Fig. 1

Structure and composition characterization of 5-Fu loaded (5-Fu/MNPs-Fa). A TEM image of 5-Fu/MNPs-Fa, B SEM image of 5-Fu/MNPs-Fa, C X-ray energy dispersive spectroscopy (EDS) of 5-Fu/MNPs-Fa, D SEM–EDS elemental mapping of 5-Fu/MNPs-Fa