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2D Ising model for hydrated protein surfaces

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Summary

To understand the nature of the glassy dielectric relaxation recently observed in hydrated protein powders, we model the protein surface as a 2D Ising square net, and identify frustration at the molecular level in the competing interactions of migrating protons with bound water.

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Author information

Correspondence to G. Careri.

Additional information

In honour of Prof. Gianfranco Chiarotti on the occasion of his 70th birthday.

The author acknowledges fruitful discussions on this model with his coworkers F. Bruni and G. Consolini.

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Careri, G. 2D Ising model for hydrated protein surfaces. Nouv Cim D 20, 1135–1140 (1998). https://doi.org/10.1007/BF03185522

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PACS 87.15

  • Molecular biophysics

PACS 77.22

  • Dielectric properties of solids and liquids
  • PACS 01.30.Ee
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