Water Dynamics in Microemulsion Droplets. A Nuclear Spin Relaxation Study

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Abstract

The state of water in aqueous microemulsion droplets in the system AOT/D2O/isooctane has been investigated by 2H and 17O NMR. Longitudinal relaxation rates are reported as a function of droplet size, droplet volume fraction, temperature, and resonance frequency. We conclude that the surface-induced perturbation of water rotation is of short range (limited to the primary hydration of the AOT head groups) and of modest magnitude (less than a factor of 10 slower rotation than in bulk water).

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Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Fysikalisk kemi
Originalspråkengelska
Sidor (från-till)1346-1352
Antal sidor7
TidskriftLangmuir
Volym4
Utgåva nummer6
StatusPublished - 1988 nov 1
PublikationskategoriForskning
Peer review utfördJa