2025
Ionophore-Based Molecular Layer-by-Layer Polyamide Membranes for Facilitated Single-Ion Transport
Zhang J, Villalobos L, Lee J, Zhong M, Elimelech M. Ionophore-Based Molecular Layer-by-Layer Polyamide Membranes for Facilitated Single-Ion Transport. ACS Applied Materials & Interfaces 2025, 17: 30817-30824. PMID: 40359549, DOI: 10.1021/acsami.5c02331.Peer-Reviewed Original ResearchIon-selective polymeric membraneMolecular layer-by-layerEfficient ion separationIon binding featuresPolyamide membranesHigher binding energyBiological ion channelsLayer-by-layerIon separationPolyamide filmsPolymeric membranesIon selectivityBinding energySingle-ionIon bindingBinding featuresBinary salt mixturesIon transportCationsNernst-Planck equationCompetitive bindingSalt mixtureSub-10Nernst-PlanckIon flux
1988
Open channel noise. IV. Estimation of rapid kinetics of formamide block in gramicidin A channels
Heinemann S, Sigworth F. Open channel noise. IV. Estimation of rapid kinetics of formamide block in gramicidin A channels. Biophysical Journal 1988, 54: 757-764. PMID: 2465033, PMCID: PMC1330382, DOI: 10.1016/s0006-3495(88)83013-3.Peer-Reviewed Original ResearchConceptsBiological ion channelsGramicidin A channelsTime resolutionCurrent histogramFast time scaleOpen channel noiseCharacteristic timeNoise measurementsSingle-channel experimentsNoise experimentsDirect measurementTime scalesA channelsSpectral densityBandwidth limitationsCurrentTheoretical approachMeasurementsIon channelsBlocking processChannelsSingle-channel recordingsSingle-channel currentsNoiseDependence
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