Fig. 3From: Prophylactic effect of topical (slow-release) and systemic curcumin nano-niosome antioxidant on oral cancer in ratEvaluation of the toxicity effects of curcumin-loaded niosome, free curcumin, and unloaded niosome using MTT assay: A after 24 h in the control culture medium, B after 24 h in KB culture medium, C after 48 h in the control culture medium, D after 48 h in KB culture medium, E after 72 h in the control culture medium, and F after 72 h in the KB mediumBack to article page