Fig. 7From: A purified and lyophilized Pseudomonas aeruginosa derived pyocyanin induces promising apoptotic and necrotic activities against MCF-7 human breast adenocarcinomaA Reduction in pyocyanin concentration stored in different solvents at 4 °C over days. UV–Vis spectrums of B standard pyocyanin, C extracted pyocyanin, D one-year stored pyocyanin at – 18 °C, and E extracted pyocyanin after color change (degraded pyocyanin)Back to article page