Fig. 4From: Porous gold nanoparticles for attenuating infectivity of influenza A virusMDCK Cell viability assay of nanoparticle-treated H1N1 virus (viral titer: 106 EID50/mL) for a 10 min and b 60 min. Upper line: negative control (N.C.), lower line: positive control (P.C.). PoGNP porous gold nanoparticle, sGNP spherical gold nanoparticle, AgNP silver nanoparticleBack to article page