Figure 6
From: Surface charge-dependent cytokine production using near-infrared emitting silicon quantum dots
UV–Visible spectra show the supernatant concentrations of the CpG ODNs (a). TEM image of surface-modified SiQDs loaded with CpG ODNs. Arrows indicate the CpG ODNs layer (b). Confirmation of FITC labeled CpG ODNs on the surface of the am-SiQDs (c).
