Carbon-Nanotube Based Nanobiosensors: Electrochemical Pretreatment
Publish place: 10th National Iranian Chemical Engineering Congress
Publish Year: 1384
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NICEC10_478
تاریخ نمایه سازی: 6 بهمن 1385
Abstract:
This paper addresses recent advance in electrochemical pretreatment of Carbon-Nanotubes (CNT) based Nanobiosensors. CNT which has been produced by different processes, i.e. arc-discharge and chemical vapor deposition (CVD), subjected to the electrochemical activation. As for ARCCNT the anodic pretreatment resulted in a dramatic improvement in the electrochemical reactivity (cycle Voltammetric test in 1.5 V) while CVD-CNT appeared to be resistant to the anodic activation. Such a huge difference was illustrated through NADH, ascorbic acid hydrogen
peroxide and hydrazine model redox systems. The influence of the pretreatment potential and time is examined. The results herein offer a better understanding of the electrochemical reactivity of CNT. Common design of CNT-based Nanobiosensors along with practical examples of such novel devices is strongly discussed.
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Authors
Jahanshahi
Nanobiotechnology Lab., Faculty of Chemical Engineering, Mazandaran University, Babol, Iran.
Tobi
Nanobiotechnology Lab., Faculty of Chemical Engineering, Mazandaran University, Babol, Iran.
Kiani
Electochemical Lab., Departments of Chemistry, Mazandaran University, Babolsar, Iran.
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