“…IPN hydrogels have been successfully applied in drug delivery (Bacaita, Ciobanu, Popa, Agop, & Desbrieres, 2014;Kim, Lee, & Park, 2018;Soni et al, 2018) and tissue engineering (Dobreikina, Shklyar, Safronov, & Blyakhman, 2018;Fan, Zhang, Fang, Xu, & Li, 2015;Gsib et al, 2017;Jimenez-Rosales & Flores-Merino, 2018;Xiao et al, 2011). IPN systems with stimuli responsive behaviour have been also prepared (Xing et al, 2011).…”