Electrochemical Characteristics of CNT/TiO 2 Nanocomposites Electrodes for Cancer Cell Sensor

2008

In the recent years, increasing interests are being focused on the rational functionalization of the CNTs by some creative methods. However, the considerable toxicity of CNT is still a controversialissue and limits its biological application. To improve the biocompatibility of CNT, in this work we prepared CNT- nanocomposites with CNT and organic titanium precursors. Our observations demonstratethat the modified interface could accelerate the heterogeneous electron transfer rates and thusenhance the relevant detection sensitivity, suggesting its potential application as the new strategy for the development of the biocompatible and multi-signal responsive biosensors for the early diagnosis of cancers.

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