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Related Experiment Video

Updated: May 15, 2026

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
10:28

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

[Water: nanostructure and fluctuations].

S D Zakharov

    Biofizika
    |January 1, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Water clusters oscillate between hexagonal ice and biomolecule-associated structures. These dynamic structural changes in liquid water may explain observed fluctuations in its physical and chemical properties.

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    Area of Science:

    • Physical Chemistry
    • Biophysics
    • Materials Science

    Context:

    • A recent model proposes transient, nanometer-sized, tetrahedrally coordinated water clusters in liquid water with broken hydrogen bonds.
    • These clusters are dynamic, constantly forming and disappearing within the bulk liquid.

    Purpose:

    • To investigate the structural dynamics of these water clusters.
    • To determine if these clusters exhibit distinct structural forms.
    • To propose a mechanism for observed fluctuations in water's properties.

    Summary:

    • This study demonstrates that local water clusters can oscillate between two distinct structural states.
    • One state resembles hexagonal ice (ice Ih), a common crystalline form of water.
    • The other state comprises modules found in the hydration shells of biomolecules, suggesting a link to biological systems.

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    Last Updated: May 15, 2026

    Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
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    Published on: May 27, 2018

    An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
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    Impact:

    • The findings suggest that the self-oscillations of water clusters between these two forms are responsible for the fluctuations in various physical and chemical parameters of water.
    • This provides a new perspective on the dynamic nature of liquid water and its interactions with biomolecules.
    • Understanding these dynamics could have implications for fields ranging from materials science to biochemistry.