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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">antibiotics</journal-id><journal-title-group><journal-title xml:lang="ru">Антибиотики и Химиотерапия</journal-title><trans-title-group xml:lang="en"><trans-title>Antibiot Khimioter = Antibiotics and Chemotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0235-2990</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">antibiotics-425</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ СТРУКТУРНЫХ ОСОБЕННОСТЕЙ ИСХОДНЫХ СУБСТАНЦИЙ ИБУПРОФЕНА И ВЛИЯНИЯ МИКРОНИЗАЦИИ</article-title><trans-title-group xml:lang="en"><trans-title>INVESTIGATION OF STRUCTURAL CHARACTERISTICS OF INITIAL SUBSTANCES OF IBUPROFEN AND MICRONIZATION IMPACT</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>Лобанов</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lobanov</surname><given-names>N. N.</given-names></name></name-alternatives><email xlink:type="simple">nnlobanov@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>Хучуа</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Knuchua</surname><given-names>N. 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>Обидченко</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Obidenko</surname><given-names>YU. A.</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>Абрамович</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramovich</surname><given-names>R. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр коллективного пользования (научно-образовательного центра) Российского университета дружбы народов</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian University of People Friendship</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>13</day><month>05</month><year>2020</year></pub-date><volume>57</volume><issue>3-4</issue><fpage>3</fpage><lpage>8</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ООО «Издательство ОКИ», 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">ООО «Издательство ОКИ»</copyright-holder><copyright-holder xml:lang="en">ООО «Издательство ОКИ»</copyright-holder><license xlink:href="https://www.antibiotics-chemotherapy.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.antibiotics-chemotherapy.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.antibiotics-chemotherapy.ru/jour/article/view/425">https://www.antibiotics-chemotherapy.ru/jour/article/view/425</self-uri><abstract><p>Сравнивали структурные особенности субстанций ибупрофена разных производителей и влияние на них микронизации Проведённые исследования показывают, что для сертификации лекарственных препаратов (кристаллических) необходимо использовать рентгенодифракционные методы, так как только они дают информацию о кристаллическом строении препарата, состоянии молекул в препарате, полиморфных формах.</p></abstract><trans-abstract xml:lang="en"><p>Structural characteristics of ibuprofen substances manufactured by different firms and the impact of micronization on them were compared. The study showed that the use of X-ray diffraction methods was necessary for certification of medicinal (crystalline) since only such methods provided information on the substance crystal structure, the molecular state and polymorphous forms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ибупрофен</kwd><kwd>субстанции</kwd><kwd>микронизация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ibuprofen</kwd><kwd>substances</kwd><kwd>micronization</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">Stone K. H., Lapidus S. H., Stephens P. W. J Appl Cryst 2009; 42: 3: 385-391.</mixed-citation><mixed-citation xml:lang="en">Stone K. H., Lapidus S. H., Stephens P. W. 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