- Suppression of proton mobility by hydrophobic hydration
- Journal of the American Chemical Society
- Volume | Issue number
- 131 | 47
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Van der Waals-Zeeman Institute (WZI)
Van 't Hoff Institute for Molecular Sciences (HIMS)
- Fluorescence microscopy and conductivity measurements reveal a remarkably strong effect of hydrophobic groups on the mobility of protons in water. The addition of 5 M of tetramethylurea (4 methyl, groups per molecule) results in a reduction of the proton mobility by a factor of similar to 10: hydrophobic hydration strongly suppresses proton mobility. These observations demonstrate the collective nature of aqueous proton transport.
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