Rhodamine-modified upconversion nanophosphors for ratiometric detection of hypochlorous acid in aqueous solution and living cells

Yi Zhou, Wenbo Pei, Chenyuan Wang, Jixin Zhu, Jiansheng Wu, Qinyu Yan, Ling Huang, Wei Huang, Cheng Yao, Joachim Say Chye Loo, Qichun Zhang