Ag2S-PEG-NH2 (1200 nm) is a fluorescent dyes.
References:
[1]. Chunyan Li, et al. Real-Time Monitoring Surface Chemistry-Dependent In Vivo Behaviors of Protein Nanocages via Encapsulating an NIR-II Ag2S Quantum Dot. ACS Nano. 2015 Dec 22;9(12):12255-63.
















