Table 1.

Different types of chitosan-based hydrogels for antimicrobial activity.

Antimicrobial Activity	Hydrogel Type	References
Antibacterial activity against Escherichia coli and Staphylococcus aureus	Carboxymethyl chitosan (CMCS)	[73]
E. coli ATCC 25922, S. aureus ATCC 6583 and Candida albicans ATCC 10231	Chitosan-based Hydrogels	[74]
Gram-positive bacteria (S. aureus), Gram-negative bacteria (E. coli), C. albicans and methicillin-resistant S. aureus (MRSA)	Chitosan-based hydrogels	[83]
Two pathogenic strains including Gram-negative (Pseudomonas aeruginosa) and Gram-positive (S. aureus)	Carboxylated chitosan	[76]
E. coli and S. aureus	Chitosan-based hydrogel	[75]
Gram-positive bacteria (S. aureus), Gram-negative bacteria (E. coli), C. albicans, MRSA, P. aeruginosa and Acinetobacter baumannii	Chitosan-based hydrogel	[37]
E. coli and S. aureus	Polyvinyl alcohol (PVA)/N–succinyl chitosan (NSCS)/lincomycin hydrogels	[79]
E. coli and S. aureus	Chitosan hydrogel	[36]
MRSA bacteria according to a protocol that has been reported	Chitosan-based Hydrogel	[39]
E. coli, S. aureus, P. aeruginosa	Chitosan-based Hydrogel	[80]
E. coli	Chitosan-based Hydrogel	[80]