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Cognitive and functional status after vein of Galen aneurysmal malformation endovascular occlusion

World Journal of Radiology 2012年第3期4卷 83-89页

作者： Jason A Ellis lauren orr Paul C McCormick Ⅱ Richard CE Anderson Neil A Feldstein Philip M Meyers Department of Neurological Surgery Columbia University Medical Center Department of Radiology Columbia University Medical Center

AIM:To study the clinical outcomes of treating vein of Galen aneurysmal malformations(VGAM),we assessed our patient cohort using standardized cognitive and functional ***:A retrospective review of patients with VGAM treated by a single practitioner between 2003 and 2009 was performed for this *** addition to routine clinical assessment,all patients were evaluated for cognitive and functional impairment using validated measures including the Neurobehavioral Rating ScaleRevised,the Bicêtre outcome score,and the Barthel ***:Five patients underwent combined transarterial and transvenous embolization of their VGAM during the study *** were classified based on angioarchitecture as either choroidal(1/5) or mural(4/5) according to the classification scheme of *** total,13 embolization procedures were performed consisting of 1 to 3 treatment stages per *** or near complete occlusion was achieved in 4 patients,while subtotal occlusion was achieved in 1 *** follow-up(median 62.6 mo),all patients were either unchanged or cognitively and neurologically ***:VGAM can be safely and effectively treated by staged transarterial and transvenous *** this strategy,excellent long-term cognitive and functional outcomes can be achieved.

关键词： Cognition Embolization Endovascular Hemorrhage Interventional neuroradiology Neurological development Outcomes Vein of Galen aneurysmal malformation

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Highly stable dioxin-linked metallophthalocyanine covalent organic frameworks

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Chinese Chemical Letters 2021年第12期32卷 3799-3802页

作者： Zepeng Lei Francisco W.S.Lucas Enrique Canales Moya Shaofeng Huang Yicheng Rong Aaron Wesche Patrick Li lauren Bodkin Yinghua Jin Adam Holewinski Wei Zhang Department of Chemistry University of Colorado BoulderBoulderCO 80309United States Renewable and Sustainable Energy Institute and Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderCO 80309United States

We report a series of highly stable metallophthalocyanine-based covalent organic frameworks(MPc-dxCOFs) linked by robust 1,4-dioxin bonds constructed through nucleophilic aromatic substitution(SNAr)reaction. The chemical structures and crystallinity of the COFs largely remain unchanged even after treating with boiling water(90°C), concentrated acids(12 mol/L HCl) or bases(12 mol/L Na OH), oxidizing(30% H_(2)O_(2)) or reducing agents(1 mol/L NaBH;) for three days due to their stable M-Pc building blocks and resilient dioxin linkers. With metallated phthalocyanine active sites regularly arranged in the stable framework structures, MPc-dx-COFs can be directly used as efficient electrocatalysts for the oxygen reduction reaction(orr) without pyrolysis treatment that has commonly been used in previous studies.

关键词： Covalent organic framework Metallophthalocyanine Nucleophilic aromatic substitution Dioxin linkage Electrocatalysis Oxygen reduction reaction

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