Table 2.

Content of ZnONPs in tested hydrogels.

Sample	C2P4.10	C2P4.10.Z3	C2P4.10.Z5	C2P4.15	C2P4.15.Z3	C2P4.15.Z5
Initial content of ZnONPs (w/w %)	0	3	5	0	3	5
Final content of ZnONPs (w/w %)	0	2.09	4.63	0	2.14	4.74