查看更多>>摘要：We report a molecular trinuclear nickel(TNC-Ni)catalyst for water oxidation that exhibited high catalytic performance and stability under neutral conditions(pH 7).Electrochemical studies dis-closed that cooperation among the three nickel sites plays a vital role in both charge accumulation and O-O bond formation.This TNC-Ni catalyst could accomplish 4e-oxidation of water by involv-ing all three nickel sites and the O-O bond forma-tion was triggered by a charge distribution process from 5 to 5dp via proton-coupled electron transfer.
查看更多>>摘要：Although considerable progress has been achieved in treating iron-overload diseases with deferoxamine(DFO)-based biomaterials,high DFO loading and multifunctional integration in one system are still grand challenges.Herein,a series of carrier-free,high DFO-loading(～80％),uniform spherical nanoparti-cles(NPs)assisted by polyphenols have been facilely developed with both efficient iron and reactive oxy-gen species-scavenging properties.Interestingly,those DFO-based NPs have demonstrated excellent scavenging performance in iron-overloaded cell model and energetically exhibited brain cell protec-tion in vivo in intracerebral hemorrhage animal mod-els.This study could provide a promising strategy to significantly improve the curative effect of DFO de-livery systems for iron-overload diseases.
NETL
NSTL
万方数据
维普