norganic non_contact PDMS C_AFM organic_polymer ContactModeDots LiftMode LiquidCell TyphimuriumBiofilm Genetic Workfunction Chromium contact TPU PinPointMode Conductance Polydimethylsiloxane IndiumTinOxide Calcite hydrocarbon ScanningIon-ConductanceMicroscopy CancerCell Aluminium_Oxide CrAu Etch domain_switching PANI University_of_Regensburg HumanHair GaN mechanical_property Copolymer OpticalElement Silver Holes