Magnetization and Specific Absorption Rate Studies of Ball-Milled Iron Oxide Nanoparticles for Biomedicine

Table 1

Morphological data of nanoparticles.

	γ-Fe2O3		Fe3O4
Milling time, surfactant mass percentage	Mean diameter (nm)	Standard deviation (nm)	Mean diameter (nm)	Standard deviation (nm)
7.5 hours, dry environment	16.241	8.132	15.294	7.357
6 hours, 5% oleic acid in hexane	13.674	5.137	10.747	3.442
6 hours, 10% oleic acid in hexane	7.929	2.351	9.361	2.743
6 hours, 20% oleic acid in hexane	7.287	2.394	7.967	2.073