丝网印刷电极及其在重金属快速检测中的应用

Screen-printed Electrode and Its Application in the Detection of Heavy Metals

利用简单、快速、高灵敏的方法对食品中的重金属进行检测具有重要意义。丝网印刷电极(SPE)因具有小巧便携、样品用量少、成本低等优点,在电化学快速分析领域具有明显优势,可实现食品中重金属等污染物质的快速现场分析。该文主要介绍了丝网印刷电极的概念、制作工艺、制备材料和修饰材料,综述了丝网印刷电极在重金属快速检测方面的应用进展,并讨论了其目前形势及未来发展趋势。

It is of great significance to use a simple,rapid and sensitive detection method to detect heavy metals in food.Screen-printed electrode(SPE)has obvious advantage in the field of rapid elec⁃trochemical analysis due to its characteristicis of small and portable,less sample consumption and low cost,and it could realize the rapid on-site analysis on heavy metals and other pollutants in food.The concept,manufacturing technology,preparation materials and modification materials of screenprinted electrode are mainly introduced in this paper.Meanwhile,the application and research prog⁃ress of screen-printed electrode in rapid detection of heavy metals are summarized,and its current sit⁃uation and future development trend are also discussed.