Mussel-Inspired Polydopamine Coated Iron Oxide Nanoparticles for Biomedical Application

Figure 9

(a) Schematic of pH-dependent boronic acid−catechol conjugates on hybrid core−shell nanoparticle. (b) Time-dependent release of BTZ from Fe₃O₄@PDA core−shell nanoparticles as a function of solution pH ranging from 4 to 7.4 [25].

(a)

(b)