The hot mitochondrion paradox: reconciling theory and experiment

P Fahimi, CF Matta - Trends in Chemistry, 2022 - cell.com
Experiments by Chrétien and coworkers suggest that mitochondria are 10° C hotter than
their surroundings. Steady-state theoretical estimates place this difference at a maximum of …

Hydration dynamics in biological membranes: Emerging applications of terahertz spectroscopy

S Pal, A Chattopadhyay - The Journal of Physical Chemistry …, 2021 - ACS Publications
Water drives the spontaneous self-assembly of lipids and proteins into quasi two-
dimensional biological membranes that act as catalytic scaffolds for numerous processes …

Resolving the structural debate for the hydrated excess proton in water

PB Calio, C Li, GA Voth - Journal of the American Chemical …, 2021 - ACS Publications
It has long been proposed that the hydrated excess proton in water (aka the solvated
“hydronium” cation) likely has two limiting forms, that of the Eigen cation (H9O4+) and that of …

Broadband 2D IR spectroscopy reveals dominant asymmetric H5O2+ proton hydration structures in acid solutions

JA Fournier, WB Carpenter, NHC Lewis… - Nature chemistry, 2018 - nature.com
Given the critical role of the aqueous excess proton in redox chemistry, determining its
structure and the mechanism of its transport in water are intense areas of experimental and …

Structural characterization of protonated water clusters confined in HZSM-5 zeolites

JH Hack, JP Dombrowski, X Ma, Y Chen… - Journal of the …, 2021 - ACS Publications
A molecular description of the structure and behavior of water confined in aluminosilicate
zeolite pores is a crucial component for understanding zeolite acid chemistry under hydrous …

The coupling of the hydrated proton to its first solvation shell

M Schröder, F Gatti, D Lauvergnat, HD Meyer… - Nature …, 2022 - nature.com
Abstract The Zundel (H 5 O 2+) and Eigen (H 9 O 4+) cations play an important role as
intermediate structures for proton transfer processes in liquid water. In the gas phase they …

Zundeig: The structure of the proton in liquid water from unsupervised learning

S Di Pino, ED Donkor, VM Sánchez… - The Journal of …, 2023 - ACS Publications
The structure of the excess proton in liquid water has been the subject of lively debate on
both experimental and theoretical fronts for the last century. Fluctuations of the proton are …

Proton Dissociation and Delocalization under Stepwise Hydration of Zeolite HZSM-5

JH Hack, X Ma, Y Chen, JP Dombrowski… - The Journal of …, 2023 - ACS Publications
The protonation behavior of zeolite Brønsted acid sites (BAS) in the presence of water is
important for the performance of these widely used catalysts. Despite extensive study, the …

Spectral signatures of excess-proton waiting and transfer-path dynamics in aqueous hydrochloric acid solutions

FN Brünig, M Rammler, EM Adams, M Havenith… - Nature …, 2022 - nature.com
The theoretical basis for linking spectral signatures of hydrated excess protons with
microscopic proton-transfer mechanisms has so far relied on normal-mode analysis. We …

Microscopic mechanism of proton transfer in pure water under ambient conditions

J Huo, J Chen, P Liu, B Hong, J Zhang… - Journal of Chemical …, 2023 - ACS Publications
Water molecules and the associated proton transfer (PT) are prevalent in chemical and
biological systems and have been a hot research topic. Spectroscopic characterization and …