Figure 8From: Hollow mesoporous silica nanoparticles for intracellular delivery of fluorescent dyeTransmission electron micrographs of Hela cells treated for 3 h with FITC-loaded HMSNs. (a) Untreated cells; (b) Magnified regions of endosomes in (a) at higher power; (c) Cells treated with FITC-loaded nanoparticles; (d) Magnified regions of endosomes in (b) at higher power; White arrows indicate particles that has been released from the endosomes.Back to article page