Table 1.

Composition and swelling ratio of ferrogels.

Number	FG Series	Concentration of MNPs, C (%)	Apparent Swelling Ratio, α (Unitless)	Swelling Ratio, α’ (Unitless)
1		0.00	14.4	14.4
2		0.40	13.0	13.7
3	FG-I	0.81	12.3	13.7
4		1.21	11.7	13.6
5		1.81	10.0	12.2
6		0.00	7.6	7.6
7		0.43	7.1	7.4
8	FG-II	0.94	6.4	6.8
9		1.45	6.0	6.6
10		1.90	6.0	6.7