Water Triggers Hydrogen-Bond-Network Reshaping in the Glycoaldehyde Dimer.

ABSTRACT: Carbohydrates are ubiquitous biomolecules in nature. The vast majority of their biomolecular activity takes place in aqueous environments. Molecular reactivity and functionality are, therefore, often strongly influenced by not only interactions with equivalent counterparts, but also with the surrounding water molecules. Glycoaldehyde (Gly) represents a prototypical system to identify the relevant interactions and the balance that governs them. Here we present a broadband rotational-spectroscopy study on the stepwise hydration of the Gly dimer with up to three water molecules. We reveal the preferred hydrogen-bond networks formed when water molecules sequentially bond to the sugar dimer. We observe that the dimer structure and the hydrogen-bond networks at play remarkably change upon the ad

SUBMITTER: Perez C 

PROVIDER: S-EPMC7318665 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature