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首页> 外文期刊>Chemistry: A European journal >Highly Ordered Nanoporous Carbon Films with Tunable Pore Diameters and their Excellent Sensing Properties
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Highly Ordered Nanoporous Carbon Films with Tunable Pore Diameters and their Excellent Sensing Properties

机译：高度可调的孔径可调的纳米多孔碳膜及其出色的传感性能

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摘要

Ordered porous carbon films with tunable pore diameters, immobilized with glucose oxidase (GOD) have been fabricated and employed for the construction of a biosensor for glucose molecules. The as-prepared porous films have large specific surface areas and highly ordered porous structure with uniform pore sizes, which are critical for the immobilization of large amounts of GOD and support the promotion of heterogeneous electron transfer. The developed biosensors give enough room for the encapsulation of a high amount of GOD molecules and show excellent biosensing performance with a linear response to glucose concentration ranging from 0.5 to 9 mm and a detection limit of 1.5 mm. It is also demonstrated that the sensitivity of the biosensor can be easily tuned by modulating the pore size of carbon film as it dictates the amount of immobilization of GOD in the porous channels. The fabricated carbon-film-based biosensor has a good stability and a high reproducibility, which opens the gateway for the commercialization of this excellent technology.
机译：已制造出固定有葡萄糖氧化酶（GOD）的具有可调孔径的有序多孔碳膜，并用于构建葡萄糖分子生物传感器。所制备的多孔膜具有大的比表面积和具有均匀孔径的高度有序的多孔结构，这对于固定大量GOD和支持促进异质电子转移至关重要。先进的生物传感器为封装大量GOD分子提供了足够的空间，并具有出色的生物传感性能，对葡萄糖浓度在0.5至9 mm范围内的线性响应和1.5 mm的检出限。还证明了通过调节碳膜的孔径可以很容易地调节生物传感器的灵敏度，因为它决定了多孔通道中GOD的固定量。所制造的基于碳膜的生物传感器具有良好的稳定性和高可重复性，这为该优良技术的商业化打开了大门。

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