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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-712</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ИСПОЛЬЗОВАНИЕ ЖИДКОСТНОЙ ХРОМАТОГРАФИИ И МАСС-СПЕКТРОМЕТРИИ ДЛЯ КОЛИЧЕСТВЕННОГО ОПРЕДЕЛЕНИЯ ЗОЛПИДЕМА В ПЛАЗМЕ КРОВИ ЧЕЛОВЕКА В ИЗУЧЕНИИ ФАРМАКОКИНЕТИКИ</article-title><trans-title-group xml:lang="en"><trans-title>LIQUID CHROMATOGRAPHY – TANDEM MASS SPECTROMETRY METHOD FOR QUANTIFICATION OF ZOLPIDEM IN HUMAN PLASMA: APPLICATION TO PHARMACOKINETIC STUDY</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>Dodda</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Dodda</surname><given-names>Sireesha</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарабад, 500088; Хайдарабад, 500085</p></bio><bio xml:lang="en"><p>Hyderabad, 500088; Hyderabad, 500085</p></bio><email xlink:type="simple">rishikavempati@gmail.com</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>Makula</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Makula</surname><given-names>Ajitha</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарабад, 500085</p></bio><bio xml:lang="en"><p>Hyderabad, 500085</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Polagani</surname><given-names>S. R.</given-names></name><name name-style="western" xml:lang="en"><surname>Polagani</surname><given-names>Srinivasa Rao</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарабад, 500013</p></bio><bio xml:lang="en"><p>Hyderabad, 500013</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Kandhagatla</surname><given-names>R. N.</given-names></name><name name-style="western" xml:lang="en"><surname>Kandhagatla</surname><given-names>Raj Narayana</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарабад, 500085</p></bio><bio xml:lang="en"><p>Hyderabad, 500085</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Группа учреждений Анураг (ранее Фармацевтический колледж Лалиты);&#13;
Технологический университет Джавахарлала Неру</institution></aff><aff xml:lang="en"><institution>Department of Pharmacy, Anurag group of Institutions (formerly Lalitha College of Pharmacy); &#13;
Department of pharmaceutical Sciences, IST, Jawaharlal Nehru Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Технологический университет Джавахарлала Неру</institution></aff><aff xml:lang="en"><institution>Department of pharmaceutical Sciences, IST, Jawaharlal Nehru Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Организация клинических исследований AnaCipher</institution></aff><aff xml:lang="en"><institution>AnaCipher Clinical Research Organisation</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Biotechnica Pharma</institution></aff><aff xml:lang="en"><institution>Biotechnica Pharma</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>02</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>5</issue><elocation-id>852(1)-852(8)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Dodda S., Makula A., Polagani S.R., Kandhagatla R.N., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Dodda S., Makula A., Polagani S.R., Kandhagatla R.N.</copyright-holder><copyright-holder xml:lang="en">Dodda S., Makula A., Polagani S.R., Kandhagatla R.N.</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://zhps.ejournal.by/jour/article/view/712">https://zhps.ejournal.by/jour/article/view/712</self-uri><abstract><p>Разработан простой, быстрый и чувствительный метод жидкостной хроматографии в сочетании с масс-спектрометрией для анализа золпидема в плазме человека с использованием золпидема D6 в качестве внутреннего стандарта (IS). Экстракцию аналита и IS проводили с использованием 100 мкл образца плазмы твердофазной экстракцией с применением картриджей полимерного сорбента Strata X™ 33 мкм. Обработанные образцы плазмы разделяли с помощью смеси метанола и 5 мкм буфера ацетата аммония в 0/1% муравьиной кислоте (80:20) в качестве подвижной фазы на колонке C18 при скорости потока 0.7 мл/мин и общем времени работы 2.0 мин. Количественное определение разделенных компонентов проводили в режиме положительных ионов с помощью мониторинга множественных реакций (MRM) с массовыми переходами от m/z 308.0 (исходный ион) до m/z 235.0 (ион продукта) для золпидема и от m/z 314.2 (исходный ион) до m/z 235.0 (ион продукта) для IS. Метод линейный в диапазоне концентраций 2.0–200 нг/мл. Процент извлечения 82.49% для золпидема и 84.24% для IS. Точность и прецизионность 94.44—103.80 и 2.06—8.95% соответственно. Метод успешно применен для фармакокинетического исследования золпидема на добровольцах после однократной пероральной дозы 10 мг, а также проведен повторный анализ взятых образцов</p></abstract><trans-abstract xml:lang="en"><p>A simple, rapid, and sensitive LC-MS/MS method for assay of Zolpidem in human plasma has been developed and validated using Zolpidem D6 as internal standard (IS). The extraction of analyte and IS was done using 100 µL of plasma sample by solid phase extraction with Strata X™ 33 µm polymeric sorbent cartridges. The processed plasma samples were separated using mixture of methanol and 5 mM ammonium acetate buffer in 0.1% formic acid (80:20, v/v) as mobile phase on a C18 column at a flow rate of 0.7 mL/min with total run time of 2.0 min. The quantification of the separated components was done in positive ion mode by Multiple Reaction Monitoring (MRM) with mass transitions from m/z 308.0 (parent ion) to m/z 235.0 (product ion) for Zolpidem and from m/z 314.2 (parent ion) to m/z 235.0 (product ion) for the IS. The method was linear in the concentration range of 2.0–200 ng/mL. The recovery was 82.49% and 84.24% for Zolpidem and IS. The inter- and intra- day accuracy and precision were in the range of 94.44 to 103.80% and 2.06 to 8.95%, respectively. The proposed method was successfully applied for pharmacokinetic study of Zolpidem in human volunteers after single oral dose of 10 mg under fasting conditions and incurred sample reanalysis was also performed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>золпидем</kwd><kwd>золпидем D6</kwd><kwd>LC-MS/MS</kwd><kwd>разработка биоаналитических методов</kwd><kwd>фармакокинетическое исследование</kwd><kwd>повторный анализ взятых образцов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Zolpidem</kwd><kwd>Zolpidem D6</kwd><kwd>LC-MS/MS</kwd><kwd>bioanalytical method development</kwd><kwd>pharmacokinetic study</kwd><kwd>incurred sample reanalysis</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">S. Budavari, The Merck Index, 12th ed., White house Station (NJ), Merck and Co Inc. (1996).</mixed-citation><mixed-citation xml:lang="en">S. 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