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Single-cell transcriptomes provide insights into expansion of glial cells in Bombyx mori

Insect Science 2024年第4期31卷 1041-1054页

作者： Xiaojing Liu Zhongjie Zhang Bo hu Kai Chen ye Yu hui Xiang Anjiang Tan Jiangsu Key Laboratory of Sericultural Biology and Biotechnology School of BiotechnologyJiangsu University of Science and TechnologyZhenjiangJiangsu ProvinceChina Key Laboratory of Silkworm and Mulberry Genetic Improvement Ministry of Agriculture and Rural AffairsThe Sericultural Research InstituteChinese Academy of Agricultural SciencesZhenjiangJiangsu ProvinceChina Guangzhou Key Laboratory of Insect Development Regulation and Application Research Institute of Insect Science and Technology and School of Life SciencesSouth China Normal UniversityGuangzhouChina

The diversity of cell types in the brain and how these change during different developmental stages,remains largely *** life cycle of insects is short and goes through 4 distinct stages including embryonic,larval,pupal,and adult *** postembryonic life,the larval brain transforms into a mature adult version after *** silkworm,Bombyx mori,is a lepidopteran model ***,we characterized the brain cell repertoire of larval and adult *** by obtaining 50708 single-cell *** and 12 cell clusters from larval and adult brains were assigned based on marker genes,*** cell types include Kenyon cells,optic lobe cells,monoaminergic neurons,surface glia,and astrocyte *** further assessed the cell type compositions of larval and adult *** found that the transition from larva to adult resulted in great expansion of glial *** glial cell accounted for 49.8%of adult midbrain *** to flies and ants,the mushroom body kenyon cell is insufficient in ***,which accounts for 5.4%and 3.6%in larval and adult brains,*** of neuropeptide expression showed that the abundance and specificity of expression varied among individual ***,we found that ion transport peptide was specifically expressed in glial cells of larval and adult *** cell atlas dataset provides an important resource to explore cell diversity,neural circuits and genetic profiles.

关键词： brain neuropeptide silkworm single-cell transcriptome

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Extraction,chemical components,bioactive functions and adulteration identification of walnut oils:A review

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Grain & Oil Science and Technology 2024年第1期7卷 30-41页

作者： Yuan Gao Jia hu Xia su Qi Li Caihong su Yongling Li Gaiqin Ma Siyu Zhang Xiuzhu Yu Engineering Research Center of Grain and Oil Functionalized Processing College of Food Science and EngineeringNorthwest A&F UniversityShaanxi 712100China Animal Products and Animal Medicine Feed Quality Inspection Center Hebei 050041China

Walnut oil is a functional wood oil known to researchers that may potentially be a large source of Chinese edible *** are various extraction methods for walnut oil,including traditional(pressing,solvent-and enzymeassisted extraction)and novel methods(microwave,ultrasound,supercritical CO_(2),subcritical and other extraction technologies).Walnut oil is rich in nutrients,including phytosterols,tocopherols,polyphenols,squalene and *** provides many health benefits,such as antioxidant,antitumor,anti-inflammatory,antidiabetic and lipid metabolism-related *** addition,the authentication of walnut oil has received much research *** present review provides detailed research on walnut oil extraction,composition,health benefits and adulteration identification *** path toward further walnut oil improvement in the context of the market value of walnut oil is also discussed.

关键词： Extraction technology Chemical composition Bioactive Authentication

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A Review on the Security of the Ethereum-Based DeFi Ecosystem

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Computer Modeling in Engineering & Sciences 2024年第4期139卷 69-101页

作者： Yue Xue Dunqiu Fan Shen su Jialu Fu Ning hu Wenmao Liu Zhihong Tian Cyberspace Institute of Advanced Technology Guangzhou UniversityGuanzhou510000China Innovation Center NSFOCUS Inc.Beijing100089China Engineering Research Center of Integration and Application of Digital Learning Technology Ministry of EducationBeijing100816China

Decentralized finance(DeFi)is a general term for a series of financial products and *** is based on blockchain technology and has attracted people’s attention because of its open,transparent,and intermediary *** them,the DeFi ecosystem based on Ethereum-based blockchains attracts the most ***,the current decentralized financial system built on the Ethereum architecture has been exposed to many smart contract vulnerabilities during the last few ***,we believe it is time to improve the understanding of the prevailing Ethereum-based DeFi ecosystem security *** that end,we investigate the Ethereum-based DeFi security issues:1)inherited from the real-world financial system,which can be solved by macro-control;2)induced by the problems of blockchain architecture,which require a better blockchain platform;3)caused by DeFi invented applications,which should be focused on during the project *** on that,we further discuss the current solutions and potential directions ofDeFi *** to our research,we could provide a comprehensive vision to the research community for the improvement of Ethereum-basedDeFi ecosystem security.

关键词： Blockchain smart contract decentralized finance DeFi security

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Thermally modulated photoelectronic synaptic behavior in HfS2/VO2 heterostructure

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Rare Metals 2024年第8期43卷 3798-3809页

作者： Le Wang Lin Wang Xiao-Yun ye Xiong-hu Xu Li-Yan Shang Ya-Wei Li Jin-Zhong Zhang Liang-Qing Zhu Zhi-Gao hu Technical Center for Multifunctional Magneto-Optical Spectroscopy (Shanghai) Engineering Research Center of Nanophotonics & Advanced Instrument (Ministry of Education) Department of PhysicsSchool of Physics and Electronic ScienceEast China Normal University Collaborative Innovation Center of Extreme Optics Shanxi University

Neuromorphic computing is known for its efficient computational speed,low latency,and reduced power consumption,which is considered a pivotal technology to overcome the von Neumann *** synapses are an indispensable component of neuromorphic computational artificial neural *** guarantee effective and precise processing of optical signals,it must have a high responsivity,detectivity,and the ability to adapt to various ***,a synaptic transistor based on the HfS2/VO2heterojunction with a responsivity of8.6×10～3 A·W-1and a detectivity of 1.26×1014Jones at405 nm laser was ***,the typical synaptic behavior was successfully simulated,including postsynaptic currents（PSCs）,the transition from shortterm plasticity（STP） to long-term plasticity（LTP）.When VO2converts from the semiconductor state to the metal state,the HfS2/VO2heterojunction transforms into a Schottky heterojunction from a Type Ⅱ heterojunction with ***'s important,the heterojunction still exhibits excellent responsivity and detectivity,as well as stability of synaptic *** addition,the classical Pavlovian conditioning experiment is simulated under different laser intensity to study the brain's associative learning *** results demonstrate that the HfS2/VO2heterojunction synapse exhibits significant responsivity and detectivity and is adaptable to high-temperature environments,showing great potential for neuromorphic computational applic ations.

关键词： HfS 2 VO 2 Phase transition Photoelectric synapse Heterojunction

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Thermo-hydro-poro-mechanical responses of a reservoir-induced landslide tracked by high-resolution fiber optic sensing nerves

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第3期16卷 1018-1032页

作者： Xiao ye Hong-hu Zhu Gang Cheng hua-Fu Pei Bin Shi Luca Schenato Alessandro Pasuto School of Earth Sciences and Engineering Nanjing UniversityNanjing210023China School of Computer Science North China Institute of Science and Technology(National Safety Training Center of Coal Mines)Beijing101601China State Key Lab of Coastal and Offshore Engineering Department of Geotechnical EngineeringDalian University of TechnologyDalian116024China National Research Council-Research Institute for Geo-Hydrological Protection(CNR-IRPI) Padova35127Italy Department of Information Engineering University of PadovaPadova35131Italy

Thermo-poro-mechanical responses along sliding zone/surface have been extensively ***,it has not been recognized that the potential contribution of other crucial engineering geological interfaces beyond the slip surface to progressive ***,we aim to investigate the subsurface multiphysics of reservoir landslides under two extreme hydrologic conditions(*** and dry),particularly within sliding *** on ultra-weak fiber Bragg grating(UWFBG)technology,we employ specialpurpose fiber optic sensing cables that can be implanted into boreholes as“nerves of the Earth”to collect data on soil temperature,water content,pore water pressure,and *** Xinpu landslide in the middle reach of the Three Gorges Reservoir Area in China was selected as a case study to establish a paradigm for in situ thermo-hydro-poro-mechanical *** UWFBG-based sensing cables were vertically buried in a 31 m-deep borehole at the foot of the landslide,with a resolution of 1 m except for the pressure *** reported field measurements covering the period 2021 and 2022 and produced the spatiotemporal profiles throughout the *** show that wet years are more likely to motivate landslide motions than dry *** annual thermally active layer of the landslide has a critical depth of roughly 9 m and might move downward in warmer *** dynamic groundwater table is located at depths of 9e15 m,where the peaked strain undergoes a periodical response of leap and withdrawal to annual hydrometeorological *** interface behaviors may support the interpretation of the contribution of reservoir regulation to slope stability,allowing us to correlate them to local damage events and potential global *** paper also offers a natural framework for interpreting thermo-hydro-poro-mechanical signatures from creeping reservoir bank slopes,which may form the basis for a landslide monitoring and early warning system.

关键词： Reservoir landslide Thermo-hydro-poro-mechanical response Ultra-weak fiber bragg grating(UWFBG) subsurface evolution Engineering geological interface Geotechnical monitoring

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Effective strategies to promote Z(S)-scheme photocatalytic water splitting

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Chinese Chemical Letters 2024年第3期35卷 27-39页

作者： ye Yuan Junan Pan Weinan Yin Haoxuan Yu Fengshun Wang Weifeng hu Longlu Wang Dafeng Yan College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NUPT)Nanjing 210023China College of Chemistry and Chemical Engineering Hubei UniversityWuhan 430062China

Artificial Z(S)-scheme photocatalytic water splitting systems have attracted extensive attention due to their advantages such as wide light absorption range,high charge separation efficiency and strong carrier redox ***,it is still challenging to design and prepare Z(S)-scheme photocatalysts with low-cost and highly stability for efficiently photocatalytic overall water splitting using solar *** review mainly introduces various strategies to improve the photocatalytic water splitting performance of Z(S)-scheme *** strategies mainly focus on enhancing or extending the range of light absorption,promoting charge separation,and enhancing surface redox reaction in Z(S)-scheme ***,the main challenges of Z(S)-scheme photocatalytic water splitting systems and their future development directions are pointed *** review would be beneficial to understanding the challenges and opportunities faced by the research field of Z(S)-scheme photocatalytic systems,and has important guiding significance for the development and utilization of high-performance Z(S)-scheme photocatalytic reaction system in the future.

关键词： Z(S)-scheme Overall water splitting Light absorption Charge separation Loading co-catalyst

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Exploring the effect of cooling rate on non-isothermal crystallization of copolymer polypropylene by fast scanning calorimetry

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China Foundry 2024年第4期21卷 379-386页

作者： Yang Liao ye-yuan hu Kosuke Ikeda Ryoji Okabe Rui-fen Wu Ryota Ozaki Qing-yan Xu Key Laboratory for Advanced Materials Processing Technology School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Composite Laboratory Research&Innovation Center Mitsubishi Heavy Industries Ltd.Nagasaki 8510392Japan

Polypropylene is commonly used as a binder for ceramic injection molding,and rapid cooling is often encountered during ***,the crystallization behavior of polypropylene shows a strong dependence on cooling rate due to its semi-crystalline ***,the influence of cooling rate on the quality of final product cannot be *** this study,the fast differential scanning calorimetry(FSC)test was performed to study the influence of cooling rate on the non-isothermal crystallization behavior and non-isothermal crystallization kinetics of a copolymer polypropylene(PP BC03B).The results show that the crystallization temperatures and crystallinity decrease as the cooling rate *** addition,two exothermic peaks occur when cooling rate ranges from 30 to 300 K·s^(-1),indicating the formation of another crystal ***,Ozawa and Mo equations were used to explore the non-isothermal crystallization kinetics,and it can be concluded that the Mo method is suitable for this study.

关键词： cooling rate crystallization temperature crystallinity non-isothermal crystallization kinetics FSC copolymer polypropylene

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Stripping of aggregate from mortar in waste concrete heated by microwave:Mechanisms of differential-temperature stress and vapor expansion pressure

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第3期11卷 538-558页

作者： Yanping Sheng Xiao huan Peizhen hu Liangliang Li Ahmed Abdulakeem Zhoujing ye Linbing Wang Yanping Yin School of Materials Science and Engineering Chang'an UniversityXi'an 710064China Engineering Research Center of Transportation Materials Ministry of EducationChang'an UniversityXi'an 710064China National Center for Materials Service Safety University of Science and Technology BeijingBeijing 100083China School of Environmental CivilAgricultural and Mechanical EngineeringCollege of EngineeringUniversity of GeorgiaAthensGA 30602USA

Microwave heating,which is used for pre-treatment of concrete before it is comminuted,stands as a strong candidate for selective liberation of multiphase materials like *** paper is concerned with the selective liberation of concrete's raw constituents(particularly aggregate)for recycling by considering the water content of concrete as a parameter of microwave heating for the first *** deterioration law of the concrete's performance was characterized by the variation in the splitting tensile strength and relative dynamic modulus after heating by microwave at different water ***,tests were conducted to evaluate the performance of the interface transition zone(ITZ)between aggregate and mortar as well as to investigate the reasons for the stripping behavior of aggregate-mortar,which included the interface tensile strength test,temperature measurement,and porosity *** deterioration law of splitting tensile strength and relative dynamic modulus revealed that the performance of concrete was subject to different degrees of damage depending on the water ***,experimental results showed that interface bonding strength between aggregate and mortar was dramatically impaired,and a large temperature difference was generated between the aggregate and mortar during microwave ***,the permeable pores increased considerably even when the specimens were *** the presence of water,the intactness of ITZ between aggregate and mortar was destroyed by microwave heating,and its performance was significantly lowered,which led to the occurrence of stripping behavior between aggregate and *** was reaffirmed by the microstructure presented by scanning electron ***,the newly developed microwave pretreatment improved by providing appropriate water contents for concrete corresponding to different strength grades is a promising method for recycling aggregate from waste concrete.

关键词： Waste concrete Recycled aggregate Microwave heating Stripping behavior Differential-temperature stress Vapor expansion pressure

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Heterogeneous body compositions and all-cause mortality in acute coronary syndrome patients:a ten-year retrospective cohort study

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Journal of Geriatric Cardiology 2024年第5期21卷 534-541页

作者： Guang-Zhi LIAO Lin BAI Yu-Yang ye Xue-Feng CHEN Xin-Ru hu Yong PENG Department of Cardiology West China HospitalSichuan UniversityChengduSichuanChina

BACKGROUND The association of different body components,including lean mass and body fat,with the risk of death in acute coronary syndrome(ACS)patients are *** We enrolled adults diagnosed with ACS at our center between January 2011 and December 2012 and obtained fol-low-up outcomes via telephone *** used restricted cubic splines(RCS)with the Cox proportional hazards model to analyze the associations between body mass index(BMI),predicted lean mass index(LMI),predicted body fat percentage(BF),and the value of LMI/BF with 10-year *** also examined the secondary outcome of death during *** During the maximum 10-year follow-up of 1398 patients,331 deaths(23.6%)occurred,and a U-shaped relationship was found between BMI and death risk(P_(nonlinearity)=0.03).After adjusting for age and history of diabetes,the overweight group(24≤BMIyear death risk(P_(nonlinearity)=0.24 and P_(nonlinearity)=0.38,respectively),while an increase in BF was associ-ated with increased mortality(P_(nonlinearity)=0.64).During hospitalization,31 deaths(2.2%)were recorded,and the associations of the indicators with in-hospital mortality were consistent with the long-term outcome *** Our study provides new insight into the“obesity paradox”in ACS patients,highlighting the importance of considering body composition *** LMI and BF may serve as useful tools for assessing nutritional status and predicting the prognosis of ACS,based on their linear associations with all-cause mortality.

关键词： patients mortality coronary

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Metabolic disorders in prediabetes:From mechanisms to therapeutic management

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World Journal of Diabetes 2024年第3期15卷 361-377页

作者： Wen-Xin Ping Shan hu Jing-Qian su Song-Ying Ouyang Biomedical Research Center of South China College of Life SciencesFujian Normal UniversityFuzhou 350117Fujian ProvinceChina

Diabetes,one of the world's top ten diseases,is known for its high mortality and complication rates and low cure *** precedes the onset of diabetes,during which effective treatment can reduce diabetes *** risk factors include high-calorie and high-fat diets,sedentary lifestyles,and *** may include considerable damage to vital organs,including the retina,liver,and *** for treating prediabetes include a healthy lifestyle diet and pharmacological ***,while these options are effective in the short term,they may fail due to the difficulty of long-term *** may also be used to treat *** review examines prediabetic treatments,particularly metformin,glucagon-like peptide-1 receptor agonists,sodium glucose cotransporter 2 inhibitors,vitamin D,and herbal *** the remarkable impact of prediabetes on the progression of diabetes mellitus,it is crucial to intervene promptly and effectively to regulate ***,the current body of research on prediabetes is limited,and there is considerable confusion surrounding clinically relevant *** paper aims to provide a comprehensive summary of the pathogenesis of prediabetes mellitus and its associated therapeutic *** ultimate goal is to facilitate the clinical utilization of medications and achieve efficient and timely control of diabetes mellitus.

关键词： Prediabetes Glucagon-like peptide agonists Sodium–glucose cotransporter 2 inhibitors Vitamin D Chinese herbal medicines

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