Fig. 2

BPQDs-DOX@OPM characterization. a Transmission electron micrographs of BPQDs, OPM, BPQDs@OPM, and BPQDs-DOX@OPM (size: 50 nm). b, c Particle size and zeta potential of each group (A: BPQDs, B: OPM, C: BPQDs@OPM, D: BPQDs-DOX@OPM). d SDS-PAGE gel electrophoresis result (A: OCM, B: PM, C: BPQDs-DOX@OPM). e Western blot analysis result (A: OCM, B: PM, C: BPQDs-DOX@OPM). f, g Photothermal performance and temperature rise curve of BPQDs-DOX@OPM. h DOX release characteristics of BPQDs-DOX@OPM