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Related Experiment Videos

Temperature effects on cell-functioning--a critical role for vicinal water.

W Drost-Hansen1

  • 1Laboratorium Drost, Williamsburg, VA 23188, USA. wdrosthans@aol.com

Cellular and Molecular Biology (Noisy-Le-Grand, France)
|December 1, 2001
PubMed
Summary

Vicinal water, found at interfaces, exhibits unique thermal properties and undergoes structural phase transitions at specific temperatures. This phenomenon impacts cell biology, explaining thermal anomalies in various biological systems.

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Area of Science:

  • Physical Chemistry
  • Biophysics
  • Cell Biology

Background:

  • Interfacial water, termed 'vicinal water', extends several molecular diameters from interfaces.
  • Vicinal water displays unusual thermal properties, with abrupt changes at specific temperatures.

Purpose of the Study:

  • To investigate the thermal properties of vicinal water.
  • To explore the implications of vicinal water's thermal behavior in biological systems.

Main Methods:

  • The study focuses on the observed thermal anomalies of vicinal water.
  • No specific experimental methods are detailed, but the abstract discusses implications based on these observations.

Main Results:

  • Vicinal water exhibits abrupt thermal changes around 15, 30, 45, and 60 degrees C, indicative of higher-order phase transitions.

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  • These thermal transitions are present at all interfaces, including those within biological cells.

    • Conclusions:

    • Vicinal water's thermal properties significantly influence cell biology.
    • The concept explains numerous thermal anomalies observed in enzyme function, membrane processes, cell volume, erythrocyte sedimentation, and microbial growth.