Figure 1.
Transmission electron microscopy of MNPs and histogram of MNPs-NH2 size distribution.
Notes: (A, B) TEM images and electron diffraction patterns (inset boxes) of MNPs and (C) MNPs-NH2·HCl. Scale bar =20 nm. (D) Histogram of MNPs-NH2 size distribution.
Abbreviations: MNPs, magnetic nanoparticles; TEM, transmission electron microscopy; d, diameter.