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Related Experiment Video
Updated: Feb 8, 2026

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Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues
Published on: February 17, 2017
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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
Summary
Trehalose weakly interacts with water, minimally impacting its structure. This finding explains trehalose
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.

