| Amperometric Determination of lndole-3-acetic Acid Based on Platinum Nanowires and Carbon Nanotubes |
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| 作者姓名： | Ruo Zhong WANG Lang Tao XIAO Ming Hui YANG Jun Hui DING Feng Li QU Guo Li-SHEN |
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| 作者单位： | [1]Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Agricultural University, Changsha 410028 [2]Chemistry and Chemical Engineering College, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082 |
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| 基金项目： | This work was supported by the NNSF of China （No. 20435010, 30540019, 30670190 and 3060049） and the Natural Science Foundation of Hunan Province （No. 0JJY1003 and 05C306）. |
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| 摘 要： | Platinum nanowire （PtNW） can be grown by electrodeposition in polycarbonate membrane, with the average diameter of the nanowires about 250 nm. The PtNW and multiwalled carbon nanotubes （CNT） are then dispersed into chitosan （CHIT） solution. The resulting PtNW-CNT-CHIT material brings new capabilities for electrochemical devices by using the synergistic action of the electrocatalytic activity of PtNW and CNT. By dropping the PtNW-CNT-CHIT film onto the glassy carbon （GO） electrode surface, and after evaporation an amperometric sensor for the determination of indole-3-acetic acid （IAA） was developed. The oxidation current of IAA increased significantly at the PtNW-CNT-CHIT film coated GC electrode, in contrast to that at the CNT-CHIT modified GC. The linear response of the sensor is from 50 ng/ml to 50 μg/ml with a detection limit of 25 ng/mL.
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| 关 键 词： | 壳聚糖 铂纳米丝 电沉积 吲哚乙酸 IAA 电化学分析 |
| 收稿时间： | 2006-08-30 |
Amperometric Determination of lndole-3-acetic Acid Based on Platinum Nanowires and Carbon Nanotubes |
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| Ruo Zhong WANG Lang Tao XIAO Ming Hui YANG Jun Hui DING Feng Li QU Guo Li-SHEN.Amperometric Determination of lndole-3-acetic Acid Based on Platinum Nanowires and Carbon Nanotubes[J].Chinese Chemical Letters,2006,17(12):1585-1588. |
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| Abstract: | |
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| Keywords: | Chitosan platinum nanowire glassy carbon indole-3-acetic acid |
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