Selective Removal of Hemoglobin from Blood Using Hierarchical Copper Shells Anchored to Magnetic Nanoparticles

Figure 3

TEM images of magnetic nanoparticles (P-MNPs) before (a, b) and after loading with copper (Cu-MNPs) (d, e). SEM images of magnetic nanoparticles (P-MNPs) before (c) and after loading with copper (Cu-MNPs) (f).

(a)

(b)

(c)

(d)

(e)

(f)