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Successful management of an intra-operative pulmonary tumor embolism during resection of a retroperitoneal leiomyosarcoma

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Chinese Medical Journal 2013年第5期126卷 980-981页

作者： ZHU Sheng-mei GUO Shao-hui LI Li-juan LUO Li-hui yao Yong-xing Department of Anesthesiology First Affiliated Hospital ZhejiangUniversity School of Medicine Hangzhou Zhejiang 310003China

Pulmonary tumor embolisms due to renal cell carcinoma are common. In contrast, intra-operative puhnonary artery embolisms due to the release of large tumor fragments during surgery for retroperitoneal leiomyosarcoma have not been reported. When a massive tumor embolus does occur, a patient＇s survival depends on prompt surgical intervention.2 In this report, a patient experienced a pulmonary tumor embolism during resection of a retroperitoneal leiomyosarcoma, and the condition was successfully treated. However, for the hemodynamic collapse that occurred, a puhnonary arteriography was followed by an emergency puhnonary embolectomy with cardiopulmonary bypass.

关键词： puhnonary tumori embolismi retroperitoneal leiomyosarcoma

Boosting Oxygen Evolution Reaction Performance on NiFe‑Based Catalysts Through d‑Orbital Hybridization

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Nano-Micro Letters 2025年第1期17卷 281-292页

作者： xing Wang Wei Pi Sheng Hu Haifeng Bao Na yao Wei Luo State Key Laboratory of New Textile Materials and Advanced Processing Technology Key Laboratory of New Textile Materials and Applications of Hubei ProvinceSchool of Materials Science and EngineeringWuhan Textile UniversityWuhan 430200People’s Republic of China College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072People’s Republic of China

Anion-exchange membrane water electrolyzers(AEMWEs)for green hydrogen production have received intensive attention due to their feasibility of using earth-abundant NiFe-based *** introducing a third metal into NiFe-based catalysts to construct asymmetrical M-NiFe units,the d-orbital and electronic structures can be adjusted,which is an important strategy to achieve sufficient oxygen evolution reaction(OER)performance in ***,the ternary NiFeM(M:La,Mo)catalysts featured with distinct M-NiFe units and varying d-orbitals are reported in this *** and theoretical calculation results reveal that the doping of La leads to optimized hybridization between d orbital in NiFeM and 2p in oxygen,resulting in enhanced adsorption strength of oxygen intermediates,and reduced rate-determining step energy barrier,which is responsible for the enhanced OER *** critically,the obtained NiFeLa catalyst only requires 1.58 V to reach 1 A cm^(−2) in an anion exchange membrane electrolyzer and demonstrates excellent long-term stability of up to 600 h.

关键词： NiFe-based catalysts d-orbital coupling Oxygen evolution reaction Anion exchange membrane electrolyzer

Enantioselective reductive conjugate alkenylation of α,β-enones with keto alkenyl acetates by nickel catalysis

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Science China Chemistry 2025年第1期68卷 157-162页

作者： Rong-De He Yun-Lei Luo Qiu-Quan Pan Qi-Wei yao xing-Zhong Shu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical Engineering Lanzhou University

Reactions involving alkenyl acetates offer cost-effective and environmentally friendly routes for alkene synthesis, yet their asymmetric variant remains elusive. Concurrently, asymmetric conjugate alkenylation predominantly centered on nucleophilic addition using alkenyl–M. This manuscript presents an asymmetric reductive conjugate alkenylation reaction involving alkenyl acetates. The method facilitates the enantioselective addition of keto alkenyl groups to α,β-enones, resulting in the formation of unsaturated diketones—a class of useful structural motifs that are challenging to access otherwise. The use of electron-rich Pyroxy ligand is essential for achieving both high reaction efficiency and enantioselectivity.

关键词： nickel alkenylation asymmetric cross-coupling alkenes

基于主曲率增强距离变换的形状相似性度量方法

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红外与毫米波学报 2018年第1期37卷 72-79,86页

作者：王峰尤红建仇晓兰姚星辉中国科学院电子学研究所北京100190 中国科学院空间信息处理与应用系统技术重点实验室北京100190 中国科学院大学北京100049

针对常规形状相似性度量方法在噪声干扰、部分信息遮挡和缺失情况下鲁棒性和准确性不足的问题,提出了一种基于主曲率增强距离变换的形状相似性度量方法.通过距离变换扩展形状轮廓的作用范围,提升相似性度量结果的鲁棒性;基于主曲率增强... 详细信息

针对常规形状相似性度量方法在噪声干扰、部分信息遮挡和缺失情况下鲁棒性和准确性不足的问题,提出了一种基于主曲率增强距离变换的形状相似性度量方法.通过距离变换扩展形状轮廓的作用范围,提升相似性度量结果的鲁棒性;基于主曲率增强距离图,提升信息量丰富轮廓在变换图中的响应,提升度量结果的准确性.仿真对比实验验证了方法在噪声干扰以及部分轮廓遮挡或缺失情况下的鲁棒性和准确性,道路矢量与GPS信号和光学遥感图像的应用试验表明方法在实际应用中的有效性.与传统的形状相似性度量方法相比,基于主曲率增强距离变换的方法适用于非刚性目标形状相似性度量,而且鲁棒性和准确度较高.

关键词：形状相似性匹配距离变换主曲率

Small extracellular vesicles derived from human induced pluripotent stem cell-differentiated neural progenitor cells mitigate retinal ganglion cell degeneration in a mouse model of optic nerve injury

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Neural Regeneration Research 2025年第2期20卷 587-597页

作者： Tong Li hui-Min xing Hai-Dong Qian Qiao Gao Sheng-Lan Xu Hua Ma Zai-Long Chi State Key Laboratory of Ophthalmology Optometry and Visual ScienceEye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina National Clinical Research Center for Ocular Diseases Eye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina

Several studies have found that transplantation of neural progenitor cells(NPCs)promotes the survival of injured ***,a poor integration rate and high risk of tumorigenicity after cell transplantation limits their clinical *** extracellular vesicles(sEVs)contain bioactive molecules for neuronal protection and *** studies have shown that stem/progenitor cell-derived sEVs can promote neuronal survival and recovery of neurological function in neurodegenerative eye diseases and other eye *** this study,we intravitreally transplanted sEVs derived from human induced pluripotent stem cells(hiPSCs)and hiPSCs-differentiated NPCs(hiPSC-NPC)in a mouse model of optic nerve *** results show that these intravitreally injected sEVs were ingested by retinal cells,especially those localized in the ganglion cell *** with hiPSC-NPC-derived sEVs mitigated optic nerve crush-induced retinal ganglion cell degeneration,and regulated the retinal microenvironment by inhibiting excessive activation of *** analysis further revealed that hiPSC-NPC derived sEVs transported neuroprotective and anti-inflammatory miRNA cargos to target cells,which had protective effects on RGCs after optic nerve *** findings suggest that sEVs derived from hiPSC-NPC are a promising cell-free therapeutic strategy for optic neuropathy.

关键词： exosome miRNA neural progenitor cell neurodegeneration neuroinflammation neuroprotection optic nerve crush optic neuropathy retinal ganglion cell small extracellular vesicles

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数控仿真教学的重要性

南昌教育学院学报 2011年第9期26卷 93-93,95页

作者：姚兴辉王翔兰州城市学院甘肃兰州730070

数控技术发展迅速,这就需要大量高素质的应用型人才,当今数控加工仿真系统软件、加工教学、数控编程以及数控机床实训当中出现了很多问题,比如容易出现事故,机床费用高,而且损耗严重;因此,数控加工仿真系统的产生有必然性。本文论述了... 详细信息

数控技术发展迅速,这就需要大量高素质的应用型人才,当今数控加工仿真系统软件、加工教学、数控编程以及数控机床实训当中出现了很多问题,比如容易出现事故,机床费用高,而且损耗严重;因此,数控加工仿真系统的产生有必然性。本文论述了数控加工仿真系统的作用以及在教学过程当中如何有效的使用数控加工仿真系统软件。数控仿真系统体现出了一种新的现代教育理念和教学模式,有利于提高数控专业的教学水平。

关键词：数控机床仿真系统软件重要性教学水平

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数控机床和PC机的数据通信

机械研究与应用 2006年第2期19卷 116-116,122页

作者：杨光姚兴辉兰州师范高等专科学校甘肃兰州730070

数控机床和计算机的数据通信已成为数控加工中的重要组成部分,介绍通信电缆的连接、传输软件通信协议的设定、数控机床参数的设定。

关键词：数控系统数据协议通信

An Efficient Boron Source Activation Strategy for the Low‑Temperature Synthesis of Boron Nitride Nanotubes

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Nano-Micro Letters 2025年第1期17卷 548-558页

作者： Ying Wang Kai Zhang Liping Ding Liyun Wu Songfeng E Qian He Nanyang Wang hui Zuo Zhengyang Zhou Feng Ding Yue Hu Jin Zhang Yagang yao National Laboratory of Solid State Microstructures College of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional Materialsand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093People’s Republic of China School of Electronic Information and Artificial Intelligence Shaanxi University of Science&TechnologyXian 710000People’s Republic of China College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXian 710000People’s Republic of China Key Laboratory of Carbon Materials of Zhejiang Province College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325000People’s Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen 518000People’s Republic of China College of Chemical and Molecular Engineering Peking UniversityBeijing 100871People’s Republic of China

Lowering the synthesis temperature of boron nitride nanotubes(BNNTs)is crucial for their *** primary reason for adopting a high temperature is to enable the effective activation of highmelting-point solid *** this study,we developed a novel approach for efficiently activating boron by introducing alkali metal compounds into the conventional MgO–B *** approach can be adopted to form various low-melting-point AM–Mg–B–O growth *** growth systems have improved catalytic capability and reactivity even under low-temperature conditions,facilitating the synthesis of BNNTs at temperatures as low as 850℃.In addition,molecular dynamics simulations based on density functional theory theoretically demonstrate that the systems maintain a liquid state at low temperatures and interact with N atoms to form BN *** findings offer novel insights into the design of boron activation and are expected to facilitate research on the low-temperature synthesis of BNNTs.

关键词： Boron nitride nanotubes Low-temperature Boron activation Density functional theory

Facile synthesis of the dodecahydridododecaborate (B12H122-) from borane Lewis base adducts

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Science China Chemistry 2025年

作者： Yi Jing Xin-Ran Liu xing-Hua Wang hui Han Sha-Sha Liang Xi-Meng Chen Dong-hui Wei Lai-Sheng Wang Xue-Nian Chen College of Chemistry Zhengzhou University School of Chemistry and Chemical Engineering Henan Key Laboratory of Boron Chemistry and Advanced MaterialsHenan Normal University Department of Chemistry Brown University

Polyhedral boranes are a class of well-known boron molecular clusters widely used in energy,chemistry,medicine,and materials science because of their unique physical and chemical *** efforts have been made in the past decades to find more effective synthetic methods for this important class of boron ***,existing synthetic methods suffer from low efficiency and low ***,we report a facile one-pot synthesis of[（CH3）3S]2B12H12with moderate yields at mild *** mechanisms for the multi-step chemoselective synthesis of B12H122-without other by-products are elucidated based on theoretical results and our previous *** Lewis base used in B–H bond condensation reaction,which acts as a hydrogen or to balance the newly generated polyhedral borane charges,is proposed and studied in *** current study has led to a more effective and selective synthetic method for B12H122-and has also implicated the syntheses of other new polyhedral boranes.

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