Fig. 7
From: Surface plasmon-enhanced Ag/CuS nanocomposites for cancer treatment
The time course of PC-3 cell uptake of Ag/CuS nanocomposites. The upper images were taken under bright field; the lower images were the fluorescence images of Ag/CuS nanocomposites. The concentration was 5 % of the original Ag/CuS nanocomposites. Scale bar, 50 μm