PVA AM-KPFM mechanical property IIT-chennai Hexylthiophene Conduct Polydimethylsiloxane self_assembly OpticalWaveguide Chrome MESA structure FloppyDisk Biology Lateral Pore high_resolution organic_polymer lift_mode Composition cannabinoid Pinpoint Zagreb thermoplastic_elastomers NiFe Liquid I-VSpectroscopy Praseodymium Typhimurium Chloroform HumanHair Metal molecule Water Ca10(PO4)6(OH)2 LateralForceMicroscopy