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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">medlit</journal-id><journal-title-group><journal-title xml:lang="ru">Гигиена и санитария</journal-title><trans-title-group xml:lang="en"><trans-title>Hygiene and Sanitation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0016-9900</issn><issn pub-type="epub">2412-0650</issn><publisher><publisher-name>Federal Scientific Center of Hygiene named after F.F. Erisman</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47470/0016-9900-2019-98-3-343-348</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-299</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>МЕТОДЫ ГИГИЕНИЧЕСКИХ ИССЛЕДОВАНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS OF HYGIENIC AND EXPERIMENTAL INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Методическое обеспечение контроля содержания стойкого органического загрязнителя гексахлорбензола в крови</article-title><trans-title-group xml:lang="en"><trans-title>Methodical support for control over the concentration of persistent organic pollutant hexachlorobenzene in blood</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2344-3037</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нурисламова</surname><given-names>Татьяна Валентиновна</given-names></name><name name-style="western" xml:lang="en"><surname>Nurislamova</surname><given-names>Tatyana V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор биол. наук, зам. зав. отделом химико-аналитических методов исследования ФБУН «ФНЦ медико-профилактических технологий управления рисками здоровью населения», 614045, г. Пермь.</p><p>E-mail: nurtat@fcrisk.ru</p></bio><bio xml:lang="en"><p>MD, Ph.D., DSci., Deputy to Head of Chemical-Analytical Research Department Federal Scientific Center For Medical And Preventive Health Risk Management Technologies, Perm, 614045, Russian Federation.</p><p>e-mail: nurtat@fcrisk.ru</p></bio><email xlink:type="simple">nurtat@fcrisk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9238-5598</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уланова</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ulanova</surname><given-names>T. 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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9730-9092</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>N. 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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7664-3270</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мальцева</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Maltseva</surname><given-names>O. 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>ФБУН «ФНЦ медико-профилактических технологий управления рисками здоровью населения» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution></aff><aff xml:lang="en"><institution>Federal Scientific Center for Medical and Preventive Health Risk Management Technologies</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>14</day><month>10</month><year>2020</year></pub-date><volume>98</volume><issue>3</issue><fpage>343</fpage><lpage>348</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нурисламова Т.В., Уланова Т.С., Попова Н.А., Мальцева О.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Нурисламова Т.В., Уланова Т.С., Попова Н.А., Мальцева О.А.</copyright-holder><copyright-holder xml:lang="en">Nurislamova T.V., Ulanova T.S., Popova N.A., Maltseva O.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.rjhas.ru/jour/article/view/299">https://www.rjhas.ru/jour/article/view/299</self-uri><abstract><sec><title>Введение</title><p>Введение. Опасную группу соединений, оказывающих негативное влияние на здоровье населения и загрязняющих окружающую среду, представляют стойкие органические загрязнители (СОЗ), в том числе хлорорганические пестициды, гексахлобензол. Цель исследования – методическое обеспечение контроля содержания гексахлорбензола в биологических средах человека. </p></sec><sec><title>Материал и методы</title><p>Материал и методы. Для контроля гексахлорбензола в крови разработана газохроматографическая методика определения. Определение гексахлорбензола в крови основано на использовании капиллярной газовой хроматографии с режимом линейного программирования температуры колонки, детектора электронного захвата (ДЭЗ), экстракции органическим растворителем на этапе пробоподготовки. При реализации разработанной методики оценивали показатели – точность и характеристики погрешности результатов анализа. Нижний предел количественного определения (LOQ) гексахлорбензола в крови составил 0,000024 мкг/см3, при диапазоне определяемых концентраций от 0,00015 до 0,005 мкг/см3 (погрешность методики определения ≥20%), что позволяет адекватно диагностировать химическую нагрузку в крови высокотоксичного стойкого органического загрязнителя. </p></sec><sec><title>Результаты</title><p>Результаты. Показатели качества результатов количественного химического анализа гексахлорбензола в крови составили: точность (правильность и прецизионность) – 15,62%, повторяемость – 3,45%, воспроизводимость – 4,65%. В процессе апробации методики в крови обследуемой группы обнаружены концентрации гексахлорбензола в диапазоне 0,0003 ± 0,0001 ÷ 0,0007 ± 0,0001 мкг/см3. Высокая эффективность газохроматографического определения гексахлорбензола в образцах крови достигнута путём подбора оптимальных условий газохроматографического анализа: капиллярная колонка серии HP-1- 35м ∙ 0,32мм ∙ 0,25мкм с программированием температуры, оптимальной температуры испарителя и ДЭЗ. </p></sec><sec><title>Заключение</title><p>Заключение. Отработанный способ подготовки пробы крови к анализу, включающий жидкостную экстракцию толуолом, денатурации белка центрифугированием биосреды при 7000 об/мин в течение 15 мин при рН 6–7 в сочетании с газохроматографическим анализом и ДЭЗ позволил достичь полноты извлечения гексахлорбензола из крови на 99,7%.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Persistent organic pollutants (POP) are extremely dangerous compounds contaminating the environment and exerting the negative impact on human health. Organochlorine pesticides, including hexachlorobenzene, are a specific group among POP. Our research goal is methodological support for the hexachlorobenzene content control in human biological environments.</p></sec><sec><title>Material and methods</title><p>Material and methods. We developed highly both sensitive and selective procedure for determining hexachlorobenzene in blood. Hexachlorobenzene determination in blood is based on the application of capillary gas chromatography with linear programming of a column temperature, electron capture detector (ECD), and extraction with an organic solvent at a sample preparation stage. When implementing the developed methodology, the following indices were evaluated: accuracy and error characteristics of the analysis results. The lower limit of hexachlorobenzene quantification (LOQ) in blood amounted to 0.000024 µg/cm3, with the range of detectable concentrations from 0.00015 to 0.005 (determination method error ≥ 20%), which allows to adequately diagnose chemical burden with a highly toxic persistent organic pollutant in blood.</p></sec><sec><title>Results</title><p>Results. The results of quantitative chemical analysis of hexachlorobenzene contents in blood had the following quality indices: precision and correctness amounted to 15.621%; repeatability - 3.45%; reproducibility - 4.65%. In the process of testing the method, concentrations of hexachlorobenzene in the range of 0.0003 ± 0.0001 ÷ 0.0007 ± 0.0001 μg/cm3 were detected in the blood of the examined group.</p></sec><sec><title>Discussion</title><p>Discussion. The high efficiency of gas chromatography determination of hexachlorobenzene in blood was achieved via selection of optimal conditions for chromatographic analysis: capillary column HP-1- 35m∙0.32mm∙0.25µm with linear programming of column temperature, carrier gas (nitrogen), electron capture detector (ECD). The developed method of the preparing a blood sample for analysis, including liquid extraction with toluene, protein denaturation by centrifuging the biological medium at 7000 rpm for 15 min at pH of 6-7 in combination with gas chromatographic analysis and an electron capture detector (ECD) made it possible to complete extraction of hexachlorobenzene from blood in an amount of 99.7%.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>гексахлорбензол</kwd><kwd>биосреда (кровь)</kwd><kwd>детектор электронного захвата</kwd><kwd>экстракция органическим растворителем</kwd><kwd>полнота извлечения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hexachlorobenzene</kwd><kwd>biological medium (blood)</kwd><kwd>electron capture detector (ECD)</kwd><kwd>extraction with an organic solvent</kwd><kwd>complete extraction</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">Михеева А.Ю., Васильева И.А. 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