Typhimurium #EC amplitude_modulation Sio2 Growing TyphimuriumBiofilm temperature_control vertical_PFM rubber ScanningTunnelingMicroscopy mechanical_property Jason PUR NCM PetruPoni HumanHair Gallium MolecularSelfAssembly Implant Leakage Ananth MeltingPoint AdhesionForce Hexacontane MetalCompound Magnetic STO Kevlar Piezoelectric FrictionalForceMicroscopy LDPE PvdfFilm medical SFAs ElectroChemical