A computer representation image showing a small diameter carbon nanotube porin embedded in a lipid membrane. This material relates to a paper that appeared in the Aug. 25,2017, issue of Science, published by AAAS. The paper, by R.H. Tunuguntla at Lawrence Livermore National Laboratory in Livermore, Calif., and colleagues was titled, "Enhanced water permeability and tunable ion selectivity in subnanometer carbon nanotube porins."
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