摘要
Fluorescence imaging in the near-infrared（NIR）window（750-900 nm）is one of the most popular work modes in biomedical sciences and clinical procedures for visualization of cells and tissues.
Fluorescence imaging in the near-infrared(NIR)window(750–900 nm)is one of the most popular work modes in biomedical sciences and clinical procedures for visualization of cells and tissues.Up to date,only indocyanine green(ICG)and methylene blue have been approved by the
