Vinylpyridine Materials Boundary graphene_hybrid PetruPoni_Institute Bacteria Magnetostrictive MembraneFilter PUR Hydroxyapatite MBE EPFL HighResolution MoirePattern Typhimurium sputter Nanopattern STO Force-distance Biofilm gallium_nitride TappingMode self_healing LeakageCurrent Thermoplastic_polyurethane ContactModeDot Croatia MfmAmplitude LDPE hard_disk Calcium DeflectionOptics TCS FrictionalForceMicroscopy Ecoli