Fig. 1From: NIR-II-driven and glutathione depletion-enhanced hypoxia-irrelevant free radical nanogenerator for combined cancer therapyTEM images of a PVP-CuS, b AP and c APCZ. d Hydrodynamic diameter and size distribution of APCZ. e Zeta potentials of aqueous PVP-CuS, PDA, AP and APCZ dispersions. Data shown as mean ± SD, n = 3 per treatment. f XRD pattern of APCZ NPs. XPS spectra of g APCZ, h Cu 2p and i Zn 2pBack to article page