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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">54000</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Общая биофизика</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>General biophysics</subject>
    </subj-group>
    <subj-group>
     <subject>Общая биофизика</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">CELLULAR EFFECTS OF NEUTRON RADIATION EXPOSURE</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>КЛЕТОЧНЫЕ ЭФФЕКТЫ ВОЗДЕЙСТВИЯ НЕЙТРОННОГО ИЗЛУЧЕНИЯ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кузнецов</surname>
       <given-names>К А</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kuznetsov</surname>
       <given-names>K A</given-names>
      </name>
     </name-alternatives>
     <email>Co-Smith@yandex.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Бережной</surname>
       <given-names>А Ю</given-names>
      </name>
      <name xml:lang="en">
       <surname>Berezhnoy</surname>
       <given-names>A Y</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кизим</surname>
       <given-names>П С</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kyzym</surname>
       <given-names>P S</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Онищенко</surname>
       <given-names>Г М</given-names>
      </name>
      <name xml:lang="en">
       <surname>Onishchenko</surname>
       <given-names>G M</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шкорбатов</surname>
       <given-names>Ю Г</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shckorbatov</surname>
       <given-names>Y G</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Харьковский национальный университет им. В.Н. Каразина</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">V.N. Karazin Kharkiv National University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Харьковский национальный университет им. В.Н. Каразина</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">V.N. Karazin Kharkiv National University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Харьковский национальный университет им. В.Н. Каразина</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">V.N. Karazin Kharkiv National University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Харьковский национальный университет им. В.Н. Каразина</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">V.N. Karazin Kharkiv National University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Харьковский национальный университет им. В.Н. Каразина</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">V.N. Karazin Kharkiv National University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2016-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2016</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2016-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2016</year>
   </pub-date>
   <volume>1</volume>
   <issue>1</issue>
   <fpage>87</fpage>
   <lpage>90</lpage>
   <history>
    <date date-type="received" iso-8601-date="2016-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2016</year>
    </date>
    <date date-type="accepted" iso-8601-date="2016-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2016</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54000/view">https://rusjbpc.ru/en/nauka/article/54000/view</self-uri>
   <abstract xml:lang="ru">
    <p>С помощью методики определения степени конденсации хроматина в ядрах клеток буккального эпителия человека показана реакция на воздействие нейтронного излучения с разным временем экспозиции. В качестве источника нейтронного излучения были использованы два Pu-Be источника ИБН-17 (Россия). Диапазон энергий испускаемых нейтронов: 100 кэВ - 10 МэВ, поток нейтронов одного источника 5*107 нейтр./с, излучение изотропно, расстояние до образца - 5 см. Облучение проб клеток происходило на протяжении 1 - 64 мин. Обработанные клетки окрашивались 2% раствором орсеина в 45% уксусной кислоте. Содержание гранул гетерохроматина (СГГ) определяли в ядрах 100 клеток и по среднему количеству гранул в ядре определяли степень конденсированности хроматина. Установлена нелинейная зависимость показателя конденсированности хроматина в ядре (стрессовой реакции клетки). Максимального значения изучаемый показатель достигал при 16-минутном облучении, дальнейшее увеличение времени облучения приводило к снижению показателя. Полученные данные проанализированы на соответствие одноударной и двухударной моделям распределения Пуассона, а также распределению Гаусса и Вигнера. Установлено, что распределение Пуассона в качестве модели радиационных повреждений наиболее точно отображает наблюдаемые изменения в клетках.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The answer to neutron radiation of different exposure time was demonstrated in nuclei of isolated human buccal epithelial cells by the method of assessment of the degree of chromatin condensation. As a neutron radiation source two sources Pu-Be IBN-17 (Russia) have been used. The range of emitted neutrons energies was 100 keV - 10 MeV, the neutron flux 5 * 107 n/s, the irradiation was isotropic. Cell samples were exposed to radiation during 1 - 64 minutes. Exposed cells were stained with 2% orcein in 45% acetic acid. The content of the heterochromatin granules quantity (HGQ) was counted in nuclei of 100 cells, and the mean number of HGQ per nucleus was determined as a measure of chromatin condensation. The nonlinear dependence of chromatin condensation in the nuclei (cell stress reaction) from irradiation time was observed. The maximum value of HGQ reached after 16-minute exposure, further increase of the exposure time lead to decrease of HGQ. The data has been analyzed for compliance with the single- and double-hit models of the Poisson distribution, as well as the Gaussian and Wigner distributions. It is found that the Poisson distribution as a model of radiation impact reflects changes in cell reaction of chromatin condensation most accurately.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>клеточный стресс</kwd>
    <kwd>гетерохроматин</kwd>
    <kwd>нейтронное излучение</kwd>
    <kwd>распределение Гаусса</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>cell stress</kwd>
    <kwd>heterochromatin</kwd>
    <kwd>neutron radiation</kwd>
    <kwd>Gauss distribution</kwd>
   </kwd-group>
  </article-meta>
 </front>
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