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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestich-15</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>БИООРГАНИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOORGANIC CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Химическая модификация белков поликарбоксилатным комплексонатом европия</article-title><trans-title-group xml:lang="en"><trans-title>Chemical modification of protein with europium polycarboxylate complexonates</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>Гарбуз</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Garbuz</surname><given-names>O. S.</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>Вашкевич</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vashkevich</surname><given-names>I. I.</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>Свиридов</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sviridov</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт биоорганической химии НАН Беларуси</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>1</issue><fpage>85</fpage><lpage>90</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гарбуз О.С., Вашкевич И.И., Свиридов О.В., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Гарбуз О.С., Вашкевич И.И., Свиридов О.В.</copyright-holder><copyright-holder xml:lang="en">Garbuz O.S., Vashkevich I.I., Sviridov O.V.</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://vestichem.belnauka.by/jour/article/view/15">https://vestichem.belnauka.by/jour/article/view/15</self-uri><abstract><p>Предложена новая методика химической модификации белков поликарбоксилатными металлохелатами. Синтезированы конъюгаты иммуноглобулинов и микробного белка стрептавидина с комплексонатом Еu3+. В системах лантанидного иммунофлуориметрического анализа и с помощью электрофореза в полиакриламидном геле проведено сравнение белковых металлохелатных комплексов, полученных с помощью диангидрида диэтилентриаминпентауксусной кислоты и моно-N-оксисукцинимидного эфира поликарбоксилатного комплексоната европия.</p></abstract><trans-abstract xml:lang="en"><p>A new technique for chemical modification of proteins with polycarboxylate metalochelates has been proposed. The conjugates of immunoglobulin and streptavidin, a bacterial protein, with Eu3+ complexonates have been synthesized. Protein metallochelate complexes prepared using diethylenetriaminepentaacetic acid dianhydride have been compared to those prepared from mono-N-hydroxysuccinimide ester of Eu3+ polycarboxylate complexonate, using dissociation-based timeresolved fluoroimmunoassay systems.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hemmila I., Dakubu S., Mukkala V.-M. et al. // Anal. Biochem. 1984. Vol. 137, N 2. P. 335-343.</mixed-citation><mixed-citation xml:lang="en">Hemmila I., Dakubu S., Mukkala V.-M. et al. // Anal. Biochem. 1984. Vol. 137, N 2. P. 335-343.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Mukkala V. M., Mikola H., Hemmila I. // Anal. Biochem. 1989. Vol. 176, N 2. P. 319-325.</mixed-citation><mixed-citation xml:lang="en">Mukkala V. M., Mikola H., Hemmila I. // Anal. 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