What is "hypermobile" water? Detected in alkali halide, adenosine phosphate, and F-actin solutions by highresolution microwave dielectric spectroscopy

Makoto Suzuki

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Experimental observation by high-resolution microwave dielectric spectroscopy of hydration properties of alkali halide ions, adenosine phosphate ions, and F-actin revealed the existence of hypermobile water (HMW) molecules around those solutes. To understand the molecular process of HMW, two theoretical approaches are reviewed here. One is based on a statistical mechanical approach to analyze the rotational freedom of water molecules around a charged particle. Another approach reports direct calculation of dielectric relaxation process of water molecules around an ion. Experimentally observed HMW molecules are theoretically explained with the significance of multi-correlations among an ion and water molecules.

Original languageEnglish
Pages (from-to)181-189
Number of pages9
JournalPure and Applied Chemistry
Volume86
Issue number2
DOIs
Publication statusPublished - 2014 Feb 1

Keywords

  • Hydration
  • Hypermobile water
  • Nucleotides
  • Phosphate
  • Protein properties
  • Rotational entropy
  • Spectroscopy

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

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