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Interfaces engineering of heterostructured Ni Co P/Ni Fe LDH@CC for attaining high catalytic activity in long-lasting rechargeable Zn–air batteries

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Rare Metals 2024年第10期43卷 4961-4972页

作者： Xiao-lin Hu Ji-Chuan Fan Xiang li Zhen-Kun Wu yuan-yi li Chao-He Xu School of Science Chongqing Key Laboratory of New Energy Storage Materials and DevicesChongqing University of Technology JINSHAN Science&Technology (Group) Co. Ltd. National Engineering Research Center for Magnesium Alloys Chongqing University College of Aerospace Engineering Chongqing University

Zinc-air batteries (ZABs) offer tremendous potential in various industries and daily life due to their excellent energy density,safety and ***,the practical application of ZABs has been severely hindered by challenges such as high low round-trip efficiencies and overpotential,primarily attributed to the inherent sluggish kinetics in the oxygen evolution reaction(OER) of air *** address these issues effectively and economically,heterojunction engineering accompanied by interfacial chemistry emerges as an ideal approach to designing efficient OER ***,a novel heterogeneous interfacial chemical structure,namely NiCoP/NiFe LDH (layered double hydroxide),needle-like NiCoP and NiFe LDH nanosheets were assembled from cores and shells,***,the NiCoP/NiFe LDH-based ZABs have an exceptionally long cycle life of 238 h,far superior to Pt/C+Ir/C batteries (～97 h).Theoretical calculations and experimental results demonstrate that NiCoP/NiFe LDH possesses tunable interfacial chemistry,demonstrating significant electronic,coordination,geometric and synergistic *** enhancements dramatically improve the active site density,intrinsic activity and electrochemical durability of the *** summary,this work provides a solid foundation for the development of costeffective OER electrocatalysts for electrochemical energy devices.

关键词： Coupling effects Interface catalysis Oxygen evolution reaction Theoretical simulation Zinc–air batteries

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The clinical features and potential mechanisms of cognitive disorders in peripheral autoimmune and inflammatory diseases

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Fundamental Research 2024年第2期4卷 226-236页

作者： Ke-qi Fan Tao Huang Jian-shuai Yu yi-yuan li Jin Jin MOE Laboratory of Biosystem Homeostasis and Protection and Life Sciences InstituteZhejiang UniversityHangzhou 310058China Department of Gastroenterology Sir Run Shaw HospitalCollege of Medicine Zhejiang UniversityHangzhou 310016China Key Laboratory for Developmental Genes and Human Disease Ministry of EducationInstitute of Life SciencesJiangsu Province High-Tech Key Laboratory for Bio-Medical ResearchSoutheast UniversityNanjing 210096China

According to a study from World Health Organization’s Global Burden of Disease,mental and neurological disorders have accounted for 13%of global diseases in recent years and are on the *** conditions or neuroinflammatory disorders are linked by the presence of an exaggerated immune response both peripherally and in the central nervous system(CNS).Cognitive dysfunction(CD)encompasses a complex group of diseases and has frequently been described in the field of autoimmune diseases,especially in multiple non-CNS-related autoimmune *** studies have provided various hypotheses regarding the occurrence of cognitive impairment in autoimmune diseases,including that abnormally activated immune cells can disrupt the integrity of the blood-brain barrier(BBB)to trigger a central neuroinflammatory *** the BBB is intact,autoantibodies and pro-inflammatory molecules in peripheral circulation can enter the brain to activate microglia,inducing CNS inflammation and ***,the mechanisms explaining the association between the immune system and neural function and their contribution to diseases are *** this review,we used clinical statistics to illustrate the correlation between CD and autoimmune diseases that do not directly affect the CNS,summarized the clinical features and mechanisms by which autoimmune diseases trigger cognitive impairment,and explored existing knowledge regarding the link between CD and autoimmune diseases from the perspective of the field of neuroimmunology.

关键词： Autoimmune diseases Neuroinflammation Central nervous system dysfunction Autoantibodies Inflammatory cytokines

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A double-edged sword of immuno-microenvironment in cardiac homeostasis and injury repair

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Signal Transduction and Targeted Therapy 2021年第3期6卷 779-794页

作者： Kang Sun yi-yuan li Jin Jin MOE Laboratory of Biosystem Homeostasis and Protection and Life Sciences InstituteZhejiang UniversityHangzhou 310058China Key Laboratory for Developmental Genes and Human Disease Ministry of EducationInstitute of Life SciencesJiangsu Province High-Tech Key Laboratory for Bio-Medical ResearchSoutheast UniversityNanjing 210096China Sir Run Run Shaw Hospital College of Medicine Zhejiang UniversityHangzhou 310016China

The response of immune cells in cardiac injury is divided into three continuous phases:inflammation,proliferation and *** kinetics of the inflammatory and proliferation phases directly influence the tissue *** cardiac homeostasis,cardiac tissue resident macrophages(cTMs)phagocytose bacteria and apoptotic ***,NK cells prevent the maturation and transport of inflammatory *** cardiac injury,cTMs phagocytose the dead cardiomyocytes(CMs),regulate the proliferation and angiogenesis of cardiac progenitor *** cells prevent the cardiac fibrosis,and promote vascularization and *** 1 macrophages trigger the cardioprotective responses and promote tissue fibrosis in the early ***,type 2 macrophages promote cardiac remodeling and angiogenesis in the late *** macrophages and neutrophils firstly lead to chronic inflammation by secreting proinflammatory cytokines,and then release anti-inflammatory cytokines and growth factors,which regulate cardiac *** this process,dendritic cells(DCs)mediate the regulation of monocyte and macrophage *** eosinophils and Mast cells(MCs)release some mediators which contribute to coronary vasoconstriction,leukocyte recruitment,formation of new blood vessels,scar *** adaptive immunity,effector T cells,especially Th17 cells,lead to the pathogenesis of cardiac fibrosis,including the distal fibrosis and scar *** protectors,Treg cells,inhibit reduce the inflammatory response,then directly trigger the regeneration of local progenitor cell via IL-10.B cells reduce myocardial injury by preserving cardiac function during the resolution of inflammation.

关键词： cardiac homeostasis inflammation

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Ubiquitination modification:critical regulation of IRF family stability and activity

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Science China(life Sciences) 2021年第6期64卷 957-965页

作者： Bao-qin liu Jin Jin yi-yuan li Key Laboratory for Developmental Genes and Human Disease Ministry of EducationInstitute of Life SciencesJiangsu Province High-Tech Key Laboratory for Bio-Medical ResearchSoutheast UniversityNanjing 210096China MOE Laboratory of Biosystem Homeostasis and Protection and Life Sciences InstituteZhejiang UniversityHangzhou 310058China Sir Run Run Shaw Hospital College of Medicine Zhejiang UniversityHangzhou 310016China

Interferon regulatory factors(IRFs)play pivotal and critical roles in innate and adaptive immune responses;thus,precise and stringent regulation of the stability and activation of IRFs in physiological processes is *** stability and activities of IRFs are directly or indirectly targeted by endogenous and exogenous proteins in an ubiquitin-dependent ***,few reviews have summarized how host E3 ligases/DUBs or viral proteins regulate IRF stability and ***,with recent technological developments,details about the ubiquitination of IRFs have been continuously *** knowledge of how these proteins function and interact with IRFs may facilitate a better understanding of the regulation of IRFs in immune responses or other biological processes,we summarized current studies on the direct ubiquitination of IRFs,with an emphasis on how these proteins interact with IRFs and affect their activities,which may provide exciting targets for drug development by regulating the functions of specific E3 ligases.

关键词： IRFs ubiquitination E3 ubiquitin ligase viral proteins activation degradation

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The essential functions of mitochondrial dynamics in immune cells

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Cellular & Molecular Immunology 2020年第7期17卷 712-721页

作者： Jia-Huan Xie yi-yuan li Jin Jin MOE Laboratory of Biosystem Homeostasis and Protection and life Sciences Institute Zhejiang UniversityHangzhou 310058China Key Laboratory for Developmental Genes and Human Disease Ministry of EducationInstitute of Life SciencesJiangsu Province High-Tech Key Laboratory for Biomedical ResearchSoutheast UniversityNanjing 210096China Sir Run Run Shaw Hospital College of Medicine Zhejiang UniversityHangzhou 310016China

Mitochondria are highly mobile organelles due to fission,fusion,transport,and mitophagy,and these processes are known as mitochondrial *** dynamics play an important role in energy production,cell division,cell differentiation,and cell *** the past decade,numerous studies have revealed the importance of mitochondrial metabolism in immunity,and mitochondrial dynamics are essential for immune responses mediated by various cell *** this review,we mainly discuss the role of mitochondrial dynamics in activation,differentiation,cytokine production,and the activity of related pathways in immune cells,particularly T cells,B cells,and other cells involved in the innate immune response.

关键词： Mitochondrial dynamics Metabolism T cell B cell Innate immune cell

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考虑参数随机性的压实黄土蠕变变形不确定性分析

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计算力学学报 2024年第2期41卷 226-232页

作者：胡长明汪芳芳朱武卫袁一力杨晓柳明亮西安建筑科技大学土木工程学院西安710055 陕西省建筑科学研究院有限公司西安710082

现有蠕变模型的计算值为确定值,未能考虑岩土材料和参数评估过程中的随机性。为反映岩土材料的变形随机特性,基于多次重复的一维固结蠕变试验,本文研究了分级和分别加载条件下压实黄土的蠕变特性,建立了考虑参数随机性的改进Merchant模... 详细信息

现有蠕变模型的计算值为确定值,未能考虑岩土材料和参数评估过程中的随机性。为反映岩土材料的变形随机特性,基于多次重复的一维固结蠕变试验,本文研究了分级和分别加载条件下压实黄土的蠕变特性,建立了考虑参数随机性的改进Merchant模型,提出了一种蠕变变形的不确定性预测方法,并通过延安高填方工程进行了验证。结果表明,压实黄土具有明显的衰减蠕变特性,引入非线性元件的Merchant模型能更好描述土体的应变时间关系,考虑参数随机性的模型计算值近似服从正态分布;通过不确定性预测方法可以获得蠕变变形值的概率云图,且工程实测蠕变变形值落在预测范围的95%的置信区间内,说明了考虑参数随机性的蠕变变形不确定性预测方法的有效性。

关键词：压实黄土蠕变改进Merchant模型工程预测随机性

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Preparation of Uniform Ni-B Amorphous Alloy Catalyst on CNTs and its Performance for Acetylene Selective Hydrogenation

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Chinese Chemical Letters 2006年第1期17卷 109-112页

作者： Chang yuan HU Feng yi li Rong Bin ZHANG li HUA Department of Chemistry Nanchang University Nanchang 330047

Uniform Ni-B amorphous alloys about 14 nm have been prepared on CNTs-A support,named Ni-B/CNTs-A. In comparison with the Ni-B/CNTs amorphous catalyst, Ni-B/CNTs-A showed higher nickel loading, determined by ICP and be... 详细信息

关键词： CNTs aniline Ni-B amorphous alloy catalyst acetylene selective hydrogenation.

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Chiral thermally activated delayed fluorescence materials for circularly polarized organic light-emitting diodes

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Science China Chemistry 2024年第4期67卷 1097-1116页

作者： li yuan yi-Pin Zhang You-Xuan Zheng State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced MicrostructuresJiangsu Key Laboratory of Advanced Organic MaterialsSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023China

Chirality is an important natural characteristic of organic molecules,and chiral organic molecules have shown extensive application in areas such as pharmaceutical development and material *** from the ability to achieve circularly polarized luminescence(CPL),chiral luminescent materials have shown potential applications in anti-glare display,optical communication and,3D display,*** to the ability to harvest both singlet and triplet excitons by a fast reverse intersystem crossing process without involving noble metals,chiral thermally activated delayed fluorescence(TADF)materials with point chirality,axial chirality,planar chirality and helical chirality are regarded as the state-of-the-art materials for circularly polarized organic light-emitting diodes(CP-OLEDs).In recent years,the chiral TADF materials and CP-OLEDs have rapidly developed,but unfortunately,the dissymmetry factors(g)are far from the requirement of practical *** ideal emitters and devices should have both high efficiency and a g factor,or at least a balance between these two *** review gives an overview of recent progress in chiral TADF materials,with a particular focus on the chiral skeleton,CPL property and device ***,the molecular design concept,device structure and methods to improve the g factors of chiral materials and CP-OLEDs are also discussed.

关键词： chiral thermally activated delayed fluorescence material chiral skeleton circularly polarized luminescence circularly polarized organic light-emitting diodes dissymmetry factor

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Assessing clogging potential and optimizing driving parameter of slurry shield tunneling in clay stratum assisted with CFD-DEM modeling

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Underground Space 2024年第1期14卷 197-218页

作者： yi Yang Xing-gao li Han-yuan li yi-dong Guo ying-ran Fang Key Laboratory of Urban Underground Engineering of the Education Ministry Beijing Jiaotong UniversityBeijing 100044China School of Civil Engineering Beijing Jiaotong UniversityBeijing 100044China

This paper proposed a two-way coupled computational fluid dynamics(CFD)and discrete element method(DEM)approach to analyze the evolution of clogging in slurry shield tunneling *** interactions between clay particles and slurry were considered by exchanging three interaction forces,including buoyancy force,pressure gradient force,and drag *** CFD-DEM coupling approach was first benchmarked by comparing cutterhead torque and total thrust with field monitored data of a practical slurry shield tunnel *** evolution process of the particle phase and the fluid phase over time was *** results indicated that fewer than 70%of the particles can be washed away in time by the circulating *** 9%of the particles adhered to the submerged wall,resulting in increased cutterhead torque and *** parametric analysis,the influence of the shield driving parameters on the clay clogging behavior is further *** time history of cutterhead torque or thrust can be used as a criterion for judging whether clogging has ***,a new assessment method of clogging risk and an optimization strategy of driving parameters were proposed,which were intended to provide some guidance for similar projects.

关键词： Slurry shield Clogging Driving parameter optimization Assessment method CFD-DEM

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Mathematical Model,Numerical Simulation and Convergence Analysis of a Semiconductor Device Problem with Heat and Magnetic Influences

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Acta Mathematicae Applicatae Sinica 2024年第2期40卷 302-319页

作者： Chang-feng li yi-rang yuan Huai-ling SONG School of Economics Shandong UniversityJinan 250100China Institute of Mathematics Shandong UniversityJinan 250100China College of Mathematics and Econometrics Hunan UniversityChangsha 410082China

In this paper,the authors discuss a three-dimensional problem of the semiconductor device type involved its mathematical description,numerical simulation and theoretical *** important factors,heat and magnetic influences are *** mathematical model is formulated by four nonlinear partial differential equations(PDEs),determining four major physical *** influences of magnetic fields are supposed to be weak,and the strength is parallel to the *** elliptic equation is treated by a block-centered method,and the law of conservation is *** computational accuracy is improved one *** equations are convection-dominated,thus are approximated by upwind block-centered *** difference can eliminate numerical dispersion and nonphysical *** diffusion is approximated by the block-centered difference,while the convection term is treated by upwind ***,the unknowns and adjoint functions are computed at the same *** characters play important roles in numerical computations of conductor device *** the theories of priori analysis such as energy estimates,the principle of duality and mathematical inductions,an optimal estimates result is *** a composite numerical method is shown for solving this problem.

关键词： three-dimensional conductor device problem with heat and magnetic influences upwind blockcentered differences elemental conservation of mass numerical analysis

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