β-cyclodextrin Covalently Functionalized Single-Walled Carbon Nanotubes: Synthesis, Characterization and a Sensitive Biosensor Platform
作者： Yong Gao , Yu Cao , Guiling Song , Yiming Tang , Huaming Li
关键词:
摘要: In this study, we presented the preparation of β-cyclodextrin (β-CD) covalently functionalized single-walled carbon nanotubes (SWCNTs) and its application in modifying solid glass electrode (GCE). Cyclic voltammetry (CV) method was employed to evaluate performance modified GCE. Solubility experiment indicated conjugation SWCNTs β-CD, SWCNTs-β-CD with 8 wt% β-CD content could be well dispersed water. High-resolution transmission electron microscopy (HRTEM) demonstrated that aggregated bundle were effectively exfoliated small bundle, even individual tube. The component grafted on side walls as tips SWCNTs, not uniformly coated surface SWCNTs. CV measurements GCE by better than hybrid SWCNTs/β-CD, where ascorbic acid (AA) uric (UA) selected a prelimiltary substrate it. enhanced should ascribed integration excellent electrocatalytic property inclusion ability analyte molecule.
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