Web13 apr. 2024 · Proton-coupled electron transfer (PCET) reactions play a vital role in a wide range of chemical and biological processes. Recent advances in the theory of PCET will be presented. The quantum mechanical effects of the active electrons and transferring proton, as well as the motions of the proton donor-acceptor mode and solvent or protein ... WebCovalent chemical bonds involve the sharing of a pair of valence electrons by two atoms, in contrast to the transfer of electrons in ionic bonds. Such bonds lead to stable molecules if they share electrons in …
Proton transfer reactions and hydrogen-bond networks in …
WebAboutTranscript. Hydrogen bonding is a special type of dipole-dipole interaction that occurs between the lone pair of a highly electronegative atom (typically N, O, or F) and the hydrogen atom in a N–H, O–H, or F–H bond. Hydrogen bonds can form between different molecules (intermolecular hydrogen bonding) or between different parts of the ... WebTunable vacuum ultraviolet (VUV) radiation coupled to mass spectrometry is applied to the study of complex chemical systems. The identification of novel reactive intermediates and radicals is revealed in flame, pulsed photolysis, and pyrolysis reactors, leading to the elucidation of spectroscopy, reaction mechanisms, and kinetics. Mass-resolved threshold … caleb heath
Synthesis, characterization and photophysical properties of a …
WebPrevious studies have suggested that members of the Geobacteraceae can use electrodes as electron acceptors for anaerobic respiration. In order to better understand this electron transfer process for energy production, Geobacter sulfurreducens was inoculated into chambers in which a graphite electrode served as the sole electron acceptor and … WebAbout. I am a Principal Investigator at Sandia National Laboratories, Livermore, California. I have extensive experience in applying ultrafast spectroscopy to study chemical dynamics on attosecond ... WebThe hydrogen bond is an interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons such as nitrogen, oxygen or fluorine. It is an electrostatic attraction between two polar groups. caleb heath erlanger neurology