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Molecular Control and Characterization of Chiral Hydrogen-bond Networks

Project description

Unravelling the role of water in chiral recognition

In biology and chemistry many biological molecules, such as amino acids, sugars, and drugs, are chiral, mirror images of each other. Because chiral molecules have different functions, being able to distinguish between the two is critical to understanding biological systems. The ERC-funded HYDROCHIRAL project aims to delineate the role of water in this chiral recognition. Since water molecules form hydration shells around chiral molecules and specific hydrogen bonding, they affect stability, folding and conformation of chiral molecules. Using innovative technologies, researchers will study chiral water structures in biomolecule solvation. Apart from fundamental knowledge, project findings are expected to help advance analytical chemistry and pharmaceutical applications like drug discovery.

Objective

Chirality and water both play key roles in various aspects of biological functions and disentangling water’s role in chiral recognition in biological processes is paramount to ultimately understanding the origins of homochirality. HydroChiral proposes to do this by developing ground-breaking instrumentation that uses broadband molecular rotational spectroscopy combined with supersonic expansions, buffer gas cell technology, and novel chiral capabilities to explore pressings topics at the forefront of water research and chirality such as the generation and characterization of chiral water, the generation of larger water clusters to examine the first solvation shell, and absolute configuration determination for analytical applications. This technique will differentiate between enantiomers, diasteriomers, and conformers within complex gas mixtures while enabling the study, at an unprecedented accuracy, of the chiral water structures that form in the solvation of biomolecules and unravel the active role of water in most biological processes.
The project will demonstrate the use of chiral techniques that have been developed for rotational spectroscopy on molecular clusters for the first time, and it will use enantiomer-selective population transfer techniques to tilt the racemic nature of chiral water clusters and create enantiomerically enriched water. The proposed research encompasses my three fields of expertise to perform cutting-edge research in water cluster science, chirality and solvation using the advantageous features of rotational spectroscopy. The outcomes of HydroChiral will open new horizons for not only fundamental research in physical chemistry and molecular physics but also in applied fields ranging from analytical chemistry to asymmetric synthesis in pharmaceutical applications such as drug discovery, where absolute configuration determination is crucial.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2023-COG

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Host institution

UNIVERSIDAD DE SANTIAGO DE COMPOSTELA
Net EU contribution
€ 1 321 138,66
Address
COLEXIO DE SAN XEROME PRAZA DO OBRADOIRO S/N
15782 Santiago De Compostela
Spain
Region
Noroeste Galicia A Coruña
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 321 138,66

Beneficiaries (2)