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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-705</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ВЫСОКОСЕЛЕКТИВНЫЙ КОЛОРИМЕТРИЧЕСКИЙ И ФЛУОРЕСЦЕНТНЫЙ ХЕМОСЕНСОР НА ОСНОВЕ o-ТОЛИДИНА ДЛЯ ОБНАРУЖЕНИЯ CN–</article-title><trans-title-group xml:lang="en"><trans-title>HIGHLY SELECTIVE COLORIMETRIC AND FLUORESCENT CHEMOSENSOR FOR CN−  BASED ON o-TOLIDINE</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>Ni</surname><given-names>P.-W.</given-names></name><name name-style="western" xml:lang="en"><surname>Ni</surname><given-names>Peng-Wei</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу, 730070</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu, 730070</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>Yao</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Yao</surname><given-names>Ying</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу, 730070</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu, 730070</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>Fu</surname><given-names>Q.-Q.</given-names></name><name name-style="western" xml:lang="en"><surname>Fu</surname><given-names>Qing-Qing</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу, 730070</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu, 730070</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>Long</surname><given-names>Ch.</given-names></name><name name-style="western" xml:lang="en"><surname>Long</surname><given-names>Chen</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу, 730070</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu, 730070</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>Hu</surname><given-names>J.-H.</given-names></name><name name-style="western" xml:lang="en"><surname>Hu</surname><given-names>Jing-Han</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу, 730070</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu, 730070</p></bio><email xlink:type="simple">hujinghan62@163.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Колледж химической и биологической инженерии Университета Ланьчжоу Цзяотун</institution></aff><aff xml:lang="en"><institution>College of Chemical and Biological Engineering, Lanzhou Jiaotong University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>02</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>5</issue><fpage>832</fpage><lpage>838</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ni P., Yao Y., Fu Q., Long C., Hu J., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ni P., Yao Y., Fu Q., Long C., Hu J.</copyright-holder><copyright-holder xml:lang="en">Ni P., Yao Y., Fu Q., Long C., Hu J.</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://zhps.ejournal.by/jour/article/view/705">https://zhps.ejournal.by/jour/article/view/705</self-uri><abstract><p>Разработан колориметрический и флуоресцентный химический сенсор N1 на основе о-толидина, который может быть использован для обнаружения CN− . По сравнению с другими распространенными анионами цвет раствора N1 изменялся от желтого до бесцветного после добавления CN– , в то время как под УФ-лампой желтая флуоресценция N1 явно аннигилировалась. Предел обнаружения флуоресцентного отклика N1 для CN– снижен до 4.43 ⋅ 10-7 М. Титрование 1H ЯМР показало, что процесс внутримолекулярного переноса заряда происходит между N1 и CN– , соотношение реакций 1:2. N1 успешно использован для определения содержания цианида в горьком миндале, также изготовлены тест-полоски на основе N1, которые более удобно и эффективно обнаруживают CN– в водном растворе.</p></abstract><trans-abstract xml:lang="en"><p>A colorimetric and fluorescent chemical sensor N1 based on o-tolidine was designed and synthesized, which can be used as an efficient colorimetric and fluorescent sensor for CN− . Compared to other common anions, the color of N1 solution was observed from yellow to colorless after the addition of CN−, while under UV lamp the yellow fluorescence of N1 was clearly annihilated. In addition, the detection limit on fluorescence response of N1 for CN−  was down to 4.43 ⋅ 10-7 M. 1H NMR titration suggested that the ICT process occurred between N1 and CN− , and the reaction ratio was 1:2. N1 was successfully used to detect cyanide content in bitter almonds, and N1-based test strips were also produced, which could more conveniently and effectively detect the CN−  in aqueous solution.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хемосенсор</kwd><kwd>колориметр</kwd><kwd>флуоресценция</kwd><kwd>внутримолекулярный перенос заряда</kwd><kwd>CN–</kwd><kwd>горький миндаль</kwd><kwd>тест-полоска</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chemosensor</kwd><kwd>colorimetric</kwd><kwd>fluorescence</kwd><kwd>intramolecular charge transfer</kwd><kwd>CN−</kwd><kwd>bitter almonds</kwd><kwd>test strip</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">J. J. Park, Y. Kim, C. Kim, J. Kang, Tetrahedron Lett., 52, 2759–2763 (2011).</mixed-citation><mixed-citation xml:lang="en">J. J. Park, Y. Kim, C. Kim, J. 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