Results 1 to 10 of about 66,822 (374)
Bilirubin Oxidase from Myrothecium verrucaria Physically Absorbed on Graphite Electrodes. Insights into the Alternative Resting Form and the Sources of Activity Loss. [PDF]
PLoS ONE, 2015 The oxygen reduction reaction is one of the most important chemical processes in energy converting systems and living organisms. Mediator-less, direct electro-catalytic reduction of oxygen to water was achieved on spectrographite electrodes modified by ...
Federico Tasca +4 more
doaj +6 more sources
Effects of halogens on European air-quality [PDF]
Faraday Discussions, 2017 Halogens (Cl, Br) have a profound influence on stratospheric ozone (O3). They (Cl, Br and I) have recently also been shown to impact the troposphere, notably by reducing the mixing ratios of O3 and OH.
Tomás Sherwen +2 more
exaly +5 more sources
Halogen Enrichment of Siberian Traps Magmas During Interaction With Evaporites
Frontiers in Earth Science, 2021 Volatile emissions to the atmosphere associated with the Siberian Traps eruptions at the Permian-Triassic boundary were sourced from the outgassing of primary magmas and the sedimentary host rocks into which they were intruded. Halogens in volcanic gases
Svetlana Sibik +6 more
doaj +1 more source
Molecules, 2023 The dynamic and static nature of the XH-∗-π and YX-∗-π (X = F, Cl, Br, and I; Y = X and F) interactions in the distorted π-system of corannulene (π(C20H10)) is elucidated with a QTAIM dual functional analysis (QTAIM-DFA), where asterisks emphasize the ...
Satoko Hayashi +3 more
doaj +1 more source
Co-emission of volcanic sulfur and halogens amplifies volcanic effective radiative forcing [PDF]
Atmospheric Chemistry and Physics, 2021 The evolution of volcanic sulfur and the resulting radiative forcing following explosive volcanic eruptions is well understood. Petrological evidence suggests that significant amounts of halogens may be co-emitted alongside sulfur in some explosive ...
J. Staunton-Sykes +11 more
doaj +1 more source
Defect Processes in Halogen Doped SnO2
Applied Sciences, 2021 In the present study, we performed density functional theory calculations (DFT) to investigate structural changes and their impact on the electronic properties in halogen (F, Cl, Br, and I) doped tin oxide (SnO2).
Petros-Panagis Filippatos +4 more
doaj +1 more source
Sensitivity of tropospheric ozone to halogen chemistry in the chemistry–climate model LMDZ-INCA vNMHC [PDF]
Geoscientific Model Development, 2023 The atmospheric chemistry of halogenated species (Cl, Br, I) participates in the global chemical sink of tropospheric ozone and perturbs the oxidising capacity of the troposphere, notably by influencing the atmospheric lifetime of methane.
C. Caram +5 more
doaj +1 more source
Application of Satellite‐Based Detections of Arctic Bromine Explosion Events Within GEOS‐Chem
Journal of Advances in Modeling Earth Systems, 2023 During polar spring, periods of elevated tropospheric bromine drive near complete removal of surface ozone. These events impact the tropospheric oxidative capacity and are an area of active research with multiple approaches for representing the ...
P. A. Wales +9 more
doaj +1 more source
Frontiers in Earth Science, 2023 Remote sensing (RS) of volcanic gases has become a central tool for studying volcanic activity. For instance, ultraviolet (UV) skylight spectroscopy with grating spectrographs (GS) enables SO2 (and, under favourable conditions, BrO) quantification in ...
Jonas Kuhn +15 more
doaj +1 more source
Kinetics of the Reactions of Ozone with Halogen Atoms in the Stratosphere
Atmosphere, 2021 It is well established that reaction cycles involving inorganic halogens contribute to the depletion of ozone in the atmosphere. Here, the kinetics of O3 with halogen atoms (Cl, Br, and I) were investigated between 180 and 400 K, expanding the ...
S. Vijayakumar +2 more
doaj +1 more source