Results 101 to 110 of about 3,251,153 (369)

Classical Trajectories for two Ring-Shaped Potentials

open access: yes, 1998
This paper deals with the classical trajectories for two super-integrable systems: a system known in quantum chemistry as the Hartmann system and a system of potential use in quantum chemistry and nuclear physics.
Kibler, M.   +2 more
core   +3 more sources

Advances in molecular quantum chemistry contained in the Q-Chem 4 program package

open access: yesMolecular Physics, 2014
A summary of the technical advances that are incorporated in the fourth major release of the Q-Chem quantum chemistry program is provided, covering approximately the last seven years.
Y. Shao   +156 more
semanticscholar   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

Application of Calixarenes as Macrocyclic Ligands for Uranium(VI): A Review

open access: yesJournal of Chemistry, 2013
Calixarenes represent a well-known family of macrocyclic molecules with broad range of potential applications in chemical, analytical, and engineering materials fields. This paper covers the use of calixarenes as complexing agents for uranium(VI).
Katarzyna Kiegiel   +2 more
doaj   +1 more source

Water on Actinide Dioxide Surfaces: A Review of Recent Progress

open access: yesApplied Sciences, 2020
The fluorite structured actinide dioxides (AnO2), especially UO2, are the most common nuclear fuel materials. A comprehensive understanding of their surface chemistry is critical because of its relevance to the safe handling, usage, and storage of ...
Gaoxue Wang   +2 more
doaj   +1 more source

Relativistic effects in quasielastic electron scattering [PDF]

open access: yes, 2001
The impact of pionic correlations and meson-exchange currents on the quasi-elastic electromagnetic response functions is studied in a fully relativistic framework.Comment: 6 pages, 5 figures, to appear in the Proceedings of "The Nuclear Many Body ...
Barbaro, Maria B.
core   +1 more source

Multiple paths of deuterium fractionation in protoplanetary disks

open access: yes, 2018
We investigate deuterium chemistry coupled with the nuclear spin-state chemistry of H$_2$ and H$_3^+$ in protoplanetary disks. Multiple paths of deuterium fractionation are found; exchange reactions with D atoms, such as HCO$^+$ + D, are effective in ...
Aikawa, Yuri   +3 more
core   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

open access: yesFEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Click chemistry: a transformative technology in nuclear medicine

open access: yesNature Protocols, 2023
David Bauer   +3 more
semanticscholar   +1 more source

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