Fig. 9From: Copper-induced injectable hydrogel with nitric oxide for enhanced immunotherapy by amplifying immunogenic cell death and regulating cancer associated fibroblastsSafety evaluation of hydrogel in healthy mice. A BUN and CREA level in serum after treatment of G@Gel for 3 and 7 days. B H&E staining of main organs in healthy mice after 7 days treatment, Scale bar = 200 µmBack to article page