Magnetite NanoparticlesFerrosoferric OxideMagneticsNanoparticlesMicroscopy, Electron, TransmissionMagnetospirillumMagnetosomesOxidesFerric CompoundsParticle SizeEthmoid BoneGoldEarth (Planet)NanoconjugatesSilverDrug CarriersNanotechnologyMagnetic FieldsIronMarsNanocapsulesPolyglycolic AcidDrug Delivery SystemsNanomedicineChitosanMicroscopy, Electron, Scanning TransmissionCystamineNanostructuresThermoanaerobacterSilicon Dioxide