Fig. 2.

Nanoparticle characterization. a, Schematic illustrations of the metal-organic framework (MOF) defect self-assembly (DSA) pathway. b, High-resolution TEM image of PMNP-5 (i), PMNP-10 (ii), PMNP-20 (iii) and PMNP-DOX@RBC (iv). Scale bar, 100 nm c, SEM image and elemental mapping images (C, O, and Fe) of PMNP-10. Scale bar, 100 nm d, Dynamic light scattering size of MNP and PMNP. e, Powder X-ray diffraction patterns of MNP and PMNP. f, The N₂ sorption isotherms of the MNP and PMNP. g, Thermogravimetric analysis. h, FTIR spectra of MNP and PMNP. i, XPS spectra of MNP and PMNP.