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Selective CO_(2)Electroreduction to Multi-Carbon Products on Organic-Functionalized CuO Nanoparticles by Local Micro-Environment Modulation

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Nano-Micro Letters 2024年第12期16卷 120-132页

作者： shan ren Xi Cao Qikui Fan Zhimao Yang Fei Wang Xin Wang Licheng Bai Jian Yang Materials Interfaces Center Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongPeople’s Republic of China Key Laboratory of Functional Molecular Solids Ministry of EducationCollege of Chemistry and Materials ScienceAnhui Normal UniversityWuhu 241002AnhuiPeople’s Republic of China School of Physics Xi’an Jiaotong UniversityXi’an 710049ShaanxiPeople’s Republic of China College of Materials Science and Engineering Shenzhen UniversityShenzhen 518071GuangdongPeople’s Republic of China

Surface functionalization of Cu-based catalysts has demonstrated promising potential for enhancing the electrochemical CO_(2)reduction reaction(CO_(2)RR)toward multi-carbon(C2+)products,primarily by suppressing the parasitic hydrogen evolution reaction and facilitating a localized CO_(2)/CO concentration at the *** upon this approach,we developed surface-functionalized catalysts with exceptional activity and selectivity for electrocatalytic CO_(2)RR to C_(2+)in a neutral *** CuO nanoparticles coated with hexaethynylbenzene organic molecules(HEB-CuO NPs),a remarkable C_(2+)Faradaic efficiency of nearly 90%was achieved at an unprecedented current density of 300 mA cm^(-2),and a high FE(>80%)was maintained at a wide range of current densities(100-600 mA cm^(-2))in neutral environments using a flow ***,in a membrane electrode assembly(MEA)electrolyzer,86.14%FEC2+was achieved at a partial current density of 387.6 mA cm^(-2)while maintaining continuous operation for over 50 h at a current density of 200 mA cm^(-2).In-situ spectroscopy studies and molecular dynamics simulations reveal that reducing the coverage of coordinated K⋅H2O water increased the probability of intermediate reactants(CO)interacting with the surface,thereby promoting efficient C-C coupling and enhancing the yield of C_(2+)*** advancement offers significant potential for optimizing local micro-environments for sustainable and highly efficient C_(2+)production.

关键词： CO_(2)electroreduction to C_(2+) Neutral electrolyte Organic-functionalized CuO nanoparticles Local micro-environment

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Improvement of multi-functional properties by fabricating micro-pillar arrays structures on zirconium alloy surface

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Science China(Technological Sciences) 2022年第6期65卷 1243-1252页

作者： WANG XiaoLiang WANG HaoYu LIU YongDa QI Min ren QuanYao XU Jie shan DeBin GUO Bin Key Laboratory of Micro-systems and Micro-structures Manufacturing of Ministry of Education Harbin Institute of TechnologyHarbin 150080China School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China Science and Technology on Reactor System Design Technology Laboratory Chengdu 610041China

Although using the microstructure of a surface to enhance specific functions has immense applicability in numerous fields,few studies have been conducted on the multi-functional properties of nuclear fuel elements in harsh *** this study,surfaces with zirconium alloy micro-pillar arrays were prepared using micro-milling and ultraviolet nanosecond laser technology,and their functional properties such as the wettability,structural stability,and corrosion resistance were *** was found that the geometric dimension of the micro-pillar arrays prepared using these two methods could meet the design requirements,but the micro-milling process had the best dimensional ***-nano multi-scale structures were obtained by laser ***,these multi-scale structures exhibited weak structural stability,and the nanostructures were easily *** contrast,the micro-pillar arrays manufactured using micro-milling were confirmed to have better structural stability and corrosion *** one hand,the area mass loss of the micro-milled structure was lower than that of a flat surface after experiencing high-pressure fluid scouring at 8 and 38 m/*** the other hand,the oxidation weight gain of the surface with the micro-milled structure was lower than that of a flat surface,and the oxide film was 22.5% thinner after 100 days of deionized water corrosion at 360℃ and 18.7 MPa.

关键词： zirconium alloy micro-pillar arrays wettability structural stability corrosion

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Antifogging and antibacterial properties of amphiphilic coatings based on zwitterionic copolymers

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Science China(Technological Sciences) 2021年第4期64卷 817-826页

作者： ZHAO ChiXu YUAN XiaoYan BAI shan SUN PingChuan ZHAO YunHui ZHU KongYing ren LiXia LI XiaoHui School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin 300350China Key Laboratory of Functional Polymer Materials of the Ministry of Education and College of Chemistry Nankai UniversityTianjin 300071China Analysis and Measurement Center Tianjin UniversityTianjin 300072China

Tackling fogging and microbial infection problems related to the endoscope lens remain challenges due to visual disturbances and bacterial threats to human ***,highly transparent antifogging and antibacterial coatings were developed in a facile way by thermal curing of zwitterionic copolymers poly(n-butyl methacrylate-co-2-aminoethyl methacrylate-co-sulfobetaine methacrylate)s with 1,3,*** of surface chemical composition and wettability suggested that the copolymer coatings exhibited amphiphilicity with a hydrophobic surface and internal *** prepared amphiphilic coating exhibited excellent antifogging properties both in vivo and in *** introduction of hydrophobic n-butyl methacrylate and cationic aminoethylmethacrylate could improve the stability and antibacterial capability of the *** growth inhibition rates of the coatings against Staphylococcus aureus and Escherichia coli were up to 99%and the copolymer coatings with the zwitterionic groups had low hemolytic rates less than 3%.The amphiphilic copolymer coatings combined antifogging and antibacterial properties may have a promising potential for applications in biomedical devices.

关键词： zwitterionic copolymer amphiphilic coating antifogging antibacterial property hemolysis

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Global Rainstorm Disaster Risk Monitoring Based on Satellite Remote Sensing

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Journal of Meteorological Research 2022年第1期36卷 193-207页

作者： Suling ren Xiuzhen HAN Jun YANG Shihao TANG Yang ZHANG Tianchan shan Cheng LIU National Satellite Meteorological Center China Meteorological AdministrationBeijing 100081 Heavy Rain and Drought-Flood Disasters in Plateau and Basin Key Laboratory of Sichuan Province Chengdu 610072

Methods of rainstorm disaster risk monitoring(RDRM)based on retrieved satellite rainfall data are *** to significant regional differences,the global rainstorm disasters are not only affected by geography(such as topography and surface properties),but also by climate *** is necessary to study rainstorm disaster-causing factors,hazard-formative environments,and hazard-affected incidents based on the climate distribution of precipitation and rainstorms *** to a global flood disaster dataset for the last 20 years,the top four flood disaster causes(accounting for 96.8%in total)related to rainstorms,from most to least influential,are heavy rain(accounting for 61.6%),brief torrential rain(16.7%),monsoonal rain(9.4%),and tropical cyclone/storm rain(9.1%).A dynamic global rainstorm disaster threshold is identified by using global climate data based on 3319 rainstorm-induced floods and rainfall data retrieved by satellites in the last 20 *** the 7-day accumulated rainfall,3-and 12-h maximum rainfall,24-h rainfall,rainstorm threshold,and others as the main parameters,a rainstorm intensity index is *** and global mapping of hazard-formative environmental factor and hazard-affected body factor of rainstorm disasters are performed based on terrain and river data,population data,and economic ***,a satellite remote sensing RDRM model is developed,incorporating the above three factors(rainstorm intensity index,hazard-formative environment factor,and hazard-affected body factor).The results show that the model can well capture the rainstorm disasters that happened in the middle and lower reaches of the Yangtze River in China and in South Asia in 2020.

关键词： satellite-retrieved precipitation flood rainstorm disaster risk monitoring rainstorm disaster risk index

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Inverse design of mechanical metamaterial achieving a prescribedconstitutive curve

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Theoretical & Applied Mechanics Letters 2024年第1期14卷 16-22页

作者： Zongliang Du Tanghuai Bian Xiaoqiang ren Yibo Jia shan Tang Tianchen Cui Xu Guo State Key Laboratory of Structural Analysis Optimization and CAE Software for Industrial EquipmentDepartment of Engineering MechanicsDalian University of TechnologyDalian 116023China Ningbo Institute of Dalian University of Technology Ningbo 315016China

Besides exhibiting excellent capabilities such as energy absorption,phase-transforming metamaterials offer a vast design space for achieving nonlinear constitutive *** is facilitated by switching between different patterns under ***,the related inverse design problem is quite challenging,due to the lack of appropriate mathematical formulation and the convergence issue in the post-buckling analysis of intermediate *** this work,periodic unit cells are explicitly described by the moving morphable voids method and effectively analyzed by eliminating the degrees of freedom in void ***,by exploring the Pareto frontiers between error and cost,an inverse design formulation is proposed for unit *** formulation aims to achieve a prescribed constitutive curve and is validated through numerical examples and experimental *** design approach presented here can be extended to the inverse design of other types of mechanical metamaterials with prescribed nonlinear effective properties.

关键词： Metamaterial Pattern-transformation Constitutive curve Inverse design

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Oncogenic MORC2 in cancer development and beyond

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genes & Diseases 2024年第2期11卷 861-873页

作者： shan Zhang Ayao Guo Huan Wang Jia Liu Chenshuang Dong Junyi ren Guiling Wang Key Laboratory of Cell Biology Department of Cell BiologyMinistry of Public Health and Key Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangLiaoning 110122China Department of Breast Surgery The First Affiliated Hospital of China Medical UniversityShenyangLiaoning 110001China

Microrchidia CW-type zinc finger 2(MORC2)is a member of the MORC superfamily of nuclear *** evidence has shown that MORC2 not only participates in gene transcription and chromatin remodeling but also plays a key in human disease and tumor development by regulating the expression of downstream oncogenes or tumor *** present review provides an updated overview of MORC2 in the aspect of cancer hallmark and therapeutic resistance and summarizes its upstream regulators and downstream target *** systematic review may provide a favorable theoretical basis for emerging players of MORC2 in tumor development and new insight into the potential clinical application of basic science discoveries in the future.

关键词： Cancer development Hallmarks of cancer MORC2 Therapeutic target Treatment resistance

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Chemosensory and behavior of *** is regulated by a noncoding RNA

Chemosensory and behavior of *** is regulated by a noncoding...

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中国生物化学与分子生物学会第十届会员代表大会暨全国学术...

作者： Jinjing Wu Jing ren ge shan Huazhong University of Science and Technology

It has been known that food as one environmental factor can affect the expression of genes in animal cells,although we still lack examples of this kind of effect in which the detailed molecular mechanism is well ***,we found that the expression of a *** gene,che-2,is down regulated by oxidative stressed *** demonstrated that this down regulation is mediated by an *** noncoding RNA,OxyS *** stress induces the expression of OxyS in ***,which through a mechanism of feeding RNA interference,suppresses the expression of che-2 in ***

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A new deep-reading look-ahead method in electromagnetic loggingwhile-drilling using the scattered electric field from magnetic dipole antennas

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Petroleum Science 2022年第1期19卷 180-188页

作者： Lei Wang Shao-Gui Deng Guan-Bao Xie shan-Jun Li Zhen-Guan Wu Yi-ren Fan School of geosciences China University of Petroleum(East China)QingdaoShandong 266580China Laboratory for Marine Mineral Resources Qingdao National Laboratory for Marine Science and TechnologyQingdaoShandong 266071China State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development Beijing100083China Beyond Bits Technoogy Inc.Houston78741USA

This paper presents a new deep-reading logging-while-drilling electromagnetic(EM)logging method to detect bed boundaries ahead of *** all existing EM logging approaches,the new method is based on the scattered electric field radiated by a magnetic dipole *** analyzing the characteristics of electric tensor responses in layered formations,optimal look-ahead electric component is *** selected scattered field contributes to a large portion of the total field and is strongly sensitive to the boundary *** measured voltage from the scattered electric component can be tens of times larger than that from the scattered magnetic fields and it attenuates ***,the detection capability improves significantly.A coaxial open-loop half-circle antenna is then proposed to measure the electric field in logging while drilling environment.A practical tool implementation equipped with two tilted close-loop antennas and two open-loop antennas is further developed for look-ahead *** results demonstrate that the detection depth of the new look-ahead tool can be up to 40 m under favorable *** with current look-ahead logging tools,the new method not only significantly shortens the tool size,but also can recognize the boundary position and azimuth.

关键词： Electromagnetic logging-while-drilling look-ahead Deep reading Scattered electric field Short spacing

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Chemosensory and behavior of *** is regulated by a noncoding RNA

Chemosensory and behavior of *** is regulated by a noncoding...

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中国生物化学与分子生物学会第十届会员代表大会暨全国学术会议

作者： Jinjing Wu Jing ren ge shan HuazhongUniversityofScienceandTechnology

It has been known that food as one environmental factor can affect the expression of genes in animal cells,although we still lack examples of this kind of effect in which the detailed molecular mec

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Low-Carbon and Nanosheathed ZnCo_(2)O_(4) Spheroids with Porous Architecture for Boosted Lithium Storage Properties

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Research 2019年第1期2019卷 641-651页

作者： Yudi Mo Junchen Liu Shuanjin Wang Min Xiao shan ren Dongmei Han Yuezhong Meng Te Key Laboratory of Low-Carbon Chemistry&Energy Conservation of Guangdong Province State Key Laboratory of Optoelectronic Materials and TechnologiesSun Yat-sen UniversityGuangzhou 510275China School of Chemical Engineering and Technology Sun Yat-sen UniversityGuangzhou 510275China

Multielectronic reaction electrode materials for high energy density lithium-ion batteries(LIBs)are severely hindered by their inherent sluggish kinetics and large volume variations,leading to rapid capacity ***,a simple method is developed to construct low-carbon and nanosheathed ZnCo_(2)O_(4) porous spheroids(ZCO@C-5).In this micro/nanostructure,an ultrathin amorphous carbon layer(∼2 nm in thickness)is distributed all over the primary nanosized ZCO particles(∼20 nm in diameter),which fnally self-assembles into porous core(ZCO)-shell(carbon)micron *** nanoencapsulation and macro/mesoporous architecture can not only provide facile electrolyte penetration and rapid ion/electron transfer but also better alleviate volumetric expansion efect to avoid pulverization of ZCO@C-5 spheroids during repeat charge/discharge *** expected,the three-dimensional porous ZCO@C-5 composites exhibit high reversible capacity of 1240 mAh g^(−1) cycle at 500 mA g^(−1),as well as excellent long-term cycling stability and rate *** low-carbon and nanoencapsulation strategy in this study is simple and efective,exhibiting great potential for high-performance LIBs.

关键词： composites porous Porous

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