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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10621</article-id><article-id pub-id-type="doi">10.32607/20758251-2012-4-4-78-90</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Gold Nanoparticle Clusters in Quasinematic Layers of Liquid-Crystalline Dispersion Particles of Double-Stranded Nucleic Acids</article-title><trans-title-group xml:lang="ru"><trans-title>Кластеры из наночастиц золота в квазинематических слоях частиц жидкокристаллических дисперсий двухцепочечных нуклеиновых кислот</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yevdokimov</surname><given-names>Yu. M.</given-names></name><name xml:lang="ru"><surname>Евдокимов</surname><given-names>Ю. M.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yevdokim@eimb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Salyanov</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Салянов</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yevdokim@eimb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Katz</surname><given-names>E. I.</given-names></name><name xml:lang="ru"><surname>Кац</surname><given-names>E. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yevdokim@eimb.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Skuridin</surname><given-names>S. G.</given-names></name><name xml:lang="ru"><surname>Скуридин</surname><given-names>С. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yevdokim@eimb.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Engelhardt Institute of Molecular Biology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт молекулярной биологии им. В.А. Энгельгардта РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Landau Institute for Theoretical Physics, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт теоретической физики им. Л.Д. Ландау РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2012</year></pub-date><volume>4</volume><issue>4</issue><issue-title xml:lang="en">VOL 4, NO4 (2012)</issue-title><issue-title xml:lang="ru">ТОМ 4, №4 (2012)</issue-title><fpage>78</fpage><lpage>90</lpage><history><date date-type="received" iso-8601-date="2020-01-17"><day>17</day><month>01</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Yevdokimov Y.M., Salyanov V.I., Katz E.I., Skuridin S.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Евдокимов Ю.M., Салянов В.И., Кац E.И., Скуридин С.Г.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Yevdokimov Y.M., Salyanov V.I., Katz E.I., Skuridin S.G.</copyright-holder><copyright-holder xml:lang="ru">Евдокимов Ю.M., Салянов В.И., Кац E.И., Скуридин С.Г.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/10621">https://actanaturae.ru/2075-8251/article/view/10621</self-uri><abstract xml:lang="en"><p>This work is devoted to the investigation of the methanogenic archaea involved in anaerobic digestion of cattle manure and maize straw on the basis of terminal restriction fragment length polymorphism (TRFLP) analysis of archaeal 16S rRNA genes. The biological diversity and dynamics of methanogenic communities leading to anaerobic degradation of agricultural organic wastes with biogas production were evaluated in laboratory-scale digesters. T-RFLP analysis, along with the establishment of archaeal 16S rRNA gene clone libraries, showed that the methanogenic consortium consisted mainly of members of the genera Methanosarcina and Methanoculleus, with a predominance of Methanosarcina spp. throughout the experiment.</p></abstract><trans-abstract xml:lang="ru"><p>Рассмотрено действие наночастиц золота на частицы холестерических жидкокристаллических дисперсий, сформированных из двухцепочечных молекул ДНК и поли(1)Хполи(С). Показано, что наночастицы малого размера (~ 2 нм) индуцируют два разных процесса: (1) переход холестерической структуры частицы дисперсии в нематическую, сопровождаемый быстрым уменьшением амплитуды аномальной полосы в спектре кругового дихроизма, и (2) формирование кластеров из наночастиц золота в «свободном пространстве» между соседними молекулами ДНК, фиксированными в структуре квазинематических слоев частиц дисперсии, сопровождаемое медленным развитием полосы поверхностного плазмонного резонанса. Изучено действие разных факторов на эти процессы. Высказаны предположения о возможных механизмах фиксации наночастиц золота между соседними молекулами нуклеиновых кислот в квазинематических слоях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>archaeal 16S rRNA genes</kwd><kwd>T-RFLP analysis</kwd><kwd>biogas production</kwd><kwd>methanogens</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ДНК</kwd><kwd>поли(I)×поли(C)</kwd><kwd>жидкокристаллические дисперсии нуклеиновых кислот</kwd><kwd>наночастицы золота</kwd><kwd>круговой дихроизм</kwd><kwd>поверхностный плазмонный резонанс</kwd><kwd>цитотоксичность наночастиц</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was supported by the Federal Target-Oriented Program “Research and Elaboration of Priority Directions of Science and Engineering Development of the Scientific-Engineering Complex of Russia for 2007–2013” (Government Contract No. 14.527.12.0012 dated October 13, 2011; application code «2011-2.7-527-012-001») and by the Russian Foundation for Basic Research (project No. 11-04-00118-a).</funding-statement><funding-statement xml:lang="ru">Работа поддержана ФЦП «Исследования и разработки по приоритетным направлениям развития научно-технологического комплекса России на 2007–2013 годы» в рамках государственного контракта № 14.527.12.0012 от 13 октября 2011 г.; шифр заявки «2011-2.7-527-012-001», а также РФФИ (проект № 11-04-00118-а).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Дыкман Л.А., Богатырев В.А., Щеголев С.Ю., Хлебцов Н.Г Золотые наночастицы: синтез, свойства, биомедицинское применение. 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