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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">10511</article-id><article-id pub-id-type="doi">10.32607/20758251-2015-7-2-108-114</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">The Use of Atomic Force Microscopy for 3D Analysis of Nucleic Acid Hybridization on Microarrays</article-title><trans-title-group xml:lang="ru"><trans-title>Применение атомно-силовой микроскопии для 3D-анализа результатов гибридизации нуклеиновых кислот на микрочипах</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dubrovin</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Дубровин</surname><given-names>E. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Presnova</surname><given-names>G. V.</given-names></name><name xml:lang="ru"><surname>Преснова</surname><given-names>Г. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rubtsova</surname><given-names>M. Yu.</given-names></name><name xml:lang="ru"><surname>Рубцова</surname><given-names>M. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Egorov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Егоров</surname><given-names>A. M.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grigorenko</surname><given-names>V. G</given-names></name><name xml:lang="ru"><surname>Григоренко</surname><given-names>В. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yaminsky</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Яминский</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dubrovin@polly.phys.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy of Postgraduate Education</institution></aff><aff><institution xml:lang="ru">Российская медицинская академия последипломного образования</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2015</year></pub-date><volume>7</volume><issue>2</issue><issue-title xml:lang="en">VOL 7, NO2 (2015)</issue-title><issue-title xml:lang="ru">ТОМ 7, №2 (2015)</issue-title><fpage>108</fpage><lpage>114</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 ©; 2015, Dubrovin E.V., Presnova G.V., Rubtsova M.Y., Egorov A.M., Grigorenko V.G., Yaminsky I.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Дубровин E.В., Преснова Г.В., Рубцова M.Ю., Егоров A.M., Григоренко В.Г., Яминский И.В.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Dubrovin E.V., Presnova G.V., Rubtsova M.Y., Egorov A.M., Grigorenko V.G., Yaminsky I.V.</copyright-holder><copyright-holder xml:lang="ru">Дубровин E.В., Преснова Г.В., Рубцова M.Ю., Егоров A.M., Григоренко В.Г., Яминский И.В.</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/10511">https://actanaturae.ru/2075-8251/article/view/10511</self-uri><abstract xml:lang="en"><p>Oligonucleotide microarrays are considered today to be one of the most efficient methods of gene diagnostics. The capability of atomic force microscopy (AFM) to characterize the three-dimensional morphology of single molecules on a surface allows one to use it as an effective tool for the 3D analysis of a microarray for the detection of nucleic acids. The high resolution of AFM offers ways to decrease the detection threshold of target DNA and increase the signal-to-noise ratio. In this work, we suggest an approach to the evaluation of the results of hybridization of gold nanoparticle-labeled nucleic acids on silicon microarrays based on an AFM analysis of the surface both in air and in liquid which takes into account of their three-dimensional structure. We suggest a quantitative measure of the hybridization results which is based on the fraction of the surface area occupied by the nanoparticles.</p></abstract><trans-abstract xml:lang="ru"><p>Олигонуклеотидные микрочипы считаются в настоящее время одним из наиболее эффективных методов генодиагностики. Способность атомно-силовой микроскопии (АСМ) характеризовать трехмерную морфологию отдельных молекул, находящихся на поверхности носителя, позволяет использовать ее как эффективный инструмент 3D-анализа поверхности микрочипа для детекции нуклеиновых кислот. Высокое разрешение АСМ открывает потенциальные возможности для снижения порога детекции ДНК-мишени, повышения соотношения сигнал/шум. В представленной работе разработан подход к оценке результатов гибридизации нуклеиновых кислот, меченных золотыми наночастицами, на кремниевых микрочипах на основе АСМ-исследования поверхности как на воздухе, так и в жидкости, учитывающий их трехмерную структуру. Для количественной оценки результатов гибридизации предложен критерий, интерпретируемый как доля площади поверхности, занимаемой наночастицами.</p></trans-abstract><kwd-group xml:lang="en"><kwd>DNA</kwd><kwd>oligonucleotide microarrays</kwd><kwd>hybridization</kwd><kwd>atomic force microscopy</kwd><kwd>gold nanoparticles</kwd><kwd>CTXM type β-lactamases</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ДНК</kwd><kwd>атомно-силовая микроскопия</kwd><kwd>гибридизация</kwd><kwd>наночастицы золота</kwd><kwd>олигонуклеотидные микрочипы</kwd><kwd>β-лактамазы СТХ-М-типа</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was supported by the RFBR (grant No. 15-04-07678) and partially by a grant from the President of the Russian Federation for state support for young scientists (MK-312.2013.2).</funding-statement><funding-statement xml:lang="ru">Работа поддержана РФФИ (грант № 15-04-07678) и частично грантом Президента РФ для государственной поддержки молодых ученых (МК-312.2013.2).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>[1] Schena M., Shalon D., Davis R.W., Brown P.O. // Science. 1995, V.270, P.467-470</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>[2] Yoo S.M., Choi J.H., Lee S.Y., Yoo N.C. // J. 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