновалова О.А., Будников Г.К.</copyright-holder><copyright-holder xml:lang="en">Medyantseva E.P., Brusnitsyn D.V., Varlamova R.V., Konovalova O.A., Budnikov H.K.</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.zldm.ru/jour/article/view/783">https://www.zldm.ru/jour/article/view/783</self-uri><abstract><p>Разработаны амперометрические моноаминоксидазные биосенсоры на основе печатных графитовых электродов, модифицированных наноструктурированными композитами графена (ВГО) и наночастиц кобальта (НЧСо) для определения лекарственных веществ антидепрессивного действия: тианептина, тиоридазина и флуоксетина. Сочетания углеродных наноматериалов с наночастицами металлов (нанокомпозиты) позволяют не только сохранить свойства отдельных компонентов, но и за счет их совместного вклада приводят к новому качеству разрабатываемых устройств. Наноматериал-модификатор наносили на поверхность печатных графитовых электродов методом капельного испарения. Закрепление ВГО на поверхности происходит за счет электростатического взаимодействия между его карбоксильными группами и аминогруппами аминопроизводного на платформе полиэфирополиола (H20–NH2). НЧCo получали электрохимически методом хроноамперометрии при потенциале E = –1,0 В и разном времени накопления (50 и 60 с). Согласно данным атомно-силовой микроскопии преимущественный размер НЧCo составляет (40 ± 2) и (78 ± 8) нм в зависимости от времени электрохимического накопления НЧ. Спектроскопия электрохимического импеданса показала, что наименьшими значениями сопротивления переноса электрона характеризуются нанокомпозиты ВГО-хитозан/НЧCo и ВГО-(H20–NH2)/НЧCo. Использование выбранных нанокомпозитов для модификации поверхности электродов позволило улучшить аналитические характеристики разработанных биосенсоров: обеспечить более широкий диапазон рабочих концентраций — от 1 · 10–4 до 5 · 10–9 моль/л, больший коэффициент чувствительности, лучший коэффициент корреляции и меньшее значение нижней границы определяемых концентраций (cн). Показана возможность использования биосенсоров для контроля качества антидепрессантов при определении основного лекарственного вещества в лекарственных препаратах и биологических жидкостях. При использовании в качестве субстрата тирамина для определения флуоксетина, тиоридазина и тианептина cн составляет (7 – 9) · 10–10 моль/л.</p></abstract><trans-abstract xml:lang="en"><p>Amperometric monoamine oxidase biosensors based on screen-printed graphite electrodes modified with nanostructured reduced graphene oxide (RGO) composites and cobalt nanoparticles (CoNPs) were developed to determine antidepressant drug substances: tianeptine, thioridazine, and fluoxetine. Combinations of carbon nanomaterials with metal nanoparticles (nanocomposites) along with retaining the properties of individual components, also provide a new quality of the developed devices due to their joint contribution. The nanomaterial-modifier was applied to the surface of screen-printed graphite electrodes using dropwise evaporation. Fixing of RGO on the surface of the screen-printed graphite electrodes occurs due to electrostatic interaction between RGO carboxyl groups and amine groups of the amine derivative on the platform of polyester polyol (H20–NH2). The CoNPs were obtained electrochemically by the method of chronoamperometry at a potential E = – 1.0 V and different time of their accumulation (about 50 – 60 sec) on the electrode surface. According to the data of atomic force microscopy, the predominant size of CoNPs is (40 ± 2) and (78 ± 8) nm, depending on the time of electrochemical deposition of NPs. Data of electrochemical impedance spectroscopy show that nanocomposites RGO-chitosan/CoNPs and RGO-amine derivative on the polyester polyol (H20–NH2)/CoNPs platform are characterized by the lowest values of the charge transfer resistance. The use of those nanocomposites modifying the electrode surface significantly improved the analytical characteristics of the developed biosensors providing a wider range of operating concentrations from 1 × 10–4 to 5 × 10–9 mol/liter, greater sensitivity coefficient, better correlation coefficient, and lower limit of the detectable concentrations. A possibility of using biosensors to control the quality of antidepressants upon determination of the main active substance in medicinal drugs and biological fluids is shown. The lower limit of detectable concentrations (7 – 9) × 10–10 mol/liter is attained when using tyramine as a substrate for determination of fluoxetine, thioridazine and tianeptine, respectively.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>амперометрический биосенсор</kwd><kwd>моноаминоксидаза</kwd><kwd>восстановленный оксид графена</kwd><kwd>наночастицы кобальта</kwd><kwd>антидепрессанты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biosensor</kwd><kwd>monoamine oxidase</kwd><kwd>reduced graphene oxide</kwd><kwd>cobalt nanoparticles</kwd><kwd>antidepressants</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">Kokkinos C., Economou A., Prodromidis M. I. Electrochemical immunosensors: Critical survey of different architectures and transduction strategies / Trends Anal. Chem. 2016. Vol. 79. 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