graphene_hybrid Mechanical medical Ecoli Led Polydimethylsiloxane NUS_NNI_Nanocore PinpointNanomechanicalMode Alloy VinylAlcohol Cross-section cooling Scratch molecular_self_assembly semifluorinated_alkanes LiftHeight flakes Calcite TemperatureControlledAFM Microchannel Flake CarbonNanotube Pores Jason Worcester_Polytechnic_Institute Polyvinylidene EPFL Tin sulfide CopperFoil SAM FuelCell Array Non-ContactMode Fujian Mapping