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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Biodegradable reduce expenditure bioreactor for augmented sonodynamic therapy via regulating tumor hypoxia and inducing pro-death autophagy

Fig. 2

Characterization and in vitro performance of HHBP. a TEM image and (b–f) the elemental mappings of C, O, Si, and S of HMONs. g TEM image of HHBP. h Hydrodynamic diameter of HMONs, HMONs-NH2, HMONs-3BP, and HHBP. i The UV-vis absorption spectra of 3BP, HMME, HMONs, HMONs-3BP, HMME@HMONs-PEG, and HHBP. j The release profiles of HMME from HHBP at different pHs and GSH concentrations with or without US irradiation (1.0 W/cm2, 1.0 MHz, 50% duty circle, 1 min, n = 3). k Time-dependent oxidation of DPBF indicating 1O2 generation by HHBP under US irradiation. l ESR spectra demonstrating 1O2 generation for different groups

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