2009
DOI: 10.1080/08927020802353491
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Carbon nanotube assisted water self-diffusion across lipid membranes in the absence and presence of electric fields

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Cited by 59 publications
(57 citation statements)
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“…While the fields employed in this work were relatively weak vis-à-vis fields generated by charge distributions, it was observed that the permeation of water for the (5,5) SWCNT embedded in a lipid membrane is enhanced by static electric fields due to a decrease in the fluctuations of the number of water molecules inside the SWCNT. In the larger single-file (6,6) CNT pore, dipole alignment with the imposed external field is more easily achieved due to a greater degree of rotational freedom of the water molecules and this was observed to result in a significant reduction in the water self-diffusion flux 26 . In this work it was also observed that the non-field (6,6) flux results were much higher than those reported by Zhu and Schulten 14 , even though the same potential/force field was used in both studies.…”
Section: Introductionmentioning
confidence: 99%
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“…While the fields employed in this work were relatively weak vis-à-vis fields generated by charge distributions, it was observed that the permeation of water for the (5,5) SWCNT embedded in a lipid membrane is enhanced by static electric fields due to a decrease in the fluctuations of the number of water molecules inside the SWCNT. In the larger single-file (6,6) CNT pore, dipole alignment with the imposed external field is more easily achieved due to a greater degree of rotational freedom of the water molecules and this was observed to result in a significant reduction in the water self-diffusion flux 26 . In this work it was also observed that the non-field (6,6) flux results were much higher than those reported by Zhu and Schulten 14 , even though the same potential/force field was used in both studies.…”
Section: Introductionmentioning
confidence: 99%
“…Electric-Field and Friction Effects on Carbon Nanotube-Assisted Water Self-Diffusion Across Lipid Membranes 519 them due to a decrease in the fluctuations of the number of water molecules within the pores, arising from the water molecules' dipole orientation with the field 26 . Although it is difficult to reach a conclusion for the (more statistically accurate vis-à-vis [27]) slightly larger static-field rate in the case of this work for (6,6) CNTs, due to overlapping error bars with respect to the zero-field result, the single-file nature of water transport in (6,6) CNTs, similar to the (5,5) case, suggests that a more minor decrease in the fluctuations of the number of water molecules inside is at play in the static field.…”
Section: Static and Alternating Electric Field Effects And Water Selfmentioning
confidence: 99%
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