Table 1.

Experimental design used to study the influence of the concentration of gelatin and polyvinyl alcohol in hydrogels as a topical antimicrobial treatment.

Sample	Gelatin (% w/v)	PVA (% w/v)	Carbopol (% w/v)	Triethanolamine (w/v)	Hyaluronic acid (% v/v)
1	0.7	0.1	0.2	0.2	0.5
2	0.7	0.4
3	0.7	0.7
4	1.1	0.1
5	1.1	0.4
6	1.1	0.7
7	1.5	0.1
8	1.5	0.4
9	1.5	0.7