Figure 6.

GNPs for FLI and infrared thermography. (a) Fabrication process of GNPs. (b) Schematic illustration of the catalytic activity of GNPs. (c,d) H₂O₂ content in tumor tissue determined with an H₂O₂ detection kit. Flow cytometry images of the pH probes BCECF-AM © and 2-NBDG (d) to determine the cellular pH value and glucose consumption, respectively. (e) Ex vivo fluorescence images of RC, IR@RC, and IRG@RC with/without laser irradiation. (f) In vivo fluorescence images of tumor-bearing mice. (g) Thermal imaging at the tumor site after laser irradiation by in vivo infrared thermography. Reproduced with permission from Ref. [108]. Copyright © 2022 The Authors. Published by Elsevier Ltd.