Figure 4From: Mutation of arginine residues to avoid non-specific cellular uptakes for hepatitis B virus core particles Fluorescence images of HeLa, NuE and A431 cells treated with Alexa Fluor 488-labeled HBc particles. (Final concentration of Alexa Fluor 488-labeled HBc particles: 10 μg/ml) The cells were observed using a confocal laser-scanning microscope: Scale bars, 50 μm.Back to article page