Metal NanoparticlesGoldMetalsNanoparticlesParticle SizeNanotechnologyDrug Delivery SystemsDrug CarriersNanostructuresMagnetite NanoparticlesSilverNanomedicineFerric CompoundsMicroscopy, Electron, TransmissionNanocapsulesNanoconjugatesQuantum DotsMagneticsPolymersPolyglycolic AcidSilicon DioxideSurface PropertiesPolyethylene GlycolsTitaniumZinc OxideCadmium CompoundsPolystyrenesMaterials TestingMagnetic FieldsFolic Acid TransportersPolyglactin 910Biosensing TechniquesChitosanCopperZincFerrosoferric Oxide