Scaling and crossovers in molecular transport in nano-fluidic systems

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9 Scopus citations


A simple, analytically soluble model for transport in nanoconfined systems is presented here. The effect of confinement is introduced as a dependence of the solute diffusivity on the concentration, channel size, and intermolecular interactions. We apply the model to the description of molecule and nanoparticle release from devices consisting of slit-nanochannel membranes. We show that, in general, the cumulative amount of analyte released obeys a scaling form as a function of time. Additionally, the model is extended to more complicate situations in which the physico-chemical characteristics of membrane and solvent vary with time, and crossovers between different regimes appear.

Original languageEnglish (US)
Article number113104
JournalApplied Physics Letters
Issue number11
StatePublished - Sep 9 2013

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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