Silicon DioxideNanoparticlesParticle SizeQuartzMicroscopy, Electron, TransmissionSilicosisPorosityNanocapsulesDrug CarriersNanomedicinePhysicochemical ProcessesSurface PropertiesSilanesSilica GelMagnetite NanoparticlesNanoconjugatesDrug Delivery SystemsNanotechnologyEuropiumArtificial CellsOrganosilicon CompoundsLungHydrodynamicsGoldSiliconNanostructuresMaterials TestingAdsorptionElapidaeCastor OilSilverFluorescent DyesCell SurvivalPolyethyleneiminePolyglycolic AcidG2 Phase Cell Cycle CheckpointsMicroscopy, Electron, Scanning