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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-1057</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>Селективный флуоресцентный датчик “включения” для обнаружения Hg2+ на основе производного 1,8-нафталимида и основания Шиффа</article-title><trans-title-group xml:lang="en"><trans-title>New Selective Fluorescent “Turn-On” Sensor for Detection of Hg2+ Based on a 1,8-Naphthalimide Schiff Base Derivative</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>Wu</surname><given-names>H.-L.</given-names></name><name name-style="western" xml:lang="en"><surname>Wu</surname><given-names>H.-L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu</p></bio><email xlink:type="simple">wuhuilu@163.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>Dong</surname><given-names>J.-P.</given-names></name><name name-style="western" xml:lang="en"><surname>Dong</surname><given-names>J.-P. F.-G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu</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>Sun</surname><given-names>F.-G.</given-names></name><name name-style="western" xml:lang="en"><surname>Sun</surname><given-names>F.-G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu</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>Li</surname><given-names>R.-X.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>R.-X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu</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>Jiang</surname><given-names>Y.-X.</given-names></name><name name-style="western" xml:lang="en"><surname>Jiang</surname><given-names>Y.-X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланьчжоу, Ганьсу</p></bio><bio xml:lang="en"><p>Lanzhou, Gansu</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Школа химии и химической инженерии Ланьчжоуского университета Цзяотон</institution></aff><aff xml:lang="en"><institution>School of Chemistry and Chemical Engineering at Lanzhou Jiaotong University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>25</day><month>05</month><year>2022</year></pub-date><volume>89</volume><issue>3</issue><fpage>386</fpage><lpage>393</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Wu H., Dong J.F., Sun F., Li R., Jiang Y., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Wu H., Dong J., Sun F., Li R., Jiang Y.</copyright-holder><copyright-holder xml:lang="en">Wu H., Dong J.F., Sun F., Li R., Jiang 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/1057">https://zhps.ejournal.by/jour/article/view/1057</self-uri><abstract><p>Разработан флуоресцентный сенсор “включения” для обнаружения Hg2+ на основе N-аллил-4-(этилендиамин-5-метилсалицилиден)-1,8-нафталимида (HL) путем объединения фрагмента  1,8-нафталимида в качестве флуорофора и основания Шиффа в качестве группы распознавания. HL проявляет высокую селективность в отношении Hg2+ по сравнению с другими ионами (Na+, K+, Ca2+, Mg2+, Al3+, Pb2+, Fe3+, Ni2+, Zn2+, Hg2+, Ag+, Co2+, Cr3+, Mn2+ и Cd2+) с очевидным усилением флуоресценции в растворе (ДМФ/буфер трис-HCl, 1:1, рН 7.2). Зависимость интенсивности флуоресценции HL от концентрации Hg2+ линейная, с коэффициентом корреляции (R2) 0.99. Это подтверждает,  что HL можно применять для количественного обнаружения ионов ртути в диапазоне 0.5–4.0 мкм  с пределом обнаружения 0.26 мкм. Константа ассоциации между Hg2+ и HL Ka = 7.35×1011 М–1.  На основании флуоресцентного титрования и анализа графика Джоба сделан вывод, что образование комплекса между HL и Hg2+ возможно при соотношении 2:1.</p></abstract><trans-abstract xml:lang="en"><p>A new fluorescent “turn-on” sensor for Hg2+, N-allyl-4-(ethylenediamine-5-methylsalicylidene)-1,8-naphthalimide (HL) has been designed by combining a 1,8-naphthalimide moiety as a fluorophore and  a Schiff base as a recognition group. As expected, HL displays high selectivity for Hg2+ over other ions (Na+, K+, Ca2+, Mg2+, Al3+, Pb2+, Fe3+, Ni2+, Zn2+, Hg2+, Ag+, Co2+, Cr3+, Mn2+, and Cd2+) with obvious fluorescence enhancement in solution (DMF/tris–HCl buffer, 1:1, v/v, pH 7.2). Moreover, the fluorescence intensity of HL has shown good linearity with a correlation coefficient (R2) of 0.99, confirming that HL could be applied to quantitatively detect mercury ions in the range of 0.5–4.0 μM, whereby the detection limit reaches 0.26 µM. Meanwhile, the association constant (Ka) between Hg2+ and HL achieves 7.35×1011 M–1. Based on the fluorescence titration and Job’s plot analysis, the formation of a complex between HL and Hg2+ is by 2:1 complex ratio.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>1</kwd><kwd>8-нафталимид</kwd><kwd>флуоресцентный сенсор</kwd><kwd>ион Hg2+</kwd><kwd>основание Шиффа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>1</kwd><kwd>8-naphthalimide</kwd><kwd>fluorescent sensor</kwd><kwd>Hg2+ ion</kwd><kwd>Schiff base</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The present research was supported by the Foundation of a Hundred Youth Talents Training Program of Lanzhou Jiaotong University (grant No. 152022), National Natural Science Foundation of China (grant No. 21367017), and Natural Science Foundation of Gansu Province (grant No. 17JR5RA090).</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">M. Nendza, T. Herbst, C. 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