Water properties under nano-scale confinement
Water is the universal solvent and plays a critical role in all known geological and biological
processes. Confining water in nano-scale domains, as encountered in sedimentary rocks, in …
processes. Confining water in nano-scale domains, as encountered in sedimentary rocks, in …
Shedding new light on nanostructured catalysts with positron annihilation spectroscopy
Interest in new tools for the analysis of catalytic materials is growing due to the potential to
enhance their functionality through the optimal nanostructuring, for example, of pore …
enhance their functionality through the optimal nanostructuring, for example, of pore …
Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies
Atmospheric water harvesting with metal–organic frameworks (MOFs) is a new technology
providing a clean, long-term water supply in arid areas. In-situ positron annihilation lifetime …
providing a clean, long-term water supply in arid areas. In-situ positron annihilation lifetime …
Identification of ortho-positronium annihilation sites in Y zeolites by positron lifetime measurements in different environments
L Chiari, H Noguchi, K Michishio - Radiation Physics and Chemistry, 2024 - Elsevier
The annihilation sites of ortho-positronium formed by positrons incident on Y zeolites with
different Si/Al ratios are investigated by positron annihilation lifetime spectroscopy in …
different Si/Al ratios are investigated by positron annihilation lifetime spectroscopy in …
Unraveling the Phase Behavior of Water Confined in Nanochannels through Positron Annihilation
R Zaleski, M Gorgol, A Kierys… - The Journal of …, 2022 - ACS Publications
Water confined in cylindrical pores of silica with a diameter of 2 nm was studied by positron
annihilation lifetime spectroscopy. Instead of freezing at 273 K, the glass-like transition …
annihilation lifetime spectroscopy. Instead of freezing at 273 K, the glass-like transition …
Inclusion complex of ibuprofen-β-cyclodextrin incorporated in gel for mucosal delivery: optimization using an experimental design
Abstract β-Cyclodextrin/ibuprofen inclusion complex was synthesized by freeze-drying
method and characterized for phase solubility profiles, infrared spectra, thermal analysis …
method and characterized for phase solubility profiles, infrared spectra, thermal analysis …
Multicomponent Quantum Mechanics/Molecular Mechanics Study of Hydrated Positronium
M Bergami, ALD Santana… - The Journal of …, 2022 - ACS Publications
We propose a model for solvated positronium (Ps) atoms in water, based on the sequential
quantum mechanics/molecular mechanics (s-QM/MM) protocol. We developed a Lennard …
quantum mechanics/molecular mechanics (s-QM/MM) protocol. We developed a Lennard …
I mportance of the Order of Addition of the Alumina Precursor and its Type Into Al-SBA-15 Mesoporous Materials for Use as Water Adsorbents
JON Ribeiro, DCL Vasconcelos… - Materials …, 2018 - SciELO Brasil
In the present report, Al-SBA mesoporous materials were investigated for use as water
adsorbents. Different precursors for aluminum were investigated: aluminum sulfate and …
adsorbents. Different precursors for aluminum were investigated: aluminum sulfate and …
Comparative Analysis of Parent and Modified ZSM-5 Zeolites: Insights from Positron Annihilation Lifetime Spectroscopy
Modified zeolite ZSM-5 samples were prepared by synthesis in the presence of the organics
acting as mesoporogens: cationic surfactant, hexadecyltrimethylammonium bromide (CTAB) …
acting as mesoporogens: cationic surfactant, hexadecyltrimethylammonium bromide (CTAB) …
Extended lifetime of molecules adsorbed onto excipients drives nucleation in heterogeneous crystallization
PA Cazade, V Verma, BK Hodnett… - Crystal Growth & …, 2021 - ACS Publications
Monte Carlo (MC) and molecular dynamics (MD) computer simulations were used to
investigate the role of adsorption during seeded and heterogeneous crystallization. The …
investigate the role of adsorption during seeded and heterogeneous crystallization. The …