Fig. 2From: Biosynthesis of flower-shaped Au nanoclusters with EGCG and their application for drug deliveryThe TEM images of HeLa cells incubated with Au-Cys-MTX/DOX NCs at 37 °C for 0 h (A), 1 h (B, C), 2 h (D), 4 h (E), and 8 h (F)Back to article page