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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</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">dan-143</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>БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGY</subject></subj-group></article-categories><title-group><article-title>ПОЛУПРОВОДНИКОВЫЕ НАНОЧАСТИЦЫ СЕЛЕНИДА КАДМИЯ КАК ФЛУОРЕСЦЕНТНЫЕ КЛЕТОЧНЫЕ МАРКЕРЫ</article-title><trans-title-group xml:lang="en"><trans-title>SEMICONDUCTOR NANOPARTICLES OF CADMIUM SELENIDE AS FLUORESCENT CELL MARKER</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>ПЕТРОВА</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>PETROVA</surname><given-names>Е. А.</given-names></name></name-alternatives><email xlink:type="simple">helena_iseu@mail.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>ТЕРПИНСКАЯ</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>TERPINSKAYA</surname><given-names>T. I.</given-names></name></name-alternatives><email xlink:type="simple">terpinskayat@mail.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>АРТЕМЬЕВ</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>ARTEMYEV</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">m_artemyev@yahoo.com</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>УЛАЩИК</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>ULASHCHYK</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик</p></bio><email xlink:type="simple">biblio@fizio.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физиологии НАН Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>НИИ физико-химических проблем БГУ, Минск</institution></aff><aff xml:lang="en"><institution>Institute for Physico-Chemical Problems of Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2016</year></pub-date><volume>59</volume><issue>5</issue><fpage>55</fpage><lpage>61</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ПЕТРОВА Е.А., ТЕРПИНСКАЯ Т.И., АРТЕМЬЕВ М.В., УЛАЩИК В.С., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ПЕТРОВА Е.А., ТЕРПИНСКАЯ Т.И., АРТЕМЬЕВ М.В., УЛАЩИК В.С.</copyright-holder><copyright-holder xml:lang="en">PETROVA Е.А., TERPINSKAYA T.I., ARTEMYEV M.V., ULASHCHYK V.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://doklady.belnauka.by/jour/article/view/143">https://doklady.belnauka.by/jour/article/view/143</self-uri><abstract><p>Исследованы цитотоксичность и поглощение клетками флуоресцентных полупроводниковых наночастиц CdSe/ ZnS с различным типом оболочки. Поглощение флуоресцентных полупроводниковых наночастиц клетками в условиях in vitro зависит от конструкции наночастицы (состава оболочки и, в меньшей степени, от размера ядра), типа клеток и степени их дифференцировки. Цитотоксичность флуоресцентных полупроводниковых наночастиц селенида кадмия обусловлена структурой их оболочки. Показана возможность неспецифической маркировки клеток in vitro с использованием наночастиц с покрытиями из цистеина, меркаптоундекановой кислоты и тиогликолиевой кислоты. Функционализация покрытых карбоксиметилдекстраном флуоресцентных полупроводниковых наночастиц фибронектином обеспечивает усиление их связывания с целевыми клетками опухолей in vitro. Наночастицы с оболочкой из цистеина могут служить для визуализации клеток в лимфоузлах in vivo при внутрибрюшинном введении.</p></abstract><trans-abstract xml:lang="en"><p>Cytotoxicity and the cellular uptake of different-coated fluorescent semiconductor nanoparticles CdSe/ZnS were studied. The cellular uptake of fluorescent semiconductor nanoparticles in vitro depends on the nanoparticle construction (coating composition and to a lesser extent on the core size), the type of cells, and the stage of cell differentiation. Cytotoxicity of fluorescent semiconductor nanoparticles is determined by the coating composition. Non-specific labeling of cells was demonstrated in vitro using fluorescent semiconductor nanoparticles coated with cysteine, and mercaptoundecanoic and thioglycolic acids. Fibronectin-modified fluorescent semiconductor nanoparticles with carboximethyldextran-shell bind by target tumor cells in vitro. Nanoparticles coated with cysteine are suitable for cell visualization in lymph nodes after intraperitoneal injection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полупроводниковые нанокристаллы</kwd><kwd>флуоресцентные маркеры</kwd><kwd>поглощение клетками</kwd><kwd>цитотоксичность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>semiconductor nanocrystals</kwd><kwd>fluorescent markers</kwd><kwd>cellular uptake</kwd><kwd>cytotoxicity</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">Biological applications of quantum dots / T. Jamieson [et al.] // Biomaterials. – 2007. – Vol. 28. – P. 4717–4732.</mixed-citation><mixed-citation xml:lang="en">Biological applications of quantum dots / T. 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