School of Materials Science and Engineering.Baise University.Baise 533000;
China;
State Key Laboratory of Heavy Oilt Processing;
China University of Petroleum-Beijing;
Beijing 102249;
China;
Personalized Drug Therapy Key Laboratory of Sichuan Province;
Department of Pharmacy;
Sichuan Provincial Peoples Hospital School Medicine;
University of Electronic Science and Technology of China.Chengdu 610072;
China;
Stomatology Department of the General Haspital of Chinese PLA;
Beijing 100853;
China;
2D-QDs; Nb2C-Mxene; Cell imaging; Ion sensing; Sulfur-nitrogen co-doping;