Particle Size Dependent Photodynamic Anticancer Activity of Hematoporphyrin-Conjugated Fe₃O₄ Particles

Figure 1

FE-SEM images of the size-controlled Fe₃O₄ particles synthesized using different ratios of /: (a) 5/15, (b) 10/10, (c) 15/5, and (d) 20/0, with other experimental parameters kept constant; (e) to (h) histograms of particle-size distributions of the size-controlled Fe₃O₄ particles.

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