Table 1.

Contents of DN hydrogel

Samples	AAM	GNPs	MBAA	2959	NaCl solution (2M)
5% colloidal gel	0 mg	150 mg	0 mg	0 mg	3 ml
7.5% colloidal gel	0 mg	225 mg	0 mg	0 mg	3 ml
10% colloidal gel	0 mg	300 mg	0 mg	0 mg	3 ml
15% colloidal gel	0 mg	450 mg	0 mg	0 mg	3 ml
5% PAAm hydrogel	150 mg	0 mg	1.5 mg	15 mg	3 ml
10% PAAm hydrogel	300 mg	0 mg	3 mg	15 mg	3 ml
15% PAAm hydrogel	450 mg	0 mg	4.5 mg	15 mg	3 ml
10% PAAm composite hydrogel	300 mg	300 mg	3 mg	15 mg	3 ml
15% PAAm composite hydrogel	450 mg	300 mg	4.5 mg	15 mg	3 ml

PAAm: Polyacrylamide; DN: Double-network