A novel sensor of potassium ions based on mode-filtered light detection
Xiao Hong Zhao, Li Ping Yang, Suo Zhu Wu, Wen Ping Cheng, Shao Min Shuang, Chuan Dong
Chinese Chemical Letters . 2010, (10): 1243 -1246 .  DOI: 10.1016/j.cclet.2010.05.020