Fig. 6
From: Catalytic hydrolysis of agar using magnetic nanoparticles: optimization and characterization
Morphology characterization of synthesized Fe3O4-MNPs. a SEM analysis of synthesized Fe3O4-MPNs, b SEM image of agar before pretreatment, c SEM image of agar after pretreatment with 0.1% Fe3O4-MNPs, 500Â mg/L H2O2 and citrate buffer (CB) (pH6.2), and (d) TEM image of synthesized Fe3O4-MNPs