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Enhancement of Water Permeation across a Nanochannel by the Structure outside the Channel

2008; American Physical Society; Volume: 101; Issue: 25 Linguagem: Inglês

10.1103/physrevlett.101.257801

1092-0145

X. G. Gong, Jingyuan Li, He Zhang, Rongzheng Wan, Hangjun Lu, S. Wang, Haiping Fang,

Lipid Membrane Structure and Behavior

We used molecular dynamics simulation to study the effect of the external structure on water permeation across a single-walled nanochannel. In contrast with the macroscopic scenario, the outside structure greatly affects the water transport across the nanochannel. Remarkably, the ratio of maximal to minimal flux reached a value of about two for different outside structures. These findings are expected to be helpful in design of high-flux nanochannels and provide an insight into the contribution of the lipid membrane to water permeation across biological water channels.