Ag2S nano dots have already bee n dem onstrated as promisi ng n ear-i nfrared (NIR-II, 1.0-1.45 pm) emitting nan oprobes with low toxicity, high penetration and high resolution for in vivo imaging of, for example, tum...
supported by the National Natural Science Foundation of China(No.81560301,81160012); the Natural Science Foundation of Qinghai Province,China(No.2017-ZJ-905)