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. 2021 Oct 20;11:768829. doi: 10.3389/fonc.2021.768829

Figure 1.

Figure 1

(A) TEM image of SFO. (B) SEM image of hydrogel. (C) XRD pattern of SFO. (D) O2 generation in H2O2 solution added with PBS or SFO under different pH values (7.4 and 6.0). (E) Sn 3d spectrum of XPS spectra of fresh SFO. (F) Rheological and temperature curves (red and black, respectively) for the prepared SIS in response to 0.5 W/cm2 808 nm laser irradiation. (G) SFO absorbance spectra. (H) Heating curves for the different concentrations of SFO nanoparticles solutions upon laser irradiation at 808 nm (0.5 W/cm2) for 5 min. (I) Temperature variation of an SFO solution at 200 μg/mL under cyclic laser irradiation.