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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">10.26896/1028-6861-2025-91-10-23-33</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-2620</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>Новые металл-аффинные сорбенты на основе тонких пленок стеаратов лантаноидов</article-title><trans-title-group xml:lang="en"><trans-title>New metal-affinity sorbents based on thin films of lanthanide stearates</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>Калниня</surname><given-names>Я. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalninia</surname><given-names>Ya. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яна Константиновна Калниня.</p><p>198095, г. Санкт-Петербург, ул. Ивана Черных, д. 31 – 33, лит. А;</p><p>192019, Санкт-Петербург, ул. Бехтерева, д. 1.</p></bio><bio xml:lang="en"><p>Yana K. Kalninia.</p><p>31 – 33, lit. A, ul. Ivana Chernykh, St. Petersburg, 198095;</p><p>1, ul. Bekhtereva, St. Petersburg, 192019.</p></bio><email xlink:type="simple">kln.yana.k@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>Хомяк</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Khomyak</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александра Евгеньевна Хомяк.</p><p>192019, Санкт-Петербург, ул. Бехтерева, д. 1.</p></bio><bio xml:lang="en"><p>Alexandra E. Khomyak.</p><p>1, ul. Bekhtereva, St. Petersburg, 192019.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жуков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Валерьевич Жуков.</p><p>198095, г. Санкт-Петербург, ул. Ивана Черных, д. 31 – 33, лит. А.</p></bio><bio xml:lang="en"><p>Mikhail V. Zhukov.</p><p>31 – 33, lit. A, ul. Ivana Chernykh, St. Petersburg, 198095.</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суходолов</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukhodolov</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Геннадьевич Суходолов.</p><p>198095, г. Санкт-Петербург, ул. Ивана Черных, д. 31 – 33, лит. А;</p><p>199034, Санкт-Петербург, Университетская набережная, д. 7 – 9.</p></bio><bio xml:lang="en"><p>Nikolay G. Sukhodolov.</p><p>31 – 33, lit. A, ul. Ivana Chernykh, St. Petersburg, 198095;</p><p>7 – 9, Universitetskaya nab., St. Petersburg, 199034.</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Подольская</surname><given-names>Е. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Podolskaya</surname><given-names>E. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Петровна Подольская.</p><p>198095, г. Санкт-Петербург, ул. Ивана Черных, д. 31 – 33, лит. А.</p></bio><bio xml:lang="en"><p>Ekaterina P. Podolskaya.</p><p>31 – 33, lit. A, ul. Ivana Chernykh, St. Petersburg, 198095.</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт аналитического приборостроения РАН; Научно-клинический центр токсикологии им. акад. С. Н. Голикова Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Analytical Instrumentation of the Russian Academy of Sciences; Golikov Research Center of Toxicology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-клинический центр токсикологии им. акад. С. Н. Голикова Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Golikov Research Center of Toxicology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт аналитического приборостроения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Analytical Instrumentation of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт аналитического приборостроения РАН; Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Analytical Instrumentation of the Russian Academy of Sciences; St. Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2025</year></pub-date><volume>91</volume><issue>10</issue><fpage>23</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Калниня Я.К., Хомяк А.Е., Жуков М.В., Суходолов Н.Г., Подольская Е.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Калниня Я.К., Хомяк А.Е., Жуков М.В., Суходолов Н.Г., Подольская Е.П.</copyright-holder><copyright-holder xml:lang="en">Kalninia Y.K., Khomyak A.E., Zhukov M.V., Sukhodolov N.G., Podolskaya E.P.</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/2620">https://www.zldm.ru/jour/article/view/2620</self-uri><abstract><p>Разработаны, охарактеризованы и исследованы в формате «лаборатория на мишени» новые металл-аффинные сорбенты на основе стеаратов лантаноидов. В ходе работы методом Ленгмюра, адаптированного к полусферической поверхности капли, на поверхности мишени для масс-спектрометрического анализа с лазерно-активированной десорбцией/ионизацией (МАЛДИ) сформированы 13 новых сорбентов, представляющих собой коллапсированные тонкие пленки (монослои) стеаратов церия, празеодима, неодима, самария, европия, гадолиния, тербия, диспрозия, гольмия, эрбия, тулия, иттербия и лютеция. Методами оптической, сканирующей электронной и атомно-силовой микроскопии показано, что на мишени образуются пятна материала с развитой поверхностью. Методом МАЛДИ-МС определено, что основным структурными звеном является дистеарат металла с одной лабильной валентностью. Все структуры проявляют специфичность по отношению к аддуктам белков крови с хлорсодержащими соединениями, что подтверждает их металл-аффинные свойства. При проведении металл-аффинной экстракции в формате «лаборатория на мишени» сорбенты на основе стеаратов иттербия, тулия, эрбия, гадолиния, неодима и церия проявляют наиболее выраженные металл-аффинные свойства, хороший уровень специфичности и селективности. Структуры на основе стеарата гадолиния можно отнести к универсальным металл-аффинным сорбентам, имеющим большие перспективы в биоорганическом анализе. Металл-аффинные сорбенты, содержащие неодим, празеодим, гадолиний, диспрозий, гольмий, тулий и лютеций, исследованы и описаны впервые.</p></abstract><trans-abstract xml:lang="en"><p>New metal-affinity sorbents based on lanthanide stearates have been developed, characterized and studied in the «laboratory on target» format. In the course of the Langmuir method, adapted to the hemispherical surface of the droplet, 13 new sorbents were formed on the surface of the target for matrix-activated laser desorption/ionization mass spectrometry (MALDI), representing collapsed thin films (monolayers) of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium stearates. The methods of optical microscopy, scanning electron microscopy, and atomic force microscopy have shown that spots of a material with a developed surface are formed on the target. Using MALDI MS, it was determined that the main structural unit is a metal distearate with one labile valence. All structures exhibit specificity towards chlorine-containing adducts, which confirms their metal-affinity properties. When conducting metal-affinity extraction in the «laboratory on target» format, sorbents based on ytterbium, thulium, erbium, gadolinium, neodymium, and cerium stearates exhibit the most pronounced metal-affinity properties, a good level of specificity and selectivity. Gadolinium stearate-based structures can be attributed to universal metal-affinity sorbents that have great prospects in bioorganic analysis. Metal-affinity sorbents containing neodymium, praseodymium, gadolinium, dysprosium, holmium, thulium and lutetium have been investigated and described for the first time.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лантаноиды</kwd><kwd>металл-аффинная хроматография</kwd><kwd>сорбенты</kwd><kwd>матрично-активированная лазерная десорбция/ионизация</kwd><kwd>масс-спектрометрия</kwd><kwd>монослои Ленгмюра</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lanthanides</kwd><kwd>metal-affinity chromatography</kwd><kwd>sorbents</kwd><kwd>matrix-activated laser desorption/ionization</kwd><kwd>mass spectrometry</kwd><kwd>Langmuir monolayers</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Министерства науки и высшего образования Российской Федерации (рег. № 125030703338-7).  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