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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2022-88-8-10-16</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1718</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>Применение МИП-сенсоров для определения консервантов в безалкогольных напитках</article-title><trans-title-group xml:lang="en"><trans-title>Application of MIP-sensors to the determination of preservatives in non-alcoholic drinks</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>Ву</surname><given-names>Хоанг Иен</given-names></name><name name-style="western" xml:lang="en"><surname>Vu</surname><given-names>Hoang Yen</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ву Хоанг Иен</p><p>394018, Воронеж, Университетская пл., д. 1;</p><p>Вьетнам, 72009, г. Хошимин, Ле Чонг Тан, 140</p></bio><bio xml:lang="en"><p>Vu Hoang Yen</p><p>1 Universitetskaya pl., Voronezh, 39401;</p><p>140, Le Trong Tan, Ho Chi Minh City, 72009, Vietnam</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зяблов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Zyablov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Николаевич Зяблов</p><p>394018, Воронеж, Университетская пл., д. 1</p></bio><bio xml:lang="en"><p>Alexander N. Zyablov</p><p>1 Universitetskaya pl., Voronezh, 394018</p></bio><email xlink:type="simple">alex-n-z@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный университет; Пищевой промышленный университет Хошимина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State University; Ho Chi Minh City University of Food Industry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Воронежский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>08</month><year>2022</year></pub-date><volume>88</volume><issue>8</issue><fpage>10</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ву Х., Зяблов А.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Ву Х., Зяблов А.Н.</copyright-holder><copyright-holder xml:lang="en">Vu H., Zyablov A.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://www.zldm.ru/jour/article/view/1718">https://www.zldm.ru/jour/article/view/1718</self-uri><abstract><p>Пьезосенсоры модифицированы молекулярно-импринтированным полимером с отпечатками сорбата калия (МИП-E202) и бензоата натрия (МИП-E211) и апробированы при определении консервантов в безалкогольных напитках. Молекулярно-импринтированные полимеры (МИП) синтезированы методом нековалентного импринтинга на основе сополимера диангидрида 1,2,4,5-бензолтетракарбоновой кислоты и 4,4’-диаминодифенилоксида в N,N-диметилформамиде (ДМФА) в присутствии темплатов. Проведено сравнение пьезосенсоров на основе МИП и на основе полимера (полиимида) без отпечатков. Высокие значения импринтинг-фактора и коэффициента селективности наблюдаются для сенсоров МИП-E202 (IF = 5,4) и МИП-E211 (IF = 6,0), что свидетельствует о лучшей селективности и способности пьезосенсоров на основе МИП распознавать целевые молекулы, чем пьезосенсоров, модифицированных полимером сравнения. Установлено, что диапазон определяемых концентраций составляет 5 – 500 мг/л, предел обнаружения сорбата калия — 1,6 мг/л, бензоата натрия — 2,0 мг/л. Проверку правильности определения сорбата калия и бензоата натрия в модельных растворах проводили методом «введено – найдено». Показано, что сенсоры на основе МИП чувствительны к сорбату калия и бензоату натрия и не чувствительны к мешающим веществам. С использованием метода добавок установлено отсутствие влияния мешающих веществ на величину аналитического сигнала пьезосенсоров, относительное стандартное отклонение проведенных измерений не превышает 4 %. В качестве референтного метода применяли высокоэффективную жидкостную хроматографию (ВЭЖХ). Показано, что результаты определения сорбата калия и бензоата натрия в безалкогольных напитках с использованием пьезосенсоров и методом ВЭЖХ хорошо согласуются. Установлено, что содержание сорбата калия и бензоата натрия в исследованных безалкогольных напитках составляет 130 – 176 и 129 – 146 мг/л соответственно.</p></abstract><trans-abstract xml:lang="en"><p>The piezosensors modified with a molecularly imprinted polymer (MIP) with potassium sorbate (MIP-E202) and sodium benzoate (MIP-E211) imprints are tested and implemented in the determination of preservatives in soft drinks. Molecularly imprinted polymers were synthesized by noncovalent imprinting on the base of copolymer of 1,2,4,5-benzene tetracarboxylic acid dianhydride and 4,4’-diaminodiphenyl oxide in N,N-dimethylformamide (DMF) in the presence of templates. Piezoelectric sensors based on MIP and non-imprinted polymer (polyimide) were compared. High values of the imprinting factor (IF) and selectivity coefficient (k) obtained for MIP-E202 (IF = 5.4) and MIP-E211 (IF = 6.0) sensors indicated better selectivity and ability of MIP-based sensors to recognize target molecules than piezosensors modified with a reference polymer. The detectable concentrations range within 5 – 500 mg/liter, the detection limits for potassium sorbate and sodium benzoate are 1.6 and 2.0 mg/liter, respectively. Correctness of the preservative determination in model solutions was verified using the spike test. MIP-based sensors appeared sensitive to the preservative determination and insensitive to interfering substances. The matrix composition of the non-alcoholic drinks did not affect the value of the analytical signal of the piezoelectric sensor. High performance liquid chromatography (HPLC) was used as a reference method. The results of potassium sorbate and sodium benzoate determination in non-alcoholic drinks using piezosensors match the HPLC data rather well, their content in the studied soft drinks being 130 – 176 and 129 – 146 mg/liter, respectively.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>консервант</kwd><kwd>сорбат калия</kwd><kwd>бензоат натрия</kwd><kwd>полиимид</kwd><kwd>молекулярно-импринтированные полимеры</kwd><kwd>импринтинг-фактор</kwd><kwd>пьезосенсор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>preservative</kwd><kwd>potassium sorbate</kwd><kwd>sodium benzoate</kwd><kwd>polyimide</kwd><kwd>molecularly imprinted polymers</kwd><kwd>imprinting factor</kwd><kwd>piezosensor</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">Mota F. J. M., Ferreira I. M. P. L. V. O., Cunha S. C., et al. 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