Figure 5From: Fluorescent carbon dots as an efficient siRNA nanocarrier for its interference therapy in gastric cancer cells Confocal laser scanning microscopic images of MGC-803 cells incubated with Cdots@PEI or Cy3-siRNA for 2Â h, Cy3-siRNA-Cdots@PEI complexes for 2 and 5Â h. Back to article page