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Troyer WE, Holly R, Peemoeller H, et al. Proton spin-spin relaxation study of hydration of a model nanopore. Solid State Nucl Magn Reson. 2005;28(2):238-43doi: 10.1016/j.ssnmr.2005.10.003.
Troyer, W. E., Holly, R., Peemoeller, H., & Pintar, M. M. (2005). Proton spin-spin relaxation study of hydration of a model nanopore. Solid state nuclear magnetic resonance, 28(2), 238-43. https://doi.org/10.1016/j.ssnmr.2005.10.003
Troyer, W E, et al. "Proton spin-spin relaxation study of hydration of a model nanopore." Solid state nuclear magnetic resonance vol. 28,2 (2005): 238-43. doi: https://doi.org/10.1016/j.ssnmr.2005.10.003
Troyer WE, Holly R, Peemoeller H, Pintar MM. Proton spin-spin relaxation study of hydration of a model nanopore. Solid State Nucl Magn Reson. 2005 Sep;28(2):238-43. doi: 10.1016/j.ssnmr.2005.10.003. Epub 2005 Nov 08. PMID: 16288854.
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Solid State Nucl Magn Reson. 2005 Sep;28(2):238-43. doi: 10.1016/j.ssnmr.2005.10.003. Epub 2005 Nov 08.

Proton spin-spin relaxation study of hydration of a model nanopore.

Solid state nuclear magnetic resonance

W E Troyer, R Holly, H Peemoeller, M M Pintar

Affiliations

  1. Department of Physics, University of Waterloo, Waterloo, Ont., Canada N2L 3G1.

PMID: 16288854 DOI: 10.1016/j.ssnmr.2005.10.003

Abstract

The hydration pattern of controlled pore glass, with pore diameter of 237 A, was investigated using nuclear magnetic resonance. Water proton spin-spin relaxation decay curves were monitored and modeled as two-component exponential decays as a function of hydration. The results are consistent with a geometric model involving a surface water layer and a bulk-like liquid fraction in the form of a plug. The amount of surface water increases as the sample hydrates, until hydration reached approximately a monolayer, at which point a water plug starts to form in the pore, and grow in length at the expense of the surface layer. The results are also analyzed in terms of, and compared to, a recently developed puddle pore-filling model [S.G. Allen, et al. J. Chem. Phys. 106 (1997) 7802-7809].

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