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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-816</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>Исследование антибактериальной и противоопухолевой активности мононуклеарных и биядерных комплексов уратов теллура(IV), тантала(V), селена(IV) и ниобия V)</article-title><trans-title-group xml:lang="en"><trans-title>Antibacterial and Anticancer Studies of Mononuclear and Binuclear Complexes of Tellurium(IV), Tantalum(V), Selenium(IV), andNiobium(V) Urate by Spectroscopy Methods</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>Al-Saif</surname><given-names>F. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Al-Saif</surname><given-names>F. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эр-Рияд 11671</p></bio><bio xml:lang="en"><p>Riyadh 11671, Saudi Arabia</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>Al-Humaidi</surname><given-names>J. Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Al-Humaidi</surname><given-names>J. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эр-Рияд 11671</p></bio><bio xml:lang="en"><p>Riyadh 11671, Saudi Arabia</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>Binjawhar</surname><given-names>D. N.</given-names></name><name name-style="western" xml:lang="en"><surname>Binjawhar</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эр-Рияд 11671</p></bio><bio xml:lang="en"><p>Riyadh 11671, Saudi Arabia</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>Bakhsh</surname><given-names>H. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakhsh</surname><given-names>H. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эр-Рияд 11671</p></bio><bio xml:lang="en"><p>Riyadh 11671, Saudi Arabia</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>Refat</surname><given-names>M. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Refat</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аль-Хавейя, 21974, Таиф; Порт-Саид</p></bio><bio xml:lang="en"><p>Al-Haweiah, Zip Code 21974, Taif, Saudi Arabia</p></bio><email xlink:type="simple">msrefat@yahoo.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научный колледж Университета принцессы Нуры бинт Абдулрахман</institution></aff><aff xml:lang="en"><institution>Department of Chemistry, College of Science at Princess Nourah bint Abdulrahman University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научный колледж Таифского университета; Университет Порт-Саида</institution></aff><aff xml:lang="en"><institution>Department of Chemistry, College of Science at Taif University, Department of Chemistry at Port Said University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>05</month><year>2021</year></pub-date><volume>88</volume><issue>2</issue><fpage>261</fpage><lpage>269</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Al-Saif F.A., Al-Humaidi J.Y., Binjawhar D.N., Bakhsh H.A., Refat M.S., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Al-Saif F.A., Al-Humaidi J.Y., Binjawhar D.N., Bakhsh H.A., Refat M.S.</copyright-holder><copyright-holder xml:lang="en">Al-Saif F.A., Al-Humaidi J.Y., Binjawhar D.N., Bakhsh H.A., Refat M.S.</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/816">https://zhps.ejournal.by/jour/article/view/816</self-uri><abstract><p>Получены уратные комплексы теллура(IV), тантала(V), селена(IV) и ниобия(V) в молярном соотношении металл:лиганд 1:1 и 2:1. Моноядерные и биядерные комплексы получены реакцией лиганда мочевой кислоты (H4UA) с хлоридами металлов TeCl4, TaCl5, SeCl4 и NbCl5 в присутствии NaOH. Моноядерные комплексы теллура(IV) и тантала(V) [Те(НзиА)(Н20)з(Cl)] • 2Cl • 2H2O (I) и [Ta(H3UA)(H20)2(Cl)2] • 2Cl • 4Н20 (II), а также биядерные комплексы селена(IV) и ниобия(V) [Se2(H2UA)(Cl)4] • 2Cl • 4H2O (III) и [Nb2(H2UA)(Cl)s] • 3H2O (IV) получены в присутствии NaOH при pH 8-9. Комплексы охарактеризованы методами ИК-Фурье- и 1H ЯМР-спектроскопии, а также элементного, электронного, термического анализа и анализа проводимости. В случае моноядерных комплексов координационными центрами являются атом кислорода пиримидинкарбонильной группы C(6)=O и имидазольный азот депротонированного N(7)-H. Помимо этих координационных центров пиримидинкарбонильный атом кислорода C(2)=O и азот пиримидина депротонированного N(3)-H участвуют в координации в биядерных комплексах. Уратные комплексы металлов имеют шестикоординатную геометрию, биядерный селен — четырехкоординатную. Исследована антибактериальная и противоопухолевая активность уратных комплексов. Антибактериальная активность не наблюдалась, за исключением активности грамотрицательной клебсиеллы. Показана высокая жизнеспособность клеток после лечения в клеточных линиях колоректальной аденокарциномы (Caco-2) и рака груди (MCF-7) с использованием анализа поглощения нейтрального красного.</p></abstract><trans-abstract xml:lang="en"><p>Novel tellurium(IV), tantalum(V), selenium(IV), and niobium(V) urate complexes were prepared with molar ratios 1:1 and 2:1 (metal:ligand). The uric acid (H4UA) ligand was reacted with TeCU, TaCf, SeCl4, and NbCf metal chlorides in the presence of NaOH to yield mononuclear and binuclear complexes. The mononuclear tellurium (IV) and tantalum(V) complexes formulas [Te(H3UA)(H2O)3(Cl)]-2Cl-2H2O (I) and [Ta(H3UA)(H2O)2(Cl)2]-2Cl-4H2O (II), as well as binuclear selenium(IV) and niobium(V) complexes [Se2(H2UA)(Cl)4] 2Cl 4H2O (III) and [Nb2(H2UA)(Cl)s]-3H2O (IV), were obtained in the presence of NaOH at pH 8-9. The metal complexes were characterized by elemental analyses, FTIR, 1H-NMR, electronic, conductivity, and thermal analyses. In the case of mononuclear complexes, the coordinating sites are the pyrimidine carbonyl oxygen atom of C(6)=O group and imidazole nitrogen of deprotonated N(7)-H. In addition to these coordinating sites, the pyrimidine carbonyl oxygen atom of C(2)=O and pyrimidine nitrogen of deprotonated N(3)-H are involved in coordination in binuclear complexes. The metal urate complexes exhibited six-coordinate geometries, while the binuclear selenium is four-coordinate. The antibacterial and anticancer activities of the urate complexes were investigated. No antibacterial activity was observed in any treatments, except for gram-negative Klebsiella, which showed a slight effect. The metal complexes showed high proportions of cell viability percentage after treatment in both colorectal adenocarcinoma (Caco-2) and breast cancer (MCF-7) cell lines using the neutral red uptake assay.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>урат</kwd><kwd>Те4+</kwd><kwd>Ta5+</kwd><kwd>Se4+</kwd><kwd>Nb5+</kwd><kwd>координация</kwd><kwd>спектроскопия</kwd><kwd>антимикробная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>urate</kwd><kwd>Te4+</kwd><kwd>Ta5+</kwd><kwd>Se4+</kwd><kwd>Nb5+</kwd><kwd>coordination</kwd><kwd>spectroscopy</kwd><kwd>antimicrobial activity</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">C. Remedios, M. Shah, A. G. Bhasker, M. Lakdawala, Obes. 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