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Title: Impact of PEG additives and pore rim functionalization on water transport through sub-1 nm carbon nanotube porins

Abstract

In the past, sub-1 nm diameter carbon nanotube porins embedded in a lipid membrane matrix demonstrated extremely high water permeabilities and strong ion selectivities. In this work, we explore additional factors that influence transport in these channels.

Authors:
 [1];  [1];  [1]; ORCiD logo [2]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Merced, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1542721
Alternate Identifier(s):
OSTI ID: 1459674
Report Number(s):
LLNL-JRNL-749767
Journal ID: ISSN 1359-6640; FDISE6; 935231
Grant/Contract Number:  
AC52-07NA27344; SCW0972; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Faraday Discussions
Additional Journal Information:
Journal Volume: 209; Journal Issue: na; Journal ID: ISSN 1359-6640
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Tunuguntla, Ramya H., Hu, Andrew Y., Zhang, Yuliang, and Noy, Aleksandr. Impact of PEG additives and pore rim functionalization on water transport through sub-1 nm carbon nanotube porins. United States: N. p., 2018. Web. doi:10.1039/c8fd00068a.
Tunuguntla, Ramya H., Hu, Andrew Y., Zhang, Yuliang, & Noy, Aleksandr. Impact of PEG additives and pore rim functionalization on water transport through sub-1 nm carbon nanotube porins. United States. doi:10.1039/c8fd00068a.
Tunuguntla, Ramya H., Hu, Andrew Y., Zhang, Yuliang, and Noy, Aleksandr. Fri . "Impact of PEG additives and pore rim functionalization on water transport through sub-1 nm carbon nanotube porins". United States. doi:10.1039/c8fd00068a. https://www.osti.gov/servlets/purl/1542721.
@article{osti_1542721,
title = {Impact of PEG additives and pore rim functionalization on water transport through sub-1 nm carbon nanotube porins},
author = {Tunuguntla, Ramya H. and Hu, Andrew Y. and Zhang, Yuliang and Noy, Aleksandr},
abstractNote = {In the past, sub-1 nm diameter carbon nanotube porins embedded in a lipid membrane matrix demonstrated extremely high water permeabilities and strong ion selectivities. In this work, we explore additional factors that influence transport in these channels.},
doi = {10.1039/c8fd00068a},
journal = {Faraday Discussions},
number = na,
volume = 209,
place = {United States},
year = {2018},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 2 works
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Figures / Tables:

Figure 1 Figure 1: A. Schematic of the osmotically-driven water transport experiments. Under the pressure of an external osmolyte, water escapes from the liposomes through the carbon nanotube porins, leading to liposome shrinkage. B. 3D representation of a PEG200 molecule obtained from MD simulations. C. 3D representation of a PEG1000 molecule showingmore » coiled structure.« less

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