Fig. 4
From: Multifunctional fish gelatin hydrogel inverse opal films for wound healing
a Live/Dead staining of E. coli and S. aureus treated with PBS, IOF with 2% CS, IOF with 3% CS, and IOF with 4% CS for 24 h. The live and dead bacteria were stained in green and red by SYTO and propidium iodide (PI), respectively. Bacterial death rate of E. coli (b) and S. aureus (c) treated with PBS, IOF with 2% CS, IOF with 3% CS, and IOF with 4% CS for 24 h, respectively. Scale bars are 25 μm