Gif University: Repository / 岐阜薬大学術リポジトリ
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Electrochemical and Mechanistic Study of Superoxide Scavenging by Pyrogallol in N,N-Dimethylformamide through Proton-Coupled Electron Transfer
Get PDFScavenging of electrogenerated superoxide radical anion (O2•−) by pyrogallol (PyH3) was investigated on the basis of cyclic voltammetry and in situ electrolytic electron spin resonance spectrum in N,N-dimethylformamide with the aid of density functional theory (DFT) calculations. Quasi-reversible dioxygen/O2•− redox couple was modified by the presence of PyH3, suggesting that O2•− was scavenged by PyH3 through proton-coupled electron transfer (PCET) involving two proton transfer and one electron transfer. DFT calculation suggested that the pre-reactive formation of a hydrogen-bond (HB) complex and the subsequent concerted two-proton-coupled electron transfer characterized by catechol moiety in PyH3 is plausible mechanism that embodies the superior kinetics of the O2•− scavenging by PyH3 as shown in the electrochemical results. Furthermore, it was clarified that the three hydroxyl groups of PyH3 promote the formation of HB complex, in comparative analyses using related compounds, resulting in the promotion of the O2•− scavenging.articl
Erk5 in bone marrow mesenchymal stem cells regulates bone homeostasis by preventing osteogenesis in adulthood
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Retinal pigment epithelium-specific CLIC4 mutant is a mouse model of dry age-related macular degeneration
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Effect of years of Pharmacist Experience on "Prevent and avoid the adverse drug events (PreAVOID)" reporting related brought-in drugs
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Correlations Between the Scores on the Two Versions of the Minimal English Test (MET) and the Scores on the English Section of the Common Test for University Admissions 2021 Provided by the National Center for University Entrance Examinations
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Dab1-deficient deep layer neurons prevent Dab1-deficient superficial layer neurons from entering the cortical plate
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Erratic and blood vessel-guided migration of astrocyte progenitors in the cerebral cortex
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