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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">10.26896/1028-6861-2021-87-5-5-13</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1412</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>Массивы твердоконтактных потенциометрических сенсоров для раздельного определения некоторых цефалоспориновых антибиотиков</article-title><trans-title-group xml:lang="en"><trans-title>Arrays of solid contact potentiometric sensors for separate determination of some cephalosporin antibiotics</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>Кулапина</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulapina</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Григорьевна Кулапина</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Elena G. Kulapina</p><p>83, Astrakhanskya ul., Saratov, 410012</p></bio><email xlink:type="simple">kulapinaeg@mail.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>Дубасова</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubasova</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Евгеньевна Дубасова</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Anastasia E. Dubasova</p><p>83, Astrakhanskya ul., Saratov, 410012</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>Кулапина</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulapina</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Ивановна Кулапина</p><p>410012, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Olga I. Kulapina</p><p>112, Bol’shaya Kazach’ya ul., Saratov, 410012</p></bio><email xlink:type="simple">olgakulapina@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анкина</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ankina</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Влада Денисовна Анкина</p><p>410012, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Vlada D. Ankina</p><p>112, Bol’shaya Kazach’ya ul., Saratov, 410012</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Саратовский национальный исследовательский государственный университет им. Н. Г. Чернышевского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. G. Chernyshevsky Saratov State University, Department of Chemistry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Саратовский государственный медицинский университет им. В. И. Разумовского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. I. Razumovsky Saratov State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>22</day><month>05</month><year>2021</year></pub-date><volume>87</volume><issue>5</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кулапина Е.Г., Дубасова А.Е., Кулапина О.И., Анкина В.Д., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Кулапина Е.Г., Дубасова А.Е., Кулапина О.И., Анкина В.Д.</copyright-holder><copyright-holder xml:lang="en">Kulapina E.G., Dubasova A.E., Kulapina O.I., Ankina V.D.</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/1412">https://www.zldm.ru/jour/article/view/1412</self-uri><abstract><p>Предложены массивы потенциометрических сенсоров, включающие разработанные твердоконтактные немодифицированные и модифицированные сенсоры на основе ассоциатов тетрадециламмония с комплексными соединениями серебра (1) и некоторых β-лактамных антибиотиков (цефазолина, цефуроксима, цефотаксима); модификаторы — полианилин, оксид меди. Определены основные электроаналитические свойства сенсоров (диапазон определяемых концентраций в растворах антибиотиков — 1 · 10–4 – 0,1 моль/л, Cmin = = n 10–5 моль/л, время отклика — 4 – 10 с, дрейф потенциала — 4 – 6 мВ/сут, срок службы — 2 мес). Показано, что модифицирование поверхности мембран приближает крутизну электродных функций к нернстовским значениям для однозарядных ионов исследуемых антибиотиков; сокращается время отклика, уменьшается предел обнаружения антибиотиков, а интервалы линейности электродных функций одинаковы для исследуемых сенсоров. Коэффициенты потенциометрической селективности немодифицированных и модифицированных сенсоров на основе различных электродно-активных компонентов (ЭАК) к исследуемым цефалоспоринам в присутствии мешающих антибиотиков близки к единице; значения параметров перекрестной чувствительности для сенсоров (средний наклон электродной функции сенсора Sср (мВ/pC), фактор неселективности F, фактор воспроизводимости K) составляют: 46,3 &lt; S &lt; 48; 0,85 &lt; F &lt; 0,90; 144 &lt; K &lt; 170, что свидетельствует о стабильности и воспроизводимости потенциалов. Показано применение сенсоров в мультисенсорном анализе модельных смесей цефалоспориновых антибиотиков. Для обработки аналитических сигналов (значений эдс, мВ) использован метод искусственных нейронных сетей. Правильность определения проверяли методом «введено – найдено» при анализе контрольных модельных смесей (относительная погрешность определения не превышает 12 %).</p></abstract><trans-abstract xml:lang="en"><p>Arrays of potentiometric sensors including developed solid-contact unmodified and modified sensors based on tetradecylammonium associates with complex compounds of silver (1) and some β-lactam antibiotics (cefazoline, cefuroxime, cefotaxime (n = 3 – 6)) are proposed; polyaniline and copper oxide being modifiers. The main electroanalytic properties of the sensors are determined (the range of the determined concentrations in antibiotic solutions 1 × 10–4 – 0.1 M, 46.3 &lt; S &lt; 48, Cmin = n × 10–5 М, response time 4 – 10 sec, potential drift 4 – 6 mV/day, service life — 2 months). It is shown that modification of the membrane surfaces brings the steepness of the electrode functions to Nernst-values for single-charged ions of the antibiotics under study; reduces the response time and the detection limits, the linearity intervals of the electrode functions being the same. The potentiometric selectivity coefficients of unmodified and modified sensors based on different electrode active components (EAC) to the studied cephalosporins in the presence of interfering antibiotics are close to unity; cross sensitivity parameters for the considered sensors (the average slope of the electrode function of the sensor Sav, the unselectivity factor F, and the reproducibility factor K) are 46.3 &lt; S (mV/pC) &lt; 48; 0.85 &lt; F &lt; 0.90; 144 &lt; K &lt; 170, respectively. Application of sensors in the multisensory analysis of model mixtures of cephalosporin antibiotics is shown. Method of artificial neural networks (ANN) is used for processing of analytical signals. The correctness of the determination is carried out using «spike tests» on the reference model mixtures (the relative error of the determination does not exceed 12 %).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>немодифицированные и модифицированные сенсоры</kwd><kwd>цефуроксим</kwd><kwd>цефотаксим</kwd><kwd>цефазолин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>unmodified and modified sensors</kwd><kwd>cefuroxime</kwd><kwd>cefotaxime</kwd><kwd>cefazoline</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">Будников Г. К., Евтюгин Г. А., Майстренко В. Н. Модифицированные электроды для вольтамперометрии в химии, биологии и медицине. — М.: Бином, 2009. — 331 с.</mixed-citation><mixed-citation xml:lang="en">Budnikov G. K., Evtyugin G. A., Maistrenko V. N. Modified electrodes for voltammetry in chemistry, biology and medicine. — Moscow: Binom, 2009. — 331 p. 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