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Nano Research 2024年第5期17卷 3724-3732页

作者： Bowen Wang Nan Zhang Ping Xiao Jian Zhang sónia a.c.c.rabineiro Junjiang Zhu Hubei Key Laboratory of Biomass Fibers and Eco-dyeing&Finishing College of Chemistry and Chemical EngineeringWuhan Textile UniversityWuhan 430200China college of chemistry and Materials Engineering Wenzhou UniversityWenzhou 325035China LAQV-REQUIMTE Department of ChemistryNOVA School of Science and TechnologyUniversidade NOVA de LisboaLargo da Torre2829-516 CaparicaPortugal

catalytic transfer hydrogenation(cTH)is a green and efficient pathway for selective hydrogenation of unsaturated aldehydes and ***,managing the abilities of solid catalysts to adsorb substrates and to convert them into desired products is a challenging ***,we report the synthesis of carbon coated LaFe_(0.92)Pd_(0.08)O_(3) composites(LFPO-8@c)for cTH of benzaldehyde(BzH)into benzyl alcohol(BzOH),using isopropanol(IPA)as hydrogen *** coating with carbon improves the ability to adsorb/transfer reactants from solution to active sites,and the doping of Pd2+at Fe3+site strengthens the ability of LaFeO_(3) to convert BzH into BzOH.A balanced point between them(i.e.,abilities to adsorb BzH and to convert BzH into BzOH)is obtained at LFPO-8@c,which exhibits a BzOH formation rate of 3.88 mmol·gcat^(-1)·h^(-1) at 180℃ for 3 h,which is 1.50 and 2.72 times faster than those of LFPO-8 and LaFeO_(3)@c.A reaction mechanism is proposed,in which the acidic sites(e.g.,Fe^(4+),oxygen vacancy)are used for the activation of c=O bond of BzH and O-H bond of IPA,and the basic sites(e.g.,lattice oxygen)for the activation ofα-H(O-H)bond of IPA.

关键词： LaFe_(0.92)Pd_(0.08)O_(3) porous carbon catalytic transfer hydrogenation isopropanol reaction mechanism

Enhancing visible-light-driven NO oxidation through molecular‐level insights of dye-loaded sea sands

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Rare Metals 2024年第2期43卷 543-554页

作者： Yu-Han Li Bang-Fu chen Sónia a.c.c.rabineiro You-Yu Duan Ping Tan Wing-Kei Ho Fan Dong Engineering Research center for Waste Oil Recovery Technology and Equipment Ministry of EducationChongqing Key Laboratory of Catalysis and New Environmental MaterialsChongqing Technology and Business UniversityChongqing400067China Nanchang Institute of Technology Nanchang33044China LAQV-REQUIMTE Department of ChemistryNOVA School of Science and TechnologyUniversidade NOVA de Lisboa2829-516CaparicaPortugal college of Physics and center of Quantum Materials and Devices Chongqing UniversityChongqing401331China Department of Science and Environmental Studies The Education University of Hong KongHong Kong999077China

Natural minerals,abundant and easily obtained through simple physical processing,offer a cost-effective and environmentally friendly solution for dyeing wastewater disposal and air pollution *** study investigates the photocatalytic removal of NO using natural different types of dyes,loaded on natural sand,under visible light *** examining various coating concentrations of dyes and sand weights,we discovered that sand loaded with Rhodamine B(RhB)exhibits high activity for the photo-oxidation of NO.A combination results of X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS),Fourier transform infrared spectroscopy(FTIR)and thermogravimetric(TG)analyses confirm the presence of SiO_(2),cacO_(3),Al_(2)O_(3)and iron oxides as the main components of the ***,studying RhB-loaded individual components reveals that cacO_(3)plays a crucial role in enhancing the NO removal *** results and theoretical calculations demonstrate the establishment of a directional charge transfer channel from cacO_(3)to RhB,facilitating the adsorption and activation of molecular NO and O_(2).This work not only promotes the utilization of natural mineral resources but also enriches the fields of environmental photochemistry and semiconductor photocatalysis.

关键词： Sand dyes Rhodamine B Photo-oxidation of NO Visible light illumination

Unraveling the role of METTL14 in metabolic dysfunction-associated fatty liver disease:insights and therapeutic implications

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1781-1783页

作者： so Jung Kim Jeongeun Hyun Institute of Tissue Regeneration Engineering(ITREN) Dankook UniversityCheonanRepublic of Korea Department of Nanobiomedical Science and BK21 PLUS NBM Global Research center for Regenerative Medicine Dankook UniversityCheonanRepublic of Korea Mechanobiology Dental Medicine Research center College of DentistryDankook UniversityCheonanRepublic of Korea

The recent article published in Signal Transduction and Targeted Therapy sheds light on the significance of N6-methyladenosine(m6A)methyltransferase-like protein METTL14 in mitigating the progression of metabolic dysfunction-associated fatty liver disease(MAFLD).1 In this study,Wang et *** the downregulation of METTL14 in hepatocytes from both MAFLD patients and high-fat diet(HFD)-induced MAFLD mouse models,underscoring its pivotal role in maintaining hepatic lipid and redox homeostasis in normal livers.

关键词： liver homeostasis al.

Spray,droplet evaporation,combustion,and emission characteristics of future transport fuels for compression-ignition engines:A review

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第4期11卷 575-613页

作者： Leang so Khuong Nozomu Hashimoto Osamu Fujita Division of Mechanical and Aerospace Engineering Faculty of EngineeringHokkaido UniversitySapporo 060-8628Japan Faculty of Automotive Engineering National Polytechnic Institute of CambodiaPhnom Penh 120901Cambodia

This review examines the potential of hydrogen,ammonia,and biodiesel as alternative fuels,focusing on spray dynamics,droplet evaporation,combustion,and *** offers superior combustion characteristics but faces challenges in NO_(x)*** like nonpremixed direct injection,increased intake boost pressure,and low-pressure EGR are suggested for robust hydrogen combustion in compression-ignition *** of hydrogen start of injection(soI)and water injection(WI)are identified as effective techniques for reducing NO_(x)*** shows inferior combustion and higher NO_(x)and unburned NH_(3)emissions in the same conditions as conventional fuels with conventional *** ammonia spray and evaporation conditions is significant for optimizing an ammonia-air mixture and minimizing wall impingement and ammonia trap in the crevice,thereby improving combustion and emission *** intake pressure,injection pressure,and EGR rate,employing a turbulent jet,and preheating ammonia improve efficiency and reduce NO_(x)*** ammonia combustion requires the implementation of after-treatment systems such as NH_(3)adsorber and De NO_(x)catalysts to mitigate unburned NH_(3)and NO_(x)*** affects the fuel supply system,combustion,and emission characteristics according to its viscosity and *** injection pressure and blending with volatile fuels enhance spray and *** biodiesel preheating temperatures for the injection pump and injector are crucial for achieving the best pump capacity and spray *** utilizing biodiesel-PODE blends and investigating low-temperature biodiesel combustions,there is potential to improve thermal efficiency and PMNO_(x)***,carbon-neutral fuel adoption should be accelerated to mitigate cO_(2)emissions,highlighting the importance of combustion techniques and emissions reduction strategies.

关键词： carbon-neutral fuels Spray formation Droplet evaporation Injection strategies combustion efficiency Emission reduction

Exfoliation and Engineering of 2D Materials Through Electrochemistry

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ccS chemistry 2024年第10期6卷 2368-2391页

作者： Sheng Yang Panpan Zhang Ali Shaygan nia Xinliang Feng Frontiers Science center for Transformative Molecules School of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai 201203 State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074 center for Advancing Electronics Dresden(cfaed) Faculty of Chemistry and Food ChemistryTechnische Universität DresdenDresden 01069 Max Planck Institute for Microstructure Physics Halle(Saale)06120

Two-dimensional(2D)materials offer countless possibilities for next-generation(opto)electronic devices because of their diverse and tailorable physicochemical *** bridge the gap between fundamental science and practical applications,simple-to-use universal approaches are essential for the mass production of 2D materials with specific target *** intercalation/exfoliation stands out from many up-scalable synthetic strategies,thanks to its great time efficiency,mild working conditions,and simple *** the use for direct exfoliation of 2D materials,device-level controllable intercalation of guest species often results in rich phase diagrams with competing orders and ground states in 2D systems,giving rise to new exotic quantum ***,making use of electrochemistry in ion intercalation and host–guest interaction is crucial to expand the library,as well as the function of 2D ***,we present a focused review of the exciting advances of electrochemical exfoliation and engineering of 2D materials,including intercalation strategies,intercalation chemistry,exfoliation mechanisms,material properties,and potential *** outlook on the major challenges and perspectives is also presented at the end of the discussion.

关键词： intercalation exfoliation 2D materials electrochemistry

A core scientific problem in the treatment of central nervous system diseases:newborn neurons

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Neural Regeneration Research 2024年第12期19卷 2588-2601页

作者： Peng Hao Zhaoyang Yang Kwok-Fai so Xiaoguang Li Department of Neurobiology School of Basic Medical SciencesCapital Medical UniversityBeijingChina Guangdong-HongKong-Macao Institute of cNS Regeneration Ministry of Education CNS Regeneration Collaborative Joint LaboratoryJinan UniversityGuangzhouGuangdong ProvinceChina Bioland Laboratory(Guangzhou Regenerative Medicine and Health Guangdong Laboratory) GuangzhouGuangdong ProvinceChina Department of Ophthalmology and State Key Laboratory of Brain and cognitive Sciences The University of Hong KongHong Kong Special Administration RegionChina center for Brain Science and Brain-Inspired Intelligence Guangdong-Hong Kong-Macao Greater Bay AreaGuangzhouGuangdong ProvinceChina co-innovation center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina Department of Biomedical Engineering School of Biological Science and Medical EngineeringBeihang UniversityBeijingChina

It has long been asserted that failure to recover from central nervous system diseases is due to the system's intricate structure and the regenerative incapacity of adult *** over recent decades,numerous studies have established that endogenous neurogenesis occurs in the adult central nervous system,including humans'.This has challenged the long-held scientific consensus that the number of adult neurons remains constant,and that new central nervous system neurons cannot be created or ***,we present a comprehensive overview of the alterations and regulatory mechanisms of endogenous neurogenesis following central nervous system injury,and describe novel treatment strategies that to rget endogenous neurogenesis and newborn neurons in the treatment of central nervous system *** nervous system injury frequently results in alterations of endogenous neurogenesis,encompassing the activation,proliferation,ectopic migration,diffe rentiation,and functional integration of endogenous neural stem *** of the unfavorable local microenvironment,most activated neural stem cells diffe rentiate into glial cells rather than ***,the injury-induced endogenous neurogenesis response is inadequate for repairing impaired neural *** have attempted to enhance endogenous neurogenesis using various strategies,including using neurotrophic factors,bioactive materials,and cell reprogramming *** alone or in combination,these therapeutic strategies can promote targeted migration of neural stem cells to an injured area,ensure their survival and diffe rentiation into mature functional neurons,and facilitate their integration into the neural *** can integration re plenish lost neurons after central nervous system injury,by improving the local *** regulating each phase of endogenous neurogenesis,endogenous neural stem cells can be harnessed to promote effective regeneration of newborn ***

关键词： bioactive materials brain trauma endogenous neurogenesis hippocampal dentate gyrus neural stem cells neurotrophic factors newborn neurons spinal cord injury stroke subventricular zone

Light sheet microscope scanning of biointegrated microlasers for localized refractive index sensing

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Photonics Research 2024年第8期12卷 1673-1680页

作者： ROSS c.cOWIE MARcEL ScHUBERT SUPA School of Physics and AstronomyUniversity of St AndrewsSt AndrewsUK Humboldt centre for Nano and Biophotonics Department of ChemistryUniversity of CologneCologneGermany

Whispering gallery mode(WGM)microlasers are highly sensitive to localized refractive index changes allowing to link their emission spectrum to various chemical,mechanical,or physical *** recently found applications in biological studies within single cells,in three-dimensional samples such as multicellular spheroids,or in ***,detailed studies of biological samples also need to account for the structural heterogeneity of tissues and live animals,therefore requiring a combination of high-resolution microscopy and laser ***,we design and construct a light sheet fluorescence microscope with a coupled spectrometer for use in microlaser studies for combined high-resolution,high-speed imaging and WGM spectral *** light sheet illumination profile and the decoupled geometry of excitation and emission hereby directly affect the lasing and sensing properties,mainly through geometric constraints and by light coupling *** demonstrate the basic working principle of microlaser spectroscopy under light sheet excitation and measure the absolute refractive index within agarose and in zebrafish tail muscle *** further analyze the light coupling conditions that lead to the occurrence of two separate oscillation *** so-called cross modes can be scanned around the entire microlaser surface,which allows to estimate a surface-averaged refractive index profile of the microlaser environment.

关键词： refractive index excitation

无绝缘REBcO饼型线圈变形引起的特性电阻变化

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Acta Mechanica Sinica 2024年第4期40卷 21-26页

作者： so Noguchi Hokkaido University Kita 14 Nishi 9Kita-kuSapporo060-0814Japan

近年来稀土钡铜氧化物(REBcO)饼型线圈在高磁场产生中的变形引起了人们的关注.一些考虑线圈变形的电流模拟显示了线圈变形可能影响屏蔽电流分布的可能性.屏蔽电流会产生强大的电磁力,对REBcO饼型线圈造成机械损伤.然而,线圈变形也可能... 详细信息

近年来稀土钡铜氧化物(REBcO)饼型线圈在高磁场产生中的变形引起了人们的关注.一些考虑线圈变形的电流模拟显示了线圈变形可能影响屏蔽电流分布的可能性.屏蔽电流会产生强大的电磁力,对REBcO饼型线圈造成机械损伤.然而,线圈变形也可能影响无绝缘(NI)REBcO饼型线圈的接触电阻,通常称为“特性电阻”.NI特性电阻是NI REBcO饼型线圈稳定性的一个重要因素.因此,有必要研究随着线圈形状变形的NI接触电阻.本文展示了外部场充电和NI线圈充电期间NI特性电阻的变化.

关键词：屏蔽电流接触电阻线圈变形铜氧化物 REBcO 电阻变化机械损伤电磁力

Electrocatalytic synthesis of c-N coupling compounds from cO_(2) and nitrogenous species

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SusMat 2024年第2期4卷 51-74页

作者： Zheng Zhang Danyang Li Yunchuan Tu Jiao Deng Huiting Bi Yongchao Yao Yan Wang Tingshuai Li Yongsong Luo Shengjun Sun Dongdong Zheng Sónia a.c.c.rabineiro Zhou chen Junjiang Zhu Xuping Sun Hubei Key Laboratory of Biomass Fibers and Eco-Dyeing&Finishing College of Chemistry and Chemical EngineeringWuhan Textile UniversityWuhanHubeiChina School of chemistry and chemical Engineering Chongqing UniversityChongqingChina i-Lab Vacuum Interconnected NanotechWorkstation(Nano-X)Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhouJiangsuChina Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengduSichuanChina college of chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJinanShandongChina LAQV-REQUIMTE Department of ChemistryNOVA School of Science and TechnologyUniversidade NOVA de Lisboa2829-516 CaparicaPortugal college of Materials Xiamen UniversityXiamenFujianChina

The electrocatalytic synthesis of c-N coupling compounds from cO_(2) and nitrogenous species not only offers an effective avenue to achieve carbon neutral-ity and reduce environmental pollution,but also establishes a route to synthesize valuable chemicals,such as urea,amide,and *** innovative approach expands the application range and product categories beyond simple carbona-ceous species in electrocatalytic cO_(2) reduction,which is becoming a rapidly advancing *** review summarizes the research progress in electrocatalytic urea synthesis,using N_(2),NO_(2)^(-),and NO_(3)^(-)as nitrogenous species,and explores emerging trends in the electrosynthesis of amide and amine from cO_(2) and nitro-gen ***,the future opportunities in this field are highlighted,including electrosynthesis of amino acids and other compounds containing c-N bonds,anodic c-N coupling reactions beyond water oxidation,and the catalytic mechanism of corresponding *** critical review also captures the insights aimed at accelerating the development of electrochemical c-N coupling reactions,confirming the superiority of this electrochemical method over the traditional techniques.

关键词： c-N coupling cO_(2) reduction electrocatalysis nitrogenous species reaction mechanism

Important step towards an understanding of the exotic Z_(c)(3900)

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Science china(Physics,Mechanics & Astronomy) 2024年第9期67卷 199-200页

作者： c.Hanhart Institute for Advanced Simulation Forschungszentrum JulichJilich D-52425Germany

The Standard Model of particle physics,which contains the field theories for the electro-weak interaction(QED)and the strong interaction(QcD),is an extremely successful theory describing a huge variety of phenomena at... 详细信息

关键词： interaction atomic describing