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首页> 外文期刊>Electroanalysis >One-Step Electrochemically Deposited Nanocomposite Film of CS-Fc/MWNTs/GOD for Glucose Biosensor Application
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One-Step Electrochemically Deposited Nanocomposite Film of CS-Fc/MWNTs/GOD for Glucose Biosensor Application

机译:CS-Fc / MWNTs / GOD一步法电化学沉积纳米复合膜在葡萄糖生物传感器中的应用

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摘要

A simple and controllable electrodeposition approach was proposed for one-step construction of glucose biosensors by in situ co-deposition of ferrocene-branched chitosan derivatives (CS-Fc), multiwalled carbon nanotubes (MWNTs), and glucose oxidase (GOD) onto electrode surface. The formation of CS-Fc could not only effectively prevent the leakage of Fc and retain its electrochemical activity, but also provide a biocompatible microenvironment for retaining the native activity of the immobilized biomolecules. Further entrapment of MWNTs into the CS matrix improved electronic conductivity of the biocomposite significantly. The facile procedure of immobilizing GOD and the promising feature of biocomposite will offer a versatile platform to fabricate biosensors and bioelectronic devices.
机译:提出了一种简单可控的电沉积方法,用于通过将二茂铁支链壳聚糖衍生物(CS-Fc),多壁碳纳米管(MWNTs)和葡萄糖氧化酶(GOD)原位共沉积在葡萄糖表面上的一步构建葡萄糖生物传感器。 CS-Fc的形成不仅可以有效地防止Fc的泄漏并保持其电化学活性,而且可以提供生物相容的微环境来保持固定化生物分子的天然活性。进一步将MWNTs截留到CS基质中可显着提高生物复合材料的电子电导率。固定GOD的简便程序和生物复合材料的有前途的功能将为制造生物传感器和生物电子设备提供一个多功能的平台。

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