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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-238</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>КОЛОРИМЕТРИЧЕСКИЙ И ФЛУОРЕСЦЕНТНЫЙ ХЕМОСЕНСОР Fe3+ НА ОСНОВЕ АСИММЕТРИЧНОГО СКВАРИЛИЕВОГО КРАСИТЕЛЯ</article-title><trans-title-group xml:lang="en"><trans-title>A COLORIMETRIC AND FLUORESCENT CHEMOSENSOR OF Fe3+ BASED ON AN ASYMMETRICAL SQUARYLIUM DYE</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>Lu</surname><given-names>M. .</given-names></name><name name-style="western" xml:lang="en"><surname>Min</surname><given-names>Lu</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>Wang</surname><given-names>Y. .</given-names></name><name name-style="western" xml:lang="en"><surname>Yue</surname><given-names>Wang</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>Li</surname><given-names>Y. .</given-names></name><name name-style="western" xml:lang="en"><surname>Ying</surname><given-names>Li</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>Li</surname><given-names>Z. .</given-names></name><name name-style="western" xml:lang="en"><surname>Zhongyu</surname><given-names>Li</given-names></name></name-alternatives><email xlink:type="simple">zhongyuli@mail.tsinghua.edu.cn</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Xu</surname><given-names>S. .</given-names></name><name name-style="western" xml:lang="en"><surname>Song</surname><given-names>Xu</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>Yao</surname><given-names>C. .</given-names></name><name name-style="western" xml:lang="en"><surname>Chao</surname><given-names>Yao</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>Школа нефтехимической инженерии, Университет Чанчжоу</institution></aff><aff xml:lang="en"><institution>School of Petrochemical Engineering, Changzhou University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Школа нефтехимической инженерии, Университет Чанчжоу; Инновационный центр катализа и экологического производства, Университет Чанчжоу</institution></aff><aff xml:lang="en"><institution>School of Petrochemical Engineering, Changzhou University; Jiangsu Advanced Catalysis and Green Manufacturing Collaborative Innovation Center</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>2</issue><fpage>327</fpage><lpage>334</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Lu M..., Wang Y..., Li Y..., Li Z..., Xu S..., Yao C..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Lu M..., Wang Y..., Li Y..., Li Z..., Xu S..., Yao C...</copyright-holder><copyright-holder xml:lang="en">Min L., Yue W., Ying L., Zhongyu L., Song X., Chao 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://zhps.ejournal.by/jour/article/view/238">https://zhps.ejournal.by/jour/article/view/238</self-uri><abstract><p>Синтезирован зонд на основе нового асимметричного скварилиевого красителя, проявляющего колориметрические и флуоресцентные свойства при селективном связывании с Fe3+ в растворе этанола с водой (в пропорции 4:1). Для данного красителя определены константа связывания 7.69×102 M-1 и предел обнаружения 9.158×10- 6  M. Стехиометрия 1:2 при связывании красителя подтверждена методом Джоба. С помощью электромеханического метода показана высокая чувствительность к наличию Fe3+ . </p></abstract><trans-abstract xml:lang="en"><p>A novel asymmetrical squarylium-dye-based dual signaling probe was synthesized and found to exhibit colorimetric and fluorescent properties on selective binding towards Fe3+ in ethanol/water (4:1, v/v) solution. The binding constant was determined to be 7.69×102 M-1, and the detection limit of SQ was 9.158×10- 6  M. Most importantly, the 1:2 stoichiometry of the host-guest complexation was conﬁrmed by Job’s method. Moreover, the high sensing ability of the receptor towards Fe3+ was also investigated by the electrochemical technique. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>скварилиевый краситель</kwd><kwd>Fe3+</kwd><kwd>колориметрический сенсор</kwd><kwd>флуоресцентный сенсор</kwd><kwd>squarylium dye</kwd><kwd>iron ion (III)</kwd><kwd>colorimetric sensor</kwd><kwd>fluorescent sensor</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">X. W. Cheng, Y. Zhou, Y. Fang, Q. Q. Rui, C. Yao, RSC Adv., 5, 19465-19469 (2015).</mixed-citation><mixed-citation xml:lang="en">X. W. Cheng, Y. Zhou, Y. Fang, Q. Q. Rui, C. Yao, RSC Adv., 5, 19465-19469 (2015).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">S. Wang, T. Cong, Q. Liang, Z. Li, S. 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