[HTML][HTML] Universal properties of relaxation and diffusion in complex materials: Originating from fundamental physics with rich applications
KL Ngai - Progress in Materials Science, 2023 - Elsevier
Complex materials are composed of basic units which invariably interact with anharmonic
potentials. It is well known that the dynamics of systems with anharmonic interaction are …
potentials. It is well known that the dynamics of systems with anharmonic interaction are …
Many-body nature of relaxation processes in glass-forming systems
Most glass-forming systems are composed of basic units interacting with each other with a
nontrivial anharmonic potential. Naturally, relaxation and diffusion in glass formers is a many …
nontrivial anharmonic potential. Naturally, relaxation and diffusion in glass formers is a many …
A reoptimized GROMOS force field for hexopyranose‐based carbohydrates accounting for the relative free energies of ring conformers, anomers, epimers …
HS Hansen, PH Hünenberger - Journal of computational …, 2011 - Wiley Online Library
This article presents a reoptimization of the GROMOS 53A6 force field for hexopyranose‐
based carbohydrates (nearly equivalent to 45A4 for pure carbohydrate systems) into a new …
based carbohydrates (nearly equivalent to 45A4 for pure carbohydrate systems) into a new …
Conformational properties of glucose-based disaccharides investigated using molecular dynamics simulations with local elevation umbrella sampling
L Perić-Hassler, HS Hansen, R Baron… - Carbohydrate …, 2010 - Elsevier
Explicit-solvent molecular dynamics (MD) simulations of the 11 glucose-based
disaccharides in water at 300K and 1bar are reported. The simulations were carried out with …
disaccharides in water at 300K and 1bar are reported. The simulations were carried out with …
Trehalose or sucrose: which of the two should be used for stabilizing proteins in the solid state? A dilemma investigated by in situ micro-raman and dielectric …
T Starciuc, B Malfait, F Danede, L Paccou… - Journal of …, 2020 - Elsevier
The bioprotective properties of 2 disaccharides (sucrose and trehalose) were analyzed
during the freeze-drying (FD) process and at the end of the process, to better understand the …
during the freeze-drying (FD) process and at the end of the process, to better understand the …
Dielectric properties of chitosan and two ionic derivatives: Effect of counter anions
A Salama, F Mohamed, P Hesemann - Carbohydrate Polymers, 2022 - Elsevier
We report herein the dielectric properties response of two ionic chitosan derivatives. More
specifically, we report here chitosan derivatives bearing guanidinium groups, prepared …
specifically, we report here chitosan derivatives bearing guanidinium groups, prepared …
Stabilization of proteins embedded in sugars and water as studied by dielectric spectroscopy
In many products proteins have become an important component, and the long-term
properties of these products are directly dependent on the stability of their proteins. To …
properties of these products are directly dependent on the stability of their proteins. To …
Identifying the origins of two secondary relaxations in polysaccharides
The main goal of this paper is to identify the molecular origins of two secondary relaxations
observed in mechanical as well as in dielectric spectra in polysaccharides, including …
observed in mechanical as well as in dielectric spectra in polysaccharides, including …
Does Urea Alter the Collective Hydrogen‐Bond Dynamics in Water? A Dielectric Relaxation Study in the Terahertz‐Frequency Region
We report the ultrafast collective hydrogen‐bond dynamics of water in the extended
hydration layer of urea by using terahertz time‐domain spectroscopy in the frequency region …
hydration layer of urea by using terahertz time‐domain spectroscopy in the frequency region …
Dielectric studies on mobility of the glycosidic linkage in seven disaccharides
Isobaric dielectric relaxation measurements were performed on seven chosen
disaccharides. For five of them, ie, sucrose, maltose, trehalose, lactulose, and leucrose, we …
disaccharides. For five of them, ie, sucrose, maltose, trehalose, lactulose, and leucrose, we …