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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">10.47470/0016-9900-2024-103-3-266-272</article-id><article-id custom-type="edn" pub-id-type="custom">qfzsrq</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-3843</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>Определение антибиотиков тетрациклиновой группы в воде методом высокоэффективной жидкостной хроматографии на диодно-матричном детекторе с предварительным концентрированием методом твердофазной экстракции</article-title><trans-title-group xml:lang="en"><trans-title>Determination of antibiotics of the tetracycline group in water by high-performance liquid chromatography on a diode matrix detector with preliminary concentration by solid-phase extraction</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1269-3161</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Некрасова</surname><given-names>Лариса Петровна</given-names></name><name name-style="western" xml:lang="en"><surname>Nekrasova</surname><given-names>Larisa P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. хим. наук, вед. науч. сотр. отд. физико-химических исследований и экотоксикологии ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: LNekrasova@cspmz.ru</p></bio><bio xml:lang="en"><p>MD, PhD, Head of the Hygiene Department, of the Centre for Strategic Planning and Management of Biomedical Health Risks of the FMBA, Moscow, 119121, Russian Federation</p><p>e-mail: LNekrasova@cspmz.ru</p></bio><email xlink:type="simple">LNekrasova@cspmz.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>Кулешова</surname><given-names>Оксана Юрьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Kuleshova</surname><given-names>Oksana Ju.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вед. специалист отд. физико-химических исследований и экотоксикологии ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: OKuleshova@cspmz.ru</p></bio><bio xml:lang="en"><p>MD, PhD, DSci., Leading Researcher of the Department of Physical and Chemical Research and Ecotoxicology of the Centre for Strategic Planning and Management of Biomedical Health Risks of the FMBA, Moscow, 119121, Russian Federation</p><p>e-mail: OKuleshova@cspmz.ru</p></bio><email xlink:type="simple">OKuleshova@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБУ «Центр стратегического планирования и управления медико-биологическими рисками здоровью» &#13;
Федерального медико-биологического агентства<country>Россия</country></aff><aff xml:lang="en">Centre for Strategic Planning and Management of Biomedical Health Risks of the FMBA<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>04</month><year>2024</year></pub-date><volume>103</volume><issue>3</issue><fpage>266</fpage><lpage>272</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Некрасова Л.П., Кулешова О.Ю., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Некрасова Л.П., Кулешова О.Ю.</copyright-holder><copyright-holder xml:lang="en">Nekrasova L.P., Kuleshova O.J.</copyright-holder><license 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/3843">https://www.rjhas.ru/jour/article/view/3843</self-uri><abstract><sec><title>Введение</title><p>Введение. Загрязнение окружающей среды антибиотиками является серьёзной экологической угрозой, представляющей опасность для здоровья человека. Мониторинг содержания антибиотиков тетрациклиновой группы в объектах окружающей среды и контроль технологических процессов, направленных на их утилизацию, требуют доступных методов анализа.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Разработка метода определения антибиотиков тетрациклиновой группы в воде на диодно-матричном детекторе с предварительным твердофазным концентрированием.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Объектами исследования были модельные растворы миноциклина, тетрациклина, окситетрациклина, демеклоциклина, метациклина и доксициклина в деионизованной, водопроводной, природной и очищенной сточной воде. Для твердофазной экстракции (ТФЭ) использовали картриджи Диапак П и Диапак ПГ. ТФЭ проводили с использованием манифолда VacMaster-10 (Biotage). Хроматографическое разделение проводили на колонках Диасфер C10CN и Kromasil Eternity 250 × 4,6 мм 5 мкм на жидкостном хроматографе Agilent 1100 (Agilent Technology).</p></sec><sec><title>Результаты</title><p>Результаты. Подобраны оптимальные условия хроматографического разделения миноциклина, тетрациклина, окситетрациклина, демеклоциклина, метациклина и доксициклина: изократический режим, длина волны 350 нм, подвижная фаза — смесь ацетонитрила и водного раствора фосфорной кислоты (рН = 3,0). Время анализа на колонках Диасфер C10CN и Kromasil Eternity составляло 12 и 14 мин соответственно. Достоверность линейной аппроксимации в обоих случаях была больше 0,99, однако угловые коэффициенты на колонке Kromasil Eternity были в 1,35–1,65 раза выше, чем на Диасфер C10CN. Степень извлечения тетрациклинов из деионизованной воды на картриджах Диапак П и Диапак ПГ составляла 90–95%, из водопроводной — 61–89%, из очищенной сточной — 51–87%.</p></sec><sec><title>Ограничения исследования</title><p>Ограничения исследования. Метод непригоден для водных объектов с содержанием тетрациклинов менее 2 мкг/дм3.</p></sec><sec><title>Заключение</title><p>Заключение. Разработана ВЭЖХ-методика определения миноциклина, тетрациклина, окситетрациклина, демеклоциклина, метациклина и доксициклина в воде с предварительным ТФЭ концентрированием на картриджах Диапак П и Диапак ПГ. Нижний предел определения при сорбции целевых соединений из 0,1 дм3 пробы составил 2 мкг/дм3.</p><p>Соблюдение этических стандартов. Исследование не требует заключения комитета по биомедицинской этике.</p></sec><sec><title>Участие авторов</title><p>Участие авторов:Некрасова Л.П. — концепция и дизайн исследования, написание текста, сбор материала и обработка данных, редактирование;Кулешова О.Ю. — сбор материала и обработка данных, статистическая обработка.Все соавторы — утверждение окончательного варианта статьи, ответственность за целостность всех частей статьи.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы декларируют отсутствие явных и потенциальных конфликтов интересов в связи с публикацией данной статьи.</p></sec><sec><title>Финансирование</title><p>Финансирование. Исследование поддержано государственным контрактом «Проведение аналитического обзора для определения приоритетных химических поллютантов в сточных водах мегаполиса и водных объектах, ими загрязнённых».</p></sec><sec><title>Поступила</title><p>Поступила: 09.10.2023 / Поступила после доработки: 14.02.2024  / Принята: к печати: 11.03.2024 / Опубликована: 10.04.2024</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Antibiotic contamination of the environment is a serious environmental threat that poses a hazard to human health. To monitor the content of tetracycline antibiotics in environmental objects and control technological processes aimed at their disposal, accessible analytical methods are needed.</p></sec><sec><title>Purpose of the study</title><p>Purpose of the study. Development of a method for determining antibiotics of the tetracycline group in water using a diode array detector with preliminary solid-phase concentration.</p></sec><sec><title>Material and methods</title><p>Material and methods. The objects of the study were model solutions of minocycline, tetracycline, oxytetracycline, demeclocycline, metacycline, and doxycycline in deionized, tap, natural, and treated wastewater. For solid-phase extraction, Diapak P and Diapak PG cartridges were used. SPE was performed using a VacMaster-10 manifold (Biotage). Chromatographic separation was carried out on Diasphere C10CN and Kromasil Eternity 250 × 4.6 mm 5 µm columns on an Agilent 1100 liquid chromatograph (Agilent Technology).</p></sec><sec><title>Results</title><p>Results. Optimal conditions for the chromatographic separation of minocycline, tetracycline, oxytetracycline, demeclocycline, metacycline, and doxycycline were selected: isocratic mode, wavelength of 350 nm, mobile phase — acetonitrile: aqueous solution of phosphoric acid (pH = 3.0). The analysis time on Diasphere C10CN and Kromasil Eternity columns was 12 and 14 minutes, respectively. The reliability of the linear approximation in both cases was more than 0.99, however, the slopes on the Kromasil Eternity column were 1.35–1.65 times higher than on Diasphere C10CN. The degree of extraction of tetracyclines from deionized water on Diapak P and Diapak PG cartridges was 90–95%, from tap water 61–89%, from purified waste water: 51–87%.</p></sec><sec><title>Limitations</title><p>Limitations. The method is not suitable for water bodies with tetracycline contents less than 2 µg/dm3.</p></sec><sec><title>Conclusion</title><p>Conclusion. An HPLC method has been developed for the determination of minocycline, tetracycline, oxytetracycline, demeclocycline, metacycline, and doxycycline in water with preliminary SPE concentration on Diapak P and Diapak PG cartridges. The lower limit of determination for the sorption of target compounds from 0,1 dm3 of sample was 2 µg/dm3.</p><p>Compliance with ethical standards. The study does not require the conclusion of the Biomedical Ethics Committee.</p></sec><sec><title>Contribution</title><p>Contribution:Nekrasova L.P. — the concept and design of the study, writing the text, collecting material and processing data, editing;Kuleshova O.Yu. — collecting material and processing data.All authors — approval of the final version of the article, responsibility for the integrity of all parts of the article.</p></sec><sec><title>Conflict of interest</title><p>Conflict of interest. The authors declare no conflict of interest.</p></sec><sec><title>Acknowledgment</title><p>Acknowledgment. The study was supported by the state contract “Conducting an analytical review to identify priority chemical pollutants in the wastewater of the metropolis and water bodies polluted by them.”</p></sec><sec><title>Received</title><p>Received: October 19, 2023 / Revised: February 14, 2024 / Accepted: March 11, 2024 / Published: April 10, 2024</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ВЭЖХ</kwd><kwd>ТФЭ</kwd><kwd>миноциклин</kwd><kwd>тетрациклин</kwd><kwd>окситетрациклин</kwd><kwd>демеклоциклин</kwd><kwd>метациклин</kwd><kwd>доксициклин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HPLC</kwd><kwd>SPE</kwd><kwd>minocycline</kwd><kwd>tetracycline</kwd><kwd>oxytetracycline</kwd><kwd>demeclocycline</kwd><kwd>metacycline</kwd><kwd>doxycycline</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">Тимофеева С.С., Гудилова О.С. 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