Fig. 2
From: Synergistic anti-malarial action of cryptolepine and artemisinins
Dose-response curves from the fixed-dose combinations of cryptolepine and artesunate. Ring-stage parasites were treated with fixed-dose combinations of cryptolepine and artesunate at 48Â h after which analysis was done using the SYBR Green I fluorescent method. Each value represents the IC50 calculated from at least three independent in vitro experiments