Fig. 2: Characterizations of CSFCM.

A TEM image of magnetic F. B Inverted microscope image of CSFCM. C TEM image of CSFCM. D EDS elemental mappings of CSFCM. E XRD patterns of CSFCM and F. F Magnetic hysteresis loops of CSFCM and F at room temperature. G The cumulative release rate of CM from CSFCM during 6 days (n = 3 independent samples). Data are presented as mean ± S.D. Source data are provided as a Source Data file.