2008
Transport of Ions and Molecules in Nanofluidic Devices
Karnik R, Duan C, Castelino K, Fan R, Yang P, Majumdar A. Transport of Ions and Molecules in Nanofluidic Devices. 2008, 1841-1849. DOI: 10.1115/icnmm2008-62065.Peer-Reviewed Original ResearchLarge surface areaSurface reactionsElectrostatic interactionsSurface chargeBiological binding eventsSize of biomoleculesSurface areaPatterning of biomoleculesTransport of moleculesMolecular transportRapid surface reactionSemiconductor field-effect transistorsField-effect transistorsVolume ratioInteresting transport phenomenaIonic concentrationNanoscale dimensionsBiomolecular chargesNanochannel sizeAqueous solutionNanofluidic devicesEffect transistorsFluidic channelsNanofluidic transistorLow ionic concentrations
2006
Nanofluidic Devices for Sensing and Flow Control
Karnik R, Castelino K, Duan C, Fan R, Yang P, Majumdar A. Nanofluidic Devices for Sensing and Flow Control. 2006, 161-167. DOI: 10.1115/icnmm2006-96156.Peer-Reviewed Original ResearchNanofluidic devicesBiomolecule sizeSurface chargeNanofluidic transistorGate voltageField-effect transistorsNetwork of nanochannelsMetal gate electrodesSilica nanotubesNanofluidic networksStandard lithographyBiomolecule chargesNanofluidic channelsFluidic channelsEffect transistorsNanochannel surfaceFabrication processGate electrodeNanochannelsCarrier concentrationTransistorsFlow controlElectrical conductance measurementsFluorescence imagingElectrostatic interactions