Fig. 5. A schematic representation of Au nanoclusters combined with porphyrin derivative (TSPP) utilized for fluorescence-based bioimaging and photothermal treatment to detect cancer (reproduced with permission from Y. Zhang, J. Li, H. Jiang, C. Zhao and X. Wang, RSC Adv., 2016, 6, 63331–63337 (ref. 67)).