Figure 10 Uranium adsorbed AO-Fc exposed to natural seawater for 39 days (a) and uranium striped AO-Fc with elution solution Na₂CO₃ and H₂O₂ (b)

Figure 11 High-resolution XPS spectra of U 4f (a), N 1s before (b) and after uranium adsorption (c), and FTIR spectra (d)