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10.1073/pnas.1513718112 http://scihub22266oqcxt.onion/10.1073/pnas.1513718112 C4568210!4568210!26283377     free     free     free Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Proc+Natl+Acad+Sci+U+S+A 2015 ; 112 (35): 10851-6 Nephropedia Template TP {{tp|p=26283377|t=2015. Unraveling the mechanism of selective ion transport in hydrophobic subnanometer channels |pdf=|usr=}}{{26283377}} gab.com Text Unraveling the mechanism of selective ion transport in hydrophobic subnanometer channels JO: Proc Natl Acad Sci U S A http://www.kidney.de/pget.php?&tw=1&pmid=26283377 #FOAvip Ion channels facilitate diffusion of ions across biological membranes. It has been a longstanding puzzle as to why the larger-sized K+ ion can diffuse across the narrow potassium channel, whereas the smaller Na+ cannot. Recently synthesized nanopores also possess ion selectivity, suggesting different mechanisms for the selective ion transport. Here, we employ ab initio molecular dynamics simulation to investigate structural and dynamical properties of aqua Na+ and K+ ions in hydrophobic nanochannels. We find that the aqua-Na+ ion has a smaller-sized but more structured and robust hydration shell, leading to low diffusivity in subnanometer channels. We predict that the (8, 8) carbon nanotube is possibly the best artificial K+-selective channel and may give rise to the highest K+ transportation rate. Twit Text FOAVip Unraveling the mechanism of selective ion transport in hydrophobic subnanometer channels ????Proc Natl Acad Sci U S A http://www.kidney.de/pget.php?&tw=1&pmid=26283377 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26283377 #FOAvip English Wikipedia <ref>{{Cite pmid|26283377}}</ref> Unraveling the mechanism of selective ion transport in hydrophobic subnanometer channels #MMPMID26283377 Li H; Francisco JS; Zeng XC Proc Natl Acad Sci U S A 2015[Sep]; 112 (35): 10851-6 PMID26283377show ga Ion channels facilitate diffusion of ions across biological membranes. It has been a longstanding puzzle as to why the larger-sized K+ ion can diffuse across the narrow potassium channel, whereas the smaller Na+ cannot. Recently synthesized nanopores also possess ion selectivity, suggesting different mechanisms for the selective ion transport. Here, we employ ab initio molecular dynamics simulation to investigate structural and dynamical properties of aqua Na+ and K+ ions in hydrophobic nanochannels. We find that the aqua-Na+ ion has a smaller-sized but more structured and robust hydration shell, leading to low diffusivity in subnanometer channels. We predict that the (8, 8) carbon nanotube is possibly the best artificial K+-selective channel and may give rise to the highest K+ transportation rate. äUnraveling the mechanism of selective ion transport in hydrophobic sub(epmc).pdf DeepDyve Pubget Overpricing