Figure 3.

X-ray photoelectron spectrum of (a) magnetite nanoparticle, (b) ATRP initiator anchored magnetite nanoparticle and (c) poly(methyl methacrylate) grafted magnetite nanoparticle

X-ray photoelectron spectrum of (a) magnetite nanoparticle, (b) ATRP initiator anchored magnetite nanoparticle and (c) poly(methyl methacrylate) grafted magnetite nanoparticle