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Related Experiment Video

Updated: Feb 8, 2026

Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues
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Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues

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Trehalose in Water Revisited.

Alan K Soper1, Maria Antonietta Ricci2, Fabio Bruni2

  • 1ISIS Facility, STFC Rutherford Appleton Laboratory , Harwell Campus , Didcot OX11 0QX , U.K.

The Journal of Physical Chemistry. B
|July 3, 2018
PubMed
Summary
This summary is machine-generated.

Trehalose weakly interacts with water, minimally impacting its structure. This finding explains trehalose

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Area of Science:

  • Biophysics
  • Structural Biology
  • Materials Science

Background:

  • Trehalose is a disaccharide found in organisms that helps them survive harsh environmental conditions.
  • Previous neutron scattering studies on trehalose-water solutions yielded conflicting results regarding trehalose's impact on water structure.
  • Discrepancies in existing literature necessitate further investigation into trehalose-water interactions.

Purpose of the Study:

  • To resolve conflicting conclusions from previous neutron scattering studies on trehalose-water solutions.
  • To accurately determine the structural impact of trehalose on water molecules.
  • To elucidate the hydrogen bonding interactions between trehalose and water.

Main Methods:

  • X-ray scattering experiments were conducted on trehalose-water solutions at specific concentrations.
  • Empirical potential structure refinement was applied to previously collected neutron diffraction data.
  • Analysis focused on water structure and hydrogen bonding in the presence of trehalose.

Main Results:

  • Trehalose exhibits a minor impact on the overall structure of water across all tested concentrations.
  • Hydrogen bonds formed between trehalose and water molecules are relatively weak.
  • The findings align with and explain trehalose's elevated glass-transition temperature.

Conclusions:

  • Trehalose's limited effect on water structure and weak hydrogen bonding explain its protective properties.
  • The study reconciles previous conflicting findings on trehalose-water interactions.
  • This research provides insight into trehalose's effectiveness as a protectant against environmental stress.