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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">54088</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>БИООРГАНИЧЕСКАЯ, БИОФИЗИЧЕСКАЯ И МЕДИЦИНСКАЯ ХИМИЯ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>BIOORGANIC, BIOPHYSICAL AND MEDICINAL CHEMISTRY</subject>
    </subj-group>
    <subj-group>
     <subject>БИООРГАНИЧЕСКАЯ, БИОФИЗИЧЕСКАЯ И МЕДИЦИНСКАЯ ХИМИЯ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">FORMATION OF SPHINGOMYELIN MICELLES UNDER DIFFERENT CONDITIONS</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>МИЦЕЛЛООБРАЗОВАНИЕ СФИНГОМИЕЛИНА В РАЗЛИЧНЫХ УСЛОВИЯХ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шишкина</surname>
       <given-names>Л Н</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shishkina</surname>
       <given-names>L N</given-names>
      </name>
     </name-alternatives>
     <email>shishkina@sky.chph.ras.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Маракулина</surname>
       <given-names>К М</given-names>
      </name>
      <name xml:lang="en">
       <surname>Marakulina</surname>
       <given-names>K M</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Плащина</surname>
       <given-names>И Г</given-names>
      </name>
      <name xml:lang="en">
       <surname>Plashchina</surname>
       <given-names>I G</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">ФГБУН Институт биохимической физики им. Н.М. Эмануэля РАН</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Emanuel Institute of Biochemical Physics of Russian Academy of Sciences</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">ФГБУН Институт биохимической физики им. Н.М. Эмануэля РАН</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Emanuel Institute of Biochemical Physics of Russian Academy of Sciences</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">ФГБУН Институт биохимической физики им. Н.М. Эмануэля РАН</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Emanuel Institute of Biochemical Physics of Russian Academy of Sciences</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2016-12-25T20:22:29+03:00">
    <day>25</day>
    <month>12</month>
    <year>2016</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2016-12-25T20:22:29+03:00">
    <day>25</day>
    <month>12</month>
    <year>2016</year>
   </pub-date>
   <volume>1</volume>
   <issue>2</issue>
   <fpage>151</fpage>
   <lpage>154</lpage>
   <history>
    <date date-type="received" iso-8601-date="2016-12-20T20:22:29+03:00">
     <day>20</day>
     <month>12</month>
     <year>2016</year>
    </date>
    <date date-type="accepted" iso-8601-date="2016-12-20T20:22:29+03:00">
     <day>20</day>
     <month>12</month>
     <year>2016</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54088/view">https://rusjbpc.ru/en/nauka/article/54088/view</self-uri>
   <abstract xml:lang="ru">
    <p>Обобщены результаты изучения процесса мицеллообразования сфингомиелина (СМ), одного из основных фосфолипидов внешнего слоя мембран в клетках млекопитающих, в зависимости от концентрации препарата, наличия других фосфолипидов в малых количествах, времени экспозиции раствора и полярности среды. Чистоту коммерческих препаратов СМ контролировали методом тонкослойной хроматографии. Используя метод динамического рассеяния света, в неполярной среде ( н -гексан) обнаружена нелинейная зависимость размера мицелл СМ как от концентрации препарата, так и времени экспозиции раствора при самопроизвольной агрегации. Размер мицелл СМ в н -гексане уменьшается с ростом суммарного содержания лизоформ и фосфатидилэтаноламина и увеличивается с возрастанием суммарного содержания СМ и фосфатидилхолина в составе ФЛ коммерческих препаратов СМ. Агрегация СМ в полярной среде (0.8%-ный водно-этанольный раствор) приводит к существенному уменьшению среднего диаметра мицелл по сравнению с аналогичным показателем в н -гексане при равных концентрациях СМ в растворе. Очевидно, это обусловлено разрывом внутримолекулярной водородной связи в молекуле СМ между OH-группой остатка сфингозина и эфирным кислородом в фосфатной группе головки СМ в полярной среде.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Results of the investigation about the formation of the sphingomyelin (SM) micelles, which is one of the major phospholipids in the outer leaflet of membranes in the animal cells, are generalized in dependence on the preparation concentration, presence of another phospholipids at the low amounts, the exposure duration of solution and the medium polarity. The purity of commercial samples of SM was controlled by thin layer chromatography method. Non-linear dependence of the SM micelle size both on the preparation concentration and the exposure duration of solution was discovered by means of dynamic light scattering method under the self-aggregation in non-polar medium ( n -hexane). When the sum content of lysoforms and phosphatidylethanolanime decreases and the sum amount of the SM and phosphatidylcholine increases in the phospholipid composition of SM commercial preparations, the size of the SM micelles in hexane is found to be bigger. The SM aggregation in polar medium (0.8 % water-ethanol solution) results in the substantial diminution of the mean diameter of micelles as compared with than in hexane under equal concentrations of SM in the solution. Obviously, it is due to the disruption of an intramolecular H-bond between of OH-group of the sphingosine moiety and the phosphate ester oxygen of the head group in polar medium.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>сфингомиелин</kwd>
    <kwd>агрегация</kwd>
    <kwd>полярность среды</kwd>
    <kwd>тонкослойная хроматография</kwd>
    <kwd>динамическое рассеяние света</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>sphingomyelin</kwd>
    <kwd>aggregation</kwd>
    <kwd>medium polarity</kwd>
    <kwd>thin layer chromatography</kwd>
    <kwd>dynamic light scattering</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
 <back>
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