期刊
FRONTIERS IN CHEMISTRY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2021.718000
关键词
nano-impact electrochemistry; silver nanoparticles; automated data processing; moving average filter; spike detection
资金
- National Natural Science Foundation of China [21804036, 21972039]
Nano-impact electrochemistry (NIE) has gained attention as a new electroanalytical approach for single nanoparticles in solution. The proposed spike detection algorithm for processing experimental data shows promising potential for automated analysis with high efficiency and accuracy, as demonstrated by the agreement with results from transmission electron microscopy (TEM).
In recent years, nano-impact electrochemistry (NIE) has attracted widespread attention as a new electroanalytical approach for the analysis and characterization of single nanoparticles in solution. The accurate analysis of the large volume of the experimental data is of great significance in improving the reliability of this method. Unfortunately, the commonly used data analysis approaches, mainly based on manual processing, are often time-consuming and subjective. Herein, we propose a spike detection algorithm for automatically processing the data from the direct oxidation of sliver nanoparticles (AgNPs) in NIE experiments, including baseline extraction, spike identification and spike area integration. The resulting size distribution of AgNPs is found to agree very well with that from transmission electron microscopy (TEM), showing that the current algorithm is promising for automated analysis of NIE data with high efficiency and accuracy.
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