Development of Iron Sequester Antioxidant Quercetin@ZnO Nanoparticles with Photoprotective Effects on UVA-Irradiated HaCaT Cells

Figure 3

Cyclic voltammogram of quercetin-Fe complex (2 : 1) in phosphate buffer solution pH 7.0 at a scan rate of 0.1 V (a). Iron binding of the quercetin-Fe³⁺ complex with 0.15 mM and 0.30 mM of Fe(NO₃)₃ at 430 nm, which is the of the complex (b).

(a)

(b)