Long-range electron transfer
WebElectrochemical scanning tunneling microscopy was used to assess the distance dependence of electron transfer facilitated by a bacterial multiheme cytochrome to a … WebThe different regions can be understood first in terms of reduction of interfacial water and ion layers in the electrical double layer associated with the hematite surface, followed by electron tunneling through bulk water.
Long-range electron transfer
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Web14 de abr. de 2024 · The electron attachment and dissociative electron attachment to gas phase octafluorocyclobutane (c-C4F8) and to its clusters have been measured. The majority of the gas phase products were already reported earlier and have been successfully confirmed in this work. In addition, two new fragments c-C4F7− and C2F5− have been … Web8 de out. de 2004 · Long-range electron transfer rate constants for complexes of the type [(bpy)2RuIIL−Pron−apyRuIII)(NH3)5]5++ proline residues (n) varying from 0 to 9 were …
Web12 de nov. de 1993 · Rapid photoinduced electron transfer is demonstrated over a distance of greater than 40 angstroms between metallointercalators that are tethered to the 5′ termini of a 15-base pair DNA duplex. Web8 de fev. de 2013 · Using spin-trapping experiments, a transient radical on the surface-exposed Tyr-337 was identified as the oxidation site for bulky substrates. A possible long-range electron transfer pathway from the surface of the enzyme to the redox cofactor (heme) is discussed. Publication types Research Support, Non-U.S. Gov't MeSH terms
Web30 de jan. de 2024 · The radical tandem Knoevenagel-Michael cyclocondensation reaction of barbituric acid/1,3-dimethylbarbituric acid, malononitrile, and aryl aldehydes was used to establish a green tandem method for the metal-free synthesis of pyrano[2,3-d]pyrimidine scaffolds.At ambient temperature, photo-excited state functions made from methylene … WebOver the past few years there has been an active program in their laboratories on long-range intramolecular electron transfer and its dependence on energetics, solvent, distance, and stereochemistry. More recently the authors have extended this study to include positive ions, or hole transfer, and triplet energy transfer.
Web9 de mai. de 2024 · Long-range proton-coupled electron transfer in the Escherichia coli class Ia ribonucleotide reductase Essays Biochem . 2024 May ... Thus, precise design …
WebCombining a computational analysis with site-directed mutagenesis, we have studied the long-range electron transfer pathway in versatile and lignin peroxidases, two enzymes … feswgrWeb10 de ago. de 2024 · The ZnP and FeP are nearly parallel, as in the cytochrome b 5-cytochrome c model complex. Long-range electron transfer (3 ZnP* → Fe 3+ f (see … delmont veterinary hospitalWebAbstract. Kinetic experiments have conclusively shown that electron transfer can take place over large distances (greater than 10 angstroms) through protein interiors. Current … del monte sweet pickle relish buyWebIntramolecular long-range electron transfer from phenothiazine to photoexcited iridium(III) in the dyads is slow due to the occurrence of a Coulomb barrier. Consequently, an electron-transfer photoproduct is only observable in the transient absorption spectrum of a donor–bridge–acceptor molecule with a fluorinated photosensitizer that exhibits a very … fes wetter maiWeb27 de out. de 2011 · Two competing mechanisms are relevant for long-range electron transfer (ET) in biomolecules: direct electron tunneling between donor (D) and acceptor … del mor nursery lodi wiWeb4 de set. de 2012 · The results obtained here describe a new mechanism for long-range sensitization of electron transfer. It is different from sensitized electron transfer in photosystems I and II where an extensive array of coupled light absorbers collect and funnel excitation energy to low-energy chlorophyll light absorbers in the antenna apparatus. fe swh08Web21 de dez. de 2015 · The discovery of a long-range electron transfer mechanism links the biodegradation of cellulose and lignin and sheds new light on how oxidative enzymes … feswi