Figure 2

(a) AFM image of PEG-Arg@IONPs, (b) TEM image of PEG-Arg@IONPs, and (c) X-ray diffraction (XRD) pattern of PEG-Arg@IONPs.

(a) AFM image of PEG-Arg@IONPs, (b) TEM image of PEG-Arg@IONPs, and (c) X-ray diffraction (XRD) pattern of PEG-Arg@IONPs.