Hydrate-H20 and Liquid Like H2O

H2O Interactions which are Necessary for Biological Activity
  • Hubertus Kleeberg
  • Werner A. P. Luck

Summary

H-bond interactions of H2O can be investigated with high accuracy in the region of the H2O combination vibration (near infrared (NIR): 1900–2000 nm or 5300–5000 cm−1).

Below 50 % relative humidity H2O forms H-bonds with the polar groups of biopolymers (Hydrate-H2O). This H2O is necessary for the stability of biomolecules but not sufficient for them to develop activity.

Above 50 % relative humidity liquid like H2O is present in addition to Hydrate-H2O.

The IR-spectrosopically determined amount of H2O which is changed in its intermolecular interactions in comparison to pure water is in agreement with the results of other methods. The consequences of biopolymer-H2O interactions are discussed with respect to enzymatic activity and partition coefficients in biological systems.

Keywords

Pure Water Lone Electron Pair Collagenous System Triple Helical Structure Molecular Weight Solution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1985

Authors and Affiliations

  • Hubertus Kleeberg
    • 1
  • Werner A. P. Luck
    • 1
  1. 1.Department of Physical ChemistryUniversity of MarburgGermany

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