Results 31 to 40 of about 454,051 (310)

Superoxide Ion: Generation and Chemical Implications [PDF]

open access: yesChemical Reviews, 2016
Superoxide ion (O2(•-)) is of great significance as a radical species implicated in diverse chemical and biological systems. However, the chemistry knowledge of O2(•-) is rather scarce. In addition, numerous studies on O2(•-) were conducted within the latter half of the 20th century.
Maan, Hayyan   +2 more
openaire   +2 more sources

The modulation of ion channels in cancer chemo-resistance

open access: yesFrontiers in Oncology, 2022
Ion channels modulate the flow of ions into and out of a cell or intracellular organelle, leading to generation of electrical or chemical signals and regulating ion homeostasis.
Jiayu Zhao, Mei Li, Jiao Xu, Wei Cheng
doaj   +1 more source

Range finding of Alfvén oscillations and direction finding of ion-cyclotron waves by using the ground-based ULF finder [PDF]

open access: yes, 1996
International audienceA new approach to the problem of direction and distance finding of magnetospheric ULF oscillations is described. It is based on additional information about the structure of geoelectromagnetic field at the Earth's surface which is ...
Orr, D.   +9 more
core   +1 more source

Nanoparticle-Enabled Ion Trapping and Ion Generation in Liquid Crystals

open access: yesAdvances in Condensed Matter Physics, 2018
Nowadays, nanomaterials in liquid crystals and their possible applications in the design of tunable, responsive, and wearable devices are among the most promising research directions.
Yuriy Garbovskiy
doaj   +1 more source

Efficient ion generation in laser-foil interaction

open access: yesEPJ Web of Conferences, 2013
A remarkable improvement is presented on the energy conversion efficiency from laser to protons in a laser-foil interaction by particle simulations.
Kawata S.   +12 more
doaj   +1 more source

Nanochannel‐Based Ion Transport and Its Application in Osmotic Energy Conversion: A Critical Review

open access: yesAdvanced Physics Research, 2023
Nanochannel‐based ion transport is an important field of study in various disciplines, including physics, chemistry, energy, materials science, biology, and earth science.
Qiang Wang   +8 more
doaj   +1 more source

ICRF heating schemes for the HL-2M tokamak

open access: yesNuclear Fusion, 2023
The HL-2M tokamak is a new medium-sized tokamak at SouthWestern Institute of Physics. Two of its key missions are to achieve 10 keV ion temperature and investigate the behavior of energetic particles relevant to burning plasmas.
L.F. Lu   +11 more
doaj   +1 more source

Dense plasmas in magnetic traps : generation of focused ion beams with controlled ion-to-neutral flux ratios [PDF]

open access: yes, 2014
Customized magnetic traps were developed to produce a domain of dense plasmas with a narrow ion beam directed to a particular area of the processed substrate.
Ostrikov, Kostya   +15 more
core   +1 more source

Generation and direct observation of a triplet arylnitrenium ion

open access: yesNature Communications, 2022
Nitrenium ions are highly electrophilic reactive intermediates of formula R−N−R+, nitrogen analogue of carbenes. Here the authors report the detection of a triplet nitrenium ion using time-resolved spectroscopic methods and ab initio computations ...
Lili Du   +7 more
doaj   +1 more source

A first comparison of irregularity and ion drift velocity measurements in the E-region [PDF]

open access: yes, 2006
International audienceE-region irregularity velocity measurements at large flow angles with the STARE Finland coherent VHF radar are considered in context of the ion and electron velocity data provided by the EISCAT tristatic radar system, CUTLASS ...
J. A. Davies   +17 more
core   +1 more source

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