Figure 2

(A) Dispersion stability test (~60 days) among cell culture media and PBS with various concentration. (B) Hydrodynamic size change observation through DLS measurement. (C) Photobleaching comparison of Cy 5.5 dye and NF-SIONs in DI water under xenon light irradiation for 6 minutes. Concentration of nanoparticles was 0.05 wt.% for each.