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Stabilizing semi-transparent perovskite solar cells with a polymer composite hole transport layer

Nano research 2024年第3期17卷 1500-1507页

作者： Yongbin jin Huiping Feng Zheng Fang Liu yang Kaikai Liu Bingru Deng jingfu Chen Xueling Chen Yawen Zhong jinxin yang Chengbo Tian Liqiang Xie Zhanhua Wei Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing Institute of Luminescent Materials and Information DisplaysCollege of Materials Science and EngineeringHuaqiao UniversityXiamen 361021China

Semi-transparent perovskite solar cells(ST-PSCs)have broad applications in building integrated ***,the stability of ST-PSCs needs to be improved,especially in n-i-p ST-PSCs since the doped 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9'-spirobifluorene(Spiro-OMeTAD)is unstable at elevated temperatures and high *** this work,aπ-conjugated polymer poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophene-2-yl)-benzo[1,2-b:4,5-b']dithiophene))-alt-(5,5-(1',3'-di-2-thienyl-5',7'-bis(2-ethylhexyl)benzo[1',2'-c:4',5'-c']dithiophene-4,8-dione)](PBDB-T)is selected to form a polymer composite hole transport layer(HTL)with *** sulfur atom of the thiophene unit and the carbonyl group of the polymer interact with the undercoordinated Pb2+at the perovskite surface,which stabilizes the perovskite/HTL interface and passivates the interfacial *** incorporation of the polymer also increases the glass transition temperature and the moisture resistance of *** a result,we obtain ST-PSCs with a champion efficiency of 13.71%and an average visible light transmittance of 36.04%.Therefore,a high light utilization efficiency of 4.94%can be ***,the encapsulated device can maintain 84%of the initial efficiency after 751 h under continuous one-sun illumination(at 30%relative humidity)at the open circuit and the unencapsulated device can maintain 80%of the initial efficiency after maximum power tracking for more than 1250 h under continuous one-sun illumination.

关键词： semi-transparent solar cells π-conjugated polymer composite hole transport layer building integrated photovoltaics

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Gene replacement therapy in Bietti crystalline corneoretinal dystrophy:an open-label,single-arm,exploratory trial

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2275-2284页

作者： jinyuan Wang jinlu Zhang Shicheng Yu Hongyan Li Shaohong Chen jingting Luo Haibo Wang Yuxia Guan Haihan Zhang Shiyi Yin Huili Wang Heping Li junle Liu jingyuan Zhu Qiong yang Ying Sha Chuan Zhang Yuhang yang Xuan yang Xifang Zhang Xiuli Zhao Likun Wang Liping yang Wenbin Wei Beijing Tongren Eye Center Beijing Key Laboratory of Intraocular Tumor Diagnosis and TreatmentBeijing Ophthalmology&Visual Sciences Key LabMedical Artificial Intelligence Research and Verification Key Laboratory of the Ministry of Industry and Information TechnologyBeijing Tongren HospitalCapital Medical University100730 BeijingChina School of Clinical Medicine Tsinghua University100084 BeijingChina Chigenovo Co. Ltd.102206 BeijingChina Department of Ophthalmology Peking University Third HospitalBeijing Key Laboratory of Restoration of Damaged Ocular NervePeking University Third Hospital100191 BeijingChina Department of Ophthalmology The Third People’s Hospital of Dalian116091 DalianChina Department of Biomedical Informatics School of Basic Medical SciencesPeking University Health Science Center100191 BeijingChina Institute of Systems Biomedicine Department of PathologySchool of Basic Medical SciencesPeking University Health Science Center100191 BeijingChina

Bietti crystalline corneoretinal dystrophy is an inherited retinal disease caused by mutations in CYP4V2,which results in blindness in the working-age population,and there is currently no available ***,we report the results of the first-in-human clinical trial(NCT04722107)of gene therapy for Bietti crystalline corneoretinal dystrophy,including 12 participants who were followed up for 180-365 *** open-label,single-arm exploratory trial aimed to assess the safety and efficacy of a recombinant adeno-associated-virus-serotype-2/8 vector encoding the human CYP4V2 protein(rAAV2/8-hCYP4V2).Participants received a single unilateral subretinal injection of 7.5×10^(10)vector genomes of rAAV2/***,73 treatment-emergent adverse events were reported,with the majority(98.6%)being of mild or moderate intensity and considered to be procedure-or corticosteroid-related;no treatment-related serious adverse events or local/systemic immune toxicities were *** with that measured at baseline,77.8%of the treated eyes showed improvement in best-corrected visual acuity(BCVA)on day 180,with a mean±standard deviation increase of 9.0±10.8 letters in the 9 eyes analyzed(p=0.021).By day 365,80%of the treated eyes showed an increase in BCVA,with a mean increase of 11.0±10.6 letters in the 5 eyes assessed(p=0.125).Importantly,the patients’improvement observed using multifocal electroretinogram,microperimetry,and Visual Function Questionnaire-25 further supported the beneficial effects of the *** conclude that the favorable safety profile and visual improvements identified in this trial encourage the continued development of rAAV2/8-hCYP4V2(named ZVS101e).

关键词： cor dystrophy crystalline

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Tunnel silicon nitride manipulated reconfigurable bi-mode nociceptor analog

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Photonics research 2024年第8期12卷 1820-1827页

作者： CHENGDONG yang YILONG LIU LINLIN SU XINWEI LI LIHUA XU QIMEI CHENG jiangsu Province Engineering research Center of Integrated Circuit reliability Technology and Testing System Wuxi UniversityWuxi 214105China

Neuromorphic applications have shown great promise not only for efficient parallel computing mode to hold certain computational tasks,such as perception and recognition,but also as key biomimetic elements for th intelligent sensory system of next-generation ***,achieving such a biomimetic nociceptor tha can adaptively switch operation mode with a stimulation threshold remains a *** rational design of material properties and device structures,we realized an easily-fabricated,low-energy,and reconfigurable no *** is capable of threshold-triggered adaptive bi-mode jump that resembles the biological alarm system With a tunnel silicon nitride(Si_(3)N_(4))we mimicked the intensity-and rehearsal-triggered jump by means of th tunneling mode transition of Si_(3)N_(4)*** threshold signals the device can also express some common synaptic functions with an extremely low energy density of 33.5 f j∕μm^(2).In addition,through the modulation o Si_(3)N_(4)thickness it is relatively easy to fabricate the device with differing pain *** nociceptor analog based on a tunneling layer provides an opportunity for the analog pain alarm system and opens up a new path toward threshold-related novel applications.

关键词： Tunnel tunneling rational

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A novel method for the green utilization of waste fried oil

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Particuology 2024年第1期84卷 1-11页

作者： Gan Cheng Mengni Zhang yang Lu Yanhui Zhang Bin Lin Ee Von Lau College of Chemistry and Chemical Engineering Henan Polytechnic UniversityJiaozuo454003China Henan Key Laboratory for Green and Efficient Mining&Comprehensive Utilization of Mineral resources Henan Polytechnic UniversityJiaozuo454003China Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization Henan Polytechnic UniversityJiaozuo454003China School of Engineering Monash University MalaysiaSubang JayaSelangor47500Malaysia

Waste fried oil was studied to prepare three different types of detergent such as soap,liquid soap and soap powder via saponification *** preparation conditions of soap base were optimized by orthogonal *** specific preparation processes included waste fried oil treatment,orange peel extract preparation,saponification,demoulding and *** showed that the optimal con-ditions for saponification were as follows:ratio of pure waste fried oil to coconut oil=6∶4,alkali liquor(NaOH)mass fraction 30%,saponification temperature 70℃,orange peel extract concentration 15%.The mature soap was then used to make liquid soap and soap powder by surfactant(sodium dodecylbenzene sulfonate,coconut diethanol amide)addition,followed by *** prepared detergent conforms to the production standard of strong decontamination ability,possesses stable performance,is gentle to skin and non-toxic.

关键词： Waste fried oil Detergent Saponification Decolorization

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Comparative analysis of microstructure,mechanical,and corrosion properties of biodegradable Mg-3Y alloy prepared by selective laser melting and spark plasma sintering

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journal of Magnesium and Alloys 2024年第4期12卷 1496-1510页

作者： P.Minárik M.Zemková S.Šašek j.Dittrich M.Knapek F.Lukáˇc D.Koutný j.jaroš r.Král Faculty of Mathematics and Physics Charles UniversityKe Karlovu 5Praha 12116Czech Republic research Centre University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Institute of Plasma Physics of the Czech Academy of Sciences Za Slovankou 1782/318200 Praha 8Czech Republic Institute of Machine and Industrial Design Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This work explored possibilities of biodegradable magnesium alloy Mg-3Y preparation by two modern powder metallurgy techniques–spark plasma sintering(SPS)and selective laser melting(SLM).The powder material was consolidated by both methods utilising optimised parameters,which led to very low porosity(∼0.3%)in the SLM material and unmeasurably low porosity in the SPS *** main aim of the study was the thorough microstructure characterisation and interrelation between the microstructure and the functional properties,such as mechanical strength,deformability,and corrosion *** materials showed comparable strength of∼110 MPa in tension and compression and relatively good deformability of∼9%and∼21%for the SLM and SPS materials,*** corrosion resistance of the SPS material in 0.1 M NaCl solution was superior to the SLM one and comparable to the conventional extruded *** digital image correlation during loading and the cross-section analysis of the corrosion layers revealed that the residual porosity and large strained grains have the dominant negative effect on the functional properties of the SLM *** the other hand,one of the primary outcomes of this study is that the SPS consolidation method is very effective in the preparation of the W3 biodegradable alloy,resulting in material with convenient mechanical and degradation properties that might find practical applications.

关键词： Magnesium Yttrium Powder metallurgy Microstructure Mechanical strength Corrosion resistance

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OsPPG encodes a pseudouridine-5'-phosphate glycosidase and regulates rice spikelet development

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The Crop journal 2024年第3期12卷 698-708页

作者： rui Chen Dagang Tian Yarong Lin jiaqing Huang Qinqin yang Yupei Li Huaqing Liu Shaohua yang jingyang Chen Shufen Zhou Feng Wang Shubiao Zhang Key Laboratory of Genetics Breeding and Multiple Utilization of CropsMinistry of Education/Key Laboratory of Biological Breeding for Fujian and Taiwan CropsMinistry of Agriculture and Rural AffairsFujian Agriculture and Forestry UniversityFuzhou 350002FujianChina Fujian Key Laboratory of Genetic Engineering for Agriculture Biotechnology Research InstituteFujian Academy of Agricultural SciencesFuzhou 350003FujianChina Institute of resources Environment and Soil FertilizerFujian Academy of Agricultural SciencesFuzhou 350013FujianChina

Florets are the basic structural units of spikelets,and their morphogenesis determines the yield and quality of rice ***,whether and how pseudouridine-5’-phosphate glycosidase participates in rice spikelet development remains an open *** this study,we identified a novel gene,OsPPG,which encodes a peroxisome-localized pseudouridine-5’-phosphate glycosidase and regulates the development of rice *** mutants exhibited abnormal sterile lemma,lemma,palea,lodicule,stamens,and pistils;male sterility;shorter panicles;and reduced plant *** was found to regulate several OsMADS genes,thereby affecting the morphogenesis of rice ***,metabolomics revealed that the OsPPG gene was involved in the decomposition of pseudouridine via the pyrimidine metabolism pathway and may affect the jasmonic acid signaling *** results suggest that OsPPG is a key regulator of rice spikelet development.

关键词： OsPPG reproductive regulation Spikelet development rice

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Effects of dietary Clostridium butyricum and rumen protected fat on meat quality,oxidative stability,and chemical composition of finishing goats

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journal of Animal Science and Biotechnology 2024年第2期15卷 911-924页

作者： Meimei Zhang Zhiyue Zhang Xinlong Zhang Changming Lu Wenzhu yang Xiaolai Xie Hangshu Xin Xiaotan Lu Mingbo Ni Xinyue yang Xiaoyang Lv Peixin jiao College of Animal Science and Technology Northeast Agricultural UniversityHarbin 150030People’s Republic of China Lethbridge research and Development Centre Lethbridge T1J 4B1Canada School of Agriculture and Food Sciences The University of QueenslandGattonQLD 4343Australia International joint research Laboratory in Universities of jiangsu Province of China for Domestic Animal Germplasm resources and Genetic Improvement Yangzhou 225009China

Background Clostridium butyricum(CB)is a probiotic that can regulate intestinal microbial composition and improve meat *** protected fat(rPF)has been shown to increase the dietary energy density and provide essential fatty ***,it is still unknown whether dietary supplementation with CB and rPF exerts beneficial effects on growth performance and nutritional value of goat *** study aimed to investigate the effects of dietary CB and rPF supplementation on growth performance,meat quality,oxidative stability,and meat nutritional value of finishing ***-two goats(initial body weight,20.5±0.82 kg)were used in a completely randomized block design with a 2 rPF supplementation(0 vs.30 g/d)×2 CB supplementation(0 vs.1.0 g/d)factorial treatment *** experiment included a 14-d adaptation and 70-d data and sample collection *** goats were fed a diet consisted of 400 g/kg peanut seedling and 600 g/kg corn-based concentrate(dry matter basis).result Interaction between CB and rPF was rarely observed on the variables measured,except that shear force was reduced(Pr rPF alone or their combination;the increased intramuscular fat(IMF)content with adding rPF was more pronounced(Proxidase activities(P=0.006),concentrations of 18:3(Prated fatty acids(P=0.048)were increased,whereas the L*values(Pr force(P=0.050)and malondialdehyde content(P=0.044)were decreased by adding ***,CB supplementation increased essential amino acid(P=0.027),flavor amino acid(P=0.010)and total amino acid contents(P=0.024)as well as upregulated the expression of lipoprotein lipase(P=0.034)and peroxisome proliferator-activated receptorγ(PPArγ)(P=0.012),and downregulated the expression of stearoyl-CoA desaturase(SCD)(P=0.034).The rPF supplementation increased dry

关键词： Chemical composition Clostridium butyricum Goats Meat quality Oxidative stability rumen protected fat

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Modelling dynamic pantograph loads with combined numerical analysis

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railway Engineering Science 2024年第1期32卷 81-94页

作者： F.F.jackson r.Mishra j.M.rebelo j.Santos P.Antunes j.Pombo H.Magalhaes L.Wills M.Askill School of Computing and Engineering University of HuddersfieldHuddersfieldUK School of Computing and Engineering Institute of Railway ResearchUniversity of HuddersfieldHuddersfieldUK IDMEC Instituto Superior TecnicoUniversidade de LisboaLisbonPortugal ISEL Instituto Politecnico de LisboaLisbonPortugal Hitachi rail Newton AycliffeUK Wabtec/Brecknell Willis ChardUK

Appropriate interaction between pantograph and catenary is imperative for smooth operation of electric *** heights of overhead lines to accommodate level crossings,overbridges,and tunnels pose significant challenges in maintaining consistent current collection performance as the pantograph aerodynamic profile,and thus aerodynamic load changes significantly with operational *** research aims to analyse the global flow characteristics and aerodynamic forces acting on individual components of an HSX pantograph operating in different configurations and orientations,such that the results can be combined with multibody simulations to obtain accurate dynamic insight into contact ***,computational fluid dynamics simulations are used to investigate the pantograph component loads in a representative setting,such as that of the recessed cavity on a Class 800 *** an aerodynamic perspective,this study indicates that the total drag force acting on non-fixed components of the pantograph is larger for the knuckle-leading orientation rather than the knuckle-trailing,although the difference between the two is found to reduce with increasing pantograph *** the aerodynamic loads acting on individual components with multibody tools allows for realistic dynamic insight into the pantograph *** results obtained show how considering aerodynamic forces enhance the realism of the models,leading to behaviour of the pantograph-catenary contact forces closely matching that seen in experimental tests.

关键词： Pantograph-catenary interaction Pantograph aerodynamics Computational fluid dynamics Pantograph loads Current collection performance

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Atomic Dispersed Hetero‑Pairs for Enhanced Electrocatalytic CO_(2)reduction

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Nano-Micro Letters 2024年第1期16卷 55-67页

作者： Zhaoyong jin Meiqi yang Yilong Dong Xingcheng Ma Ying Wang jiandong Wu jinchang Fan Dewen Wang rongshen Xi Xiao Zhao Tianyi Xu jingxiang Zhao Lei Zhang David j.Singh Weitao Zheng Xiaoqiang Cui State Key Laboratory of Automotive Simulation and Control School of Materials Science and EngineeringKey Laboratory of Automobile Materials of MOEElectron Microscopy CenterJilin UniversityChangchun 130012People’s Republic of China Key Laboratory of Photonic and Electronic Bandgap Materials Ministry of Educationand College of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbin 150025People’s Republic of China College of Chemistry Jilin UniversityChangchun 130012People’s Republic of China Department of Physics and Astronomy and Department of Chemistry University of MissouriColumbiaMO 65211USA

Electrochemical carbon dioxide reduction reaction(CO_(2)rr)involves a variety of intermediates with highly correlated reaction and ad-desorption energies,hindering optimization of the catalytic *** example,increasing the binding of the*COOH to the active site will generally increase the*CO desorption *** this relationship may be expected to dramatically improve the intrinsic activity of CO_(2)rr,but remains an unsolved ***,we addressed this conundrum by constructing a unique atomic dispersed hetero-pair consisting of Mo-Fe di-atoms anchored on N-doped carbon *** system shows an unprecedented CO_(2)rr intrinsic activity with TOF of 3336 h−1,high selectivity toward CO production,Faradaic efficiency of 95.96%at−0.60 V and excellent *** calculations show that the Mo-Fe diatomic sites increased the*COOH intermediate adsorption energy by bridging adsorption of*COOH *** the same time,d-d orbital coupling in the Mo-Fe di-atom results in electron delocalization and facilitates desorption of*CO ***,the undesirable correlation between these steps is *** work provides a promising approach,specifically the use of di-atoms,for breaking unfavorable relationships based on understanding of the catalytic mechanisms at the atomic scale.

关键词： CO_(2)reduction reaction Atomic dispersed catalyst Hetero-diatomic pair Ad-desorption energy Linear scaling relation

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Linkage Between European and East Asian Heatwaves on Synoptic Scales

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journal of Tropical Meteorology 2024年第2期30卷 97-105页

作者：蔡奋颖刘彩红杨崧邓开强 KUrTHS jürgen School of Atmospheric Sciences Sun Yat-sen Universityand Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)ZhuhaiGuangdong 519082 China Department of Complexity Science Potsdam Institute for Climate Impact Research(PIK)Member of the Leibniz AssociationPotsdam 14473 Germany Department of Water and Climate risk Institute for Environmental StudiesVrije Universiteit AmsterdamAmsterdam 1087HV Netherlands Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies Sun Yat-sen UniversityZhuhaiGuangdong 519082 China Department of Physics Humboldt-Universität zu BerlinBerlin 12489 Germany

Concurrent extreme weather events in geographically distant areas potentially cause high-end risks for *** using network analysis,the present study managed to identify significant nearly-simultaneous occurrences of heatwaves between the grid cells in East Asia and Eastern Europe,even though they are geographically far away from each *** further composite analysis,this study revealed that hot events first occurred in Eastern Europe,typically with a time lag of3-4 days before the East Asian heatwave *** eastward propagating atmospheric wave train,known as the circumglobal teleconnection(CGT)pattern,bridged the sequent occurrences of extreme events in these two remote *** blockings,amplified by surface warming over Eastern Europe,not only enhanced local heat extremes but also excited a CGT-like pattern characterized by alternative anomalies of high and low *** downstream anticyclones in the middle and upper troposphere reduced local cloud cover and increased downward solar radiation,thereby facilitating the formation of heatwaves over East *** half of East Asian heatwave events were preceded by Eastern European heatwave events in the 10-day time range before East Asian heatwave *** investigation of heatwave teleconnection in the two distant regions exhibits strong potential to improve the prediction accuracy of East Asian heatwaves.

关键词： concurrent heatwaves Eastern Europe East Asia circum-global teleconnection pattern

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