Research Article
Particle Size Dependent Photodynamic Anticancer Activity of Hematoporphyrin-Conjugated Fe3O4 Particles
Figure 3
Room temperature magnetic hysteresis loops of the size-controlled Fe3O4 particles synthesized using different ratios of /: (a) 5/15, (b) 10/10, (c) 15/5, and (d) 20/0.