ВЛИЯНИЕ МЕРКАПТОПРОПИЛТРИМЕТОКСИСИЛАНА НА ХИМИЧЕСКОЕ ОСАЖДЕНИЕ МИКРОТРУБОК ЗОЛОТА В ТРЕКОВЫЕ МЕМБРАНЫ И ИСПОЛЬЗОВАНИЕ ИХ В СЕНСОРИКЕ

Диабет является одной из глобальных проблем здравоохранения, требующий создания надежных и точных устройств для мониторинга уровня глюкозы в крови. В данном исследовании был разработан неферментативный сенсор на основе модифицированной полиэтилентерефталатной трековой мембраны (ПЭТФ ТМ) для электрохимического определения глюкозы. Впервые была применена модификация мембраны с использованием меркаптопропилтриметоксисилана (МПТМС) с целью улучшения адгезии микроструктур золота и повышения эффективности процесса химического осаждения. Модификация позволила значительно увеличить площадь поверхности сенсора до 0,91±0,25 см2. Вольтамперометрические измерения показали линейную зависимость между плотностью тока и концентрацией глюкозы в диапазоне от 0,1 до 16 мМ, предел обнаружения сенсоров Au@ПЭТФ ТМ-МПТМС составил 0,058 мМ. Разработанные сенсоры демонстрируют хорошую чувствительность и высокую стабильность, что расширяет их потенциальное применение в биосенсорике.

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