Identification and Accurate Size Characterization of Nanoparticles in Complex Media |
| |
| Authors: | Lihong Liu Prof Bin He Dr Qian Liu Dr Zhaojun Yun Xueting Yan Dr Yanmin Long Prof Guibin Jiang |
| |
| Institution: | State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco‐Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 (China) |
| |
| Abstract: | We have developed a new method for the identification and accurate size characterization of nanoparticles (NPs) in complex media based on capillary electrokinetic (CE) separation coupled to inductively coupled plasma mass spectrometry (ICP‐MS). Through mass scanning and Gaussian fitting of electropherogram peaks, we can obtain multidimensional information on chemical compositions, size distributions, and ionic species of multiple NPs in a single run. The results are more accurate than those obtained by using conventional methods. This method provides a powerful tool for investigating polydisperse NP systems and rapid screening of NP‐containing products. |
| |
| Keywords: | capillary electrophoresis electron microscopy mass spectrometry nanoparticles silver |
|
