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首页> 外文期刊>Electroanalysis >Amperometric Lactate Biosensor Based on Carbon Paste Electrode Modified with Benzo[c]cinnoline and Multiwalled Carbon Nanotubes
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Amperometric Lactate Biosensor Based on Carbon Paste Electrode Modified with Benzo[c]cinnoline and Multiwalled Carbon Nanotubes

机译：基于苯并[c] cinnoline和多壁碳纳米管修饰的碳糊电极的安培乳酸生物传感器

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摘要

Amperometric lactate biosensor based on a carbon paste electrode modified with benzo[c]cinnoline and multiwalled carbon nanotubes is reported. Incorporation of benzo[c] cinnoline acting as a mediator and multiwalled carbon nanotubes providing a conduction pathway to accelerate electron transfer due to their excellent conductivity into carbon paste matrix resulted in a high performance lactate biosensor. The resulting biosensor exhibited a fast response, high selectivity, good repeatability and storage stability. Under the optimal conditions, the enzyme electrode showed the detection limit of 7.0 x 10(-8) M with a linear range of 2.0 x 10(-7) M-1.1 x 10(-4) M. The usefulness of the biosensor was demonstrated in serum samples.
机译：报道了基于苯并[c]肉桂酸修饰的碳糊电极和多壁碳纳米管的安培乳酸生物传感器。苯并[c] cinnoline作为介体和多壁碳纳米管的结合提供了一种传导路径，由于其在碳糊基质中的出色导电性，可加速电子转移，从而形成了高性能的乳酸生物传感器。所得的生物传感器表现出快速响应，高选择性，良好的重复性和储存稳定性。在最佳条件下，酶电极的检出限为7.0 x 10（-8）M，线性范围为2.0 x 10（-7）M-1.1 x 10（-4）M。在血清样品中证实。

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