Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Hubei, PR China.
Colloids Surf B Biointerfaces. 2010 Mar 1;76(1):370-4. doi: 10.1016/j.colsurfb.2009.10.038. Epub 2009 Oct 30.
Platinum nanoparticles (PNP) were deposited on the Pt disk electrode by electrochemical deposition, it was found that salicylic acid (SA) had good electrocatalytic oxidation response at the prepared Pt nanoparticles modified Pt disk electrode (PNP/Pt). Then the modified electrode was used to detect SA in weak alkali condition, it was found that the response current was 9.2 times that of bare Pt disk electrode, and the linear range of detection was 2.0x10(-5) to 5.0x10(-4)M. After that, the electrode was adopted to detect the SA in Zuguangsan, one kind of Chinese medicine, the results showed that the PNP/Pt electrode has low detection limit, high repeatability and stability as SA sensor, could be applied in the detection of SA reliably.
通过电化学沉积在 Pt 盘电极上沉积了铂纳米粒子 (PNP)，发现在制备的 Pt 纳米粒子修饰 Pt 盘电极 (PNP/Pt) 上水杨酸 (SA) 具有良好的电催化氧化响应。然后，将修饰后的电极用于在弱碱性条件下检测 SA，发现响应电流是裸 Pt 盘电极的 9.2 倍，检测的线性范围为 2.0x10(-5) 至 5.0x10(-4)M。之后，该电极用于检测中药祖师麻中的 SA，结果表明 PNP/Pt 电极作为 SA 传感器具有低检测限、高重复性和稳定性，可可靠地用于 SA 的检测。
