Complexity of confined water vitrification and its glass transition temperature.

ABSTRACT: The ability of vitrification when crossing the glass transition temperature (T_g) of confined and bulk water is crucial for myriad phenomena in diverse fields, ranging from the cryopreservation of organs and food to the development of cryoenzymatic reactions, frost damage to buildings, and atmospheric water. However, determining water's T_g remains a major challenge. Here, we elucidate the glass transition of water by analyzing the calorimetric behavior of nano-confined water across various pore topologies (diameters: 0.3 to 2.5 nm). Our approach involves subjecting confined water to annealing protocols to identify the temperature and time evolution of nonequilibrium glass kinetics. Furthermore, we complement this calorimetric approach with the dynamics of confined wate

SUBMITTER: Melillo JH 

PROVIDER: S-EPMC11474062 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature