An imaging-guided self-amplifying photo-immunotherapeutic nanoparticle for STING pathway activation and enhanced cancer therapy | Journal of Nanobiotechnologybig tee tech hubJune 25, 2025 MaterialsDPPC, DSPE-PEG2000, and SPIO (Fe3O4, 2 mg·mL− 1, 10 nm) were purchased from Xi’an RuiXi Biological Technology Co., Ltd. (Xi’an, China). DSPE-PEG2000-CREKA was…