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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-456</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="en"><subject>CHEMISTRY AND TECHNOLOGY OF INORGANIC MATERIALS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И ТЕХНОЛОГИЯ НЕОРГАНИЧЕСКИХ МАТЕРИАЛОВ</subject></subj-group></article-categories><title-group><article-title>Polyelectrolyte microcapsules modified with nanoscale titanium dioxide for targeted drug delivery</article-title><trans-title-group xml:lang="ru"><trans-title>Полиэлектролитные микрокапсулы, модифицированные наноразмерным диоксидом титана, для адресной доставки лекарственных средств</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>Демина</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Demina</surname><given-names>P. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Физики и химии твердого тела, аспирант</p></bio><email xlink:type="simple">marrakew@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>Дегтярева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Degtyareva</surname><given-names>Е. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Физики и химии твердого тела, студент</p></bio><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>Кузьмичева</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuz’micheva</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Физики и химии твердого тела, профессор</p></bio><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>Букреева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bukreeva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доцент</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИТХТ им. М.В. Ломоносова, 119571, Москва, пр-т Вернадского, д. 86</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт кристаллографии им А.В. Шубникова РАН, Москва, 119333</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.V. Shubnikov Institute of Crystallography RAS, Moscow, 119333</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>28</day><month>08</month><year>2014</year></pub-date><volume>9</volume><issue>4</issue><fpage>73</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Demina P.А., Degtyareva Е.V., Kuz’micheva G.M., Bukreeva T.V., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Демина П.А., Дегтярева Е.В., Кузьмичева Г.М., Букреева Т.В.</copyright-holder><copyright-holder xml:lang="en">Demina P.А., Degtyareva Е.V., Kuz’micheva G.M., Bukreeva T.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://www.finechem-mirea.ru/jour/article/view/456">https://www.finechem-mirea.ru/jour/article/view/456</self-uri><abstract><p>Polyelectrolyte microcapsules composed of CaCO3-core and shell polydiallyldimethylammonium polistirolsufonatpolystyrenesulfonate, were obtained by Layer-by-Layer-method. They were modified with nanoscale titanium dioxide with rutile structure and commercial Degussa P25 and Hombikat UV-100. Besides it has been shown that the sample Hombikat UV-100 is better included in the capsule shell because of a largerspecific surface area and the presence of hydrated component in composition of sample. Resistance to UVradiation was tested on the capsules modified with Degussa P25. It has been established that the modification takes place only in the case of "thick" shells with the number of bilayers being x=8. In the case of shells with x=4 there is a destruction of polyelectrolyte capsules during modification. It has been found that the degree of modification of capsules by nanosizedtitanium dioxide depends on the shell thickness (value x) as well as on the surface of nanoscale titanium dioxide samples</p></abstract><trans-abstract xml:lang="ru"><p>Методом послойной адсорбции получены полиэлектролитные микрокапсулы, состоящие из CaCO3-ядра и полидиаллилдиметиламмноний-полистиролсульфонатной оболочки, модифицированной наноразмерным диоксидом титана со структурой рутила, а также коммерческими образцами Degussa P 25 и Hombikat UV-100. Показано, что образец Hombikat UV-100 включается в оболочку капсулы на порядок лучше, причем микрокапсулы с Degussa P 25 разрушаются под действием УФ-излучения, что делает возможным использование данной системы в адресной доставке лекарств.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нано-диоксид титана</kwd><kwd>полиэлектролитные микрокапсулы</kwd><kwd>адресная доставка лекарственных препаратов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titania nanoparticles</kwd><kwd>titanium dioxide</kwd><kwd>polyelectrolyte microparticles</kwd><kwd>drug delivery</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">Sukhorukov G.B., Donath E., Lichtenfeld H., Knippel H., Knippel M., Budde A., Möhwald H. Layer-by-layer self assembly of polyelectrolyteson colloidal Particles // Colloids Surf. A. 1998. V. 137. 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