Figure 5From: Folic acid-conjugated silica capped gold nanoclusters for targeted fluorescence/X-ray computed tomography imaging Confocal fluorescence imaging of MGC-803 cells incubated with AuNCs@SiO 2 -FA (a), AuNCs@SiO 2 -NH 2 (b), AuNCs@SiO 2 -FA with excess FA (c), and GES-1 at 500 μg/ml incubated with AuNCs@SiO 2 -FA (d) at 500 μg/ml. Back to article page