CancerCell NiFe UnivMaryland Floppy Bio Oxidation Polyurethane AnodizedAluminumOxide Titanate ULCA ReflexLens Hair Stiffness Boron SKPM Array Litho HBN PVAP3HT Mechanical PS_PVAC FrictionForce AtomicLayer BiFeO3 YszSubstrate Steps PinpointNanomechanicalMode FM_SKPM Gold Deposition UnivCollegeLondon semifluorinated_alkanes Silver self-assembled_monolayer Singapore