摘要
以固定在氧化铟锡(ITO)电极上的多壁碳纳米管为基底吸附纳米钴,制备了复合纳米材料修饰的电极(Co/CNT/ITO)。采用扫描电子显微镜(SEM)和电子能谱(EDS)等对其进行了表征。用纳米钴/碳纳米管/ITO电极,研究了阿霉素(ADM)的电化学行为。实验表明,该体系具有吸附性的不可逆过程,峰电位为-0.65V(vs.Ag/AgCl),峰电流与ADM浓度在1.0×10-9～5.0×10-7mol/L范围内呈线性关系;检出限为1.0×10-9mol/L。本法灵敏、简便。
A multi-walled carbon nanotubes （MWCNTs）, and cobalt nanoparticles （CNPs） modified indium tin oxide （ITO） electrode （Co/CNT/ITO） was fabricated for the first time on an ITO electrode. The modified ITO electrode was characterized using cyclic vohammetry, scanning electron microscopy （SEM） and energy dispersive spectroscopy （EDS）. The electrochemical behavior of adriamycin （ADM） was studied by cyclic vohammetry at Co/CNT/ITO electrode. A sensitive reduction peak of adriamycin was obtained, The system belongs to the irreversible process with adsorptive characteristics, the peak potential was - 0. 65 V （ vs. Ag/AgC1）, the peak current was proportional to the concentration of adriamycin over the range of 1.0 ×10^-9 - 5.0 × 10^-7 mol/L and the detection limit is 1.0 × 10^-9mol,/L. The method was sensitive and convenient.
出处
《分析化学》
SCIE
EI
CAS
CSCD
北大核心
2008年第8期1121-1124,共4页
Chinese Journal of Analytical Chemistry
基金
国家自然科学基金(No.20275007)资助项目
关键词
多壁碳纳米管
纳米钴
阿霉素
电化学行为
Multi-walled carbon nanotubes, cobalt nanoparticles, adriamycin, electrochemical behavior
