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Optimization of performance of the KM2A full array using the Crab Nebula

Chinese Physics C 2024年第6期48卷 169-178页

作者：曹臻 F.Aharonian 安琪阿西克古白云翔包逸炜 D.Bastieri 毕效军毕玉江蔡金庭曹晴曹文羽曹喆常进常劲帆陈尚明陈恩生陈亮陈林陈龙陈明君陈玛丽陈起辉陈素弘陈天禄陈阳程宁程耀东崔明阳崔树旺崔晓红崔昱东戴本忠代洪亮戴子高单增罗布 D.della Volpe 董绪强段凯凯樊军辉范一中方军方堃冯存峰封莉冯少辉丰晓婷冯有亮 S.Gabici 高博高川东高林青高启高卫高伟康葛茂茂耿利斯 G.Giacinti 龚光华苟全补顾旻皓郭福来郭晓磊郭义庆郭莹莹韩毅昂何会海贺昊宁何佳银何新波何钰 M.Heller 贺远强侯博文侯超侯贤胡红波胡铨胡世聪黄代绘黄天奇黄文俊黄性涛黄晓渊黄勇黄志成季筱璐贾焕玉贾康江琨姜晓巍姜泽军金敏康明铭柯通 D.Kuleshov.K.Kurinov 李兵兵李澄李骢李丹李飞李海波李会财李华阳李军李剑李捷李凯李文龙李文莲李秀荣李昕李一卓李哲黎卓梁恩维梁云峰林苏杰刘冰刘成刘栋刘虎刘海东刘佳刘江来刘金艳刘茂元柳若愚刘四明刘伟刘怡刘以农鲁睿罗晴吕洪魁马伯强马玲玲马欣华毛基荣闵振 W.Mitthumsiri 穆慧君南云程 A.Neronov 区子维庞彬宇 P.Pattarakijwanich 裴致远齐孟尧祁业情乔冰强秦家军 D.Ruffolo A.Sáiz D.Semikoz 邵澄宇邵琅 O.Shchegolev 盛祥东舒富文宋慧超 Yu.V.Stenkin V.Stepanov 苏扬孙秦宁孙晓娜孙志斌谭柏轩唐庆文唐泽波田文武王超王昌贝王广威王洪光王惠惠王建成汪凯王利苹王玲玉王培汉王冉王为王祥高王祥玉王阳王玉东王岩谨王忠海王仲翔王振王铮韦大明魏俊杰魏永健文韬吴超勇吴含荣武莎吴雪峰吴雨生席邵强夏捷夏君集项光漫肖迪泫肖刚辛广广辛玉良邢祎熊峥徐东莲徐仁峰徐仁新徐伟立薛良闫大海颜景志颜田杨朝文杨帆杨冯帆杨何文杨佳盈杨莉莉杨明洁杨睿智杨深邦姚玉华姚志国叶一锰尹丽巧尹娜游晓浩游智勇于艳红袁强岳华曾厚敦曾婷轩曾玮查敏张彬彬张丰张海明张恒英张建立张丽霞张力张鹏飞张佩佩张瑞张少博张少如张寿山张潇张笑鹏张云峰张毅张勇赵兵赵静赵雷赵立志赵世平郑福周斌周浩周佳能周猛周平周荣周勋秀祝成光祝凤荣朱辉朱科军左雄 LHAASO Collaboration Key Laboratory of Particle Astrophyics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China Tianfu Cosmic Ray Research Center Chengdu 610000China Dublin Institute for Advanced Studies 31 Fitzwilliam Place2 DublinIreland Max-Planck-Institut for Nuclear Physics P.O.Box 10398069029 HeidelbergGermany State Key Laboratory of Particle Detection and Electronics China University of Science and Technology of China Hefei 230026China School of Physical Science and Technology&School of Information Science and Technology Southwest Jiaotong UniversityChengdu 610031China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Center for Astrophysics Guangzhou UniversityGuangzhou 510006China Hebei Normal University Shijiazhuang 050024China Key Laboratory of Dark Matter and Space Astronomy&Key Laboratory of Radio Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China Key Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key Laboratory of Cosmic Rays(Tibet University) Ministry of EducationLhasa 850000TibetChina National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China School of Physics and Astronomy(zhuhai)&School of Physics(Guangzhou)&Sino-French Institute of Nuclear Engineering and Technology(zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275China School of Physics and Astronomy Yunnan UniversityKunming 650091China Département de Physique Nucléaire et Corpusculaire Facultéde SciencesUniversitéde Genève24 Quai Ernest Ansermet1211 GenevaSwitzerland Institute of Frontier and Interdisciplinary Science Shandong UniversityQingdao 266237China APC Universit'e Paris Cit'eCNRS/IN2P3CEA/IRFUObservat

The full array of the Large High Altitude Air Shower Observatory(LHAASO)has been in operation since july *** its kilometer-square array(KM2A),we optimized the selection criteria for very high and ultrahigh energyγ-rays using data collected from August 2021 to August 2022,resulting in an improvement in significance of the detection in the Crab Nebula of approximately 15%,compared with that of previous *** the implementation of these new selection criteria,the angular resolution was also significantly improved by approximately 10%at tens of *** aspects of the full KM2A array performance,such as the pointing error,were also calibrated using the Crab *** resulting energy spectrum of the Crab Nebula in the energy range of 10-1000 TeV are well fitted by a log-parabola model,which is consistent with the previous results from LHAASO and other experiments.

关键词： γ-ray Crab Nebula significance

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Metal–Organic Gel Leading to Customized Magnetic‑Coupling Engineering in Carbon Aerogels for Excellent Radar Stealth and Thermal Insulation Performances

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Nano-Micro Letters 2024年第3期16卷 36-52页

作者： Xin Li Ruizhe Hu zhiqiang Xiong Dan wang zhixia zhang Chongbo Liu Xiaojun zeng Dezhi Chen Renchao Che Xuliang Nie Key Laboratory of jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong UniversityNanchang 330063People’s Republic of China School of Environmental and Chemical Engineering Nanchang Hangkong UniversityNanchang 330063People’s Republic of China Laboratory of Advanced Materials Department of Materials Science and Collaborative Innovation Center of Chemistry for Energy Materials and Collaborative Innovation Center of Chemistry for Energy MaterialsFudan UniversityShanghai 200438People’s Republic of China School of Materials Science and Engineering Jingdezhen Ceramic UniversityJingdezhen 333403People’s Republic of China College of Chemistry and Materials Jiangxi Agricultural UniversityNanchang 330045People’s Republic of China

Metal–organic gel(MOG)derived composites are promising multi-functional materials due to their alterable composition,identifiable chemical homogeneity,tunable shape,and porous ***,stable metal–organic hydrogels are prepared by regulating the complexation effect,solution polarity and curing ***,collagen peptide is used to facilitate the fabrication of a porous aerogel with excellent physical properties as well as the homogeneous dispersion of magnetic particles during ***,two kinds of heterometallic magnetic coupling systems are obtained through the application of Kirkendall ***/nitrogen-doped carbon(NC)aerogel demonstrates an ultra-strong microwave absorption of−85 dB at an ultra-low loading of 5%.After reducing the time taken by atom shifting,a FeCo/Fe3O4/NC aerogel containing virus-shaped particles is obtained,which achieves an ultra-broad absorption of 7.44 GHz at an ultra-thin thickness of 1.59 mm due to the coupling effect offered by dual-soft-magnetic ***,both aerogels show excellent thermal insulation property,and their outstanding radar stealth performances in j-20 aircraft are confirmed by computer simulation *** formation mechanism of MOG is also discussed along with the thermal insulation and electromagnetic wave absorption mechanism of the aerogels,which will enable the development and application of novel and lightweight stealth coatings.

关键词： Metal-organic gels Heterometallic magnetic coupling Radar stealth Thermal insulation Computer simulation technology

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全球变暖与城市

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气候变化研究进展 2024年第4期20卷 504-508页

作者：赵宗慈罗勇黄建斌清华大学地球系统科学系中国气象局国家气候中心中国科学院大学资源环境学院

城市(city)、城镇（town）和都市（urban）都是城市的考虑范围。城市的界定是一个复杂的问题，直到目前为止，没有一个确定城市边界的国际标准。一般以大量人居住与生活和工作的地方，政府、商业与运输的枢纽为城市，考虑“城市本身”...

城市(city)、城镇（town）和都市（urban）都是城市的考虑范围。城市的界定是一个复杂的问题，直到目前为止，没有一个确定城市边界的国际标准。一般以大量人居住与生活和工作的地方，政府、商业与运输的枢纽为城市，考虑“城市本身”“城市聚集”“大城市区”等作为界定。世界上超过一半人口生活在城市，处在气候变化的前沿。

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Spin order and dynamics in the topological rare-earth germanide semimetals

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Science China(Physics,Mechanics & Astronomy) 2024年

作者： Yuhao wang zhixuan zhen jing Meng Igor Plokhikh Delong Wu Dariusz j.Gawryluk Yang Xu Qingfeng zhan Ming Shi Ekaterina Pomjakushina Toni Shiroka Tian Shang Key Laboratory of Polar Materials and Devices (MOE) School of Physics and Electronic Science East China Normal University Laboratory for Multiscale Materials and Experiments Paul Scherrer Institut Center for Correlated Matter and School of Physics Zhejiang University Laboratory for Muon-Spin Spectroscopy Paul Scherrer Institut Laboratorium für Festk?rperphysik ETH Zürich

The REAl（Si,Ge）(RE = rare earth) family, known to break both the inversion-and time-reversal symmetries, represents one of the most suitable platforms for investigating the interplay between correlated-electron phenomena and topologically nontrivial ***, we report on systematic magnetic, transport, and muon-spin rotation and relaxation（μSR） measurements on（Nd,Sm）AlGe single crystals, which exhibit antiferromagnetic（AFM） transitions at TN= 6.1 and 5.9 K, respectively. In addition, NdAlGe undergoes also an incommensurate-to-commensurate ferrimagnetic transition at 4.5 K. Weak transverse-field μSR measurements confirm the AFM transitions, featuring a ～90% magnetic volume fraction. zero-field（zF） μSR measurements reveal a more disordered internal field distribution in NdAlGe than in SmAlGe, reflected in a larger transverse muon-spin relaxation rate λTat T

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云微物理参数化的改进及其对川藏铁路沿线降水的模拟优势

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中国科学：地球科学 2024年第3期54卷 874-891页

作者：徐晓齐衡志炜李跃清王顺久李建王元陈景华张佩文陆春松南京气象科技创新研究院中国气象局交通气象重点开放实验室南京210041 中国气象局成都高原气象研究所高原与盆地暴雨旱涝灾害四川省重点实验室成都610072 中国气象科学研究院灾害天气国家重点实验室北京100081 兰州大学西部生态安全省部共建协同创新中心兰州730000 南京信息工程大学中国气象局气溶胶与云降水重点开放实验室/气象灾害预报预警与评估协同创新中心南京210044

川藏铁路是我国铁路网的重要组成部分,该区域山洪、滑坡等地质灾害多发,而降水是诱发这些灾害的重要原因,因此该区域降水的准确模拟是至关重要的.本文改进了西南区域业务预报模式云微物理方案中不确定性较大的物理过程,包括云滴活化、... 详细信息

川藏铁路是我国铁路网的重要组成部分,该区域山洪、滑坡等地质灾害多发,而降水是诱发这些灾害的重要原因,因此该区域降水的准确模拟是至关重要的.本文改进了西南区域业务预报模式云微物理方案中不确定性较大的物理过程,包括云滴活化、云水自动转化、云雨碰并和混合蒸发过程.原方案中,不同大小的云水含量对应着相同的云滴浓度,与实际不符,造成云滴尺度过大,相关物理过程速率(比如云水自动转化率)过快,导致降水高估.新方案克服了云滴尺度过大的问题,云水自动转化和云雨碰并过程均与随机收集方程更为接近,云滴蒸发机制更符合云中实际物理过程.基于新旧方案,模拟了川藏铁路沿线2021年汛期的多次降水过程,利用地面观测和卫星反演资料,评估了模拟结果.新方案对云物理量的模拟变得更为合理,使原方案对液水路径和液滴半径的模拟偏差从2倍减少到1倍以内,并显著缓解了原方案对降水强度和范围的高估情况,降水的平均均方根误差减小22%.本文所得结果能够为提高模式在该区域预报降水和灾害防控能力提供科学参考.

关键词：川藏铁路云微物理降水模式改进

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Superexchange and charge transfer in the nickelate superconductor LaNiOunder pressure

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Science China(Physics,Mechanics & Astronomy) 2024年

作者： Wei Wu zhihui Luo Dao-Xin Yao Meng wang Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices Center for Neutron Science and Technology School of Physics Sun Yat-sen University

Recently,a bulk nickelate superconductor La3Ni2O7is discovered at pressures with a remarkable high transition temperature Tc～80 ***,we study a Hubbard model with tight-binding parameters derived from ab initio calculations of La3Ni2O7,by employing large scale determinant quantum Monte Carlo and cellular dynamical mean-field *** result suggests that the superexchange couplings in this system are comparable to that of *** system is a charge transfer insulator as the hole concentration becomes four per site at large Hubbard *** hole doping,two low-energy spin-singlet bands emerge in the system exhibiting distinct correlation properties:while the one composed of the out-of-plane Ni-d3z2-r2and O-pzorbitals demonstrates strong antiferromagnetic correlations and narrow effective bandwidth,the in-plane singlet band consisting of the Ni-dx2-y2and O-px/pyorbitals is in general more *** a broad range of hole doping,the doped holes occupy primarily the dx2-y2and px/pyorbitals,whereas the d3z2-r2and pzorbitals retain *** propose an effective t-j model to capture the relevant physics and discuss the implications of our result for comprehending the La3Ni2O7superconductivity.

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Encapsulated Fe(IV)Molecular Complex for Photoacoustic Imaging

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CCS Chemistry 2024年第5期6卷 1184-1197页

作者： Ye Xu Chao Li zhong-Yu Yu jiamin wang zhaoyang Liu Chao jiang zhen-Feng Chen Xiaoyu Wu Ming-Xing Li Hong Yang zhao-Xi wang jonathan L.Sessler Department of Chemistry Center for Supramolecular Chemistry and CatalysisInnovative Drug Research CenterShanghai UniversityShanghai 200444 College of Chemistry and Materials Science Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Frontiers Science Center of Biomimetic CatalysisShanghai Normal UniversityShanghai 200234 Sijing Community Health Service Center of Songjiang District Shanghai 201601 Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal UniversityGuilin 541004 Department of Chemistry The University of Texas at AustinAustinTexas 78712-1224

stable neutral Fe(IV)complex(Fe-HDCL),readily accessible on the g scale,was found to possess high water solubility and good stability(<5%degradation over 4 h upon photoirradiation).Fe-HDCL is green and absorbs light e... 详细信息

stable neutral Fe(IV)complex(Fe-HDCL),readily accessible on the g scale,was found to possess high water solubility and good stability(jecting Fe-HDCL to near-infrared 730 nm laser *** biological studies in vitro and in vivo confirmed that Fe-HDCL is biocompatible,clears readily,and allows the visual detection of blood *** subjecting mice to intravenous injection at low doses(e.g.,50μmol·kg^(−1)),Fe-HDCL also permits the photoacoustic(PA)imaging of kidneys and the evaluation of renal fibrosis in mouse *** addition,Fe-HDCL allows PA-based imaging of brain tissues,presumably reflecting its ability to pass through the blood-brain *** thus propose that Fe-HDCL has a role to play as PT agent and as a photodiagnostic.

关键词： stable Fe(IV)complex blood-brain barrier molecular cage photoacoustic imaging renal fibrosis

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Synthesis,Structure and Chemical Bonding of Polyantimony Clusters Containing Coinage Metals[M_(2)Sb_(14)]^(4-)(M=Cu,Ag)

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Chinese journal of Chemistry 2024年第6期42卷 617-622页

作者： Wei-Xing Chen Yu-He Xu Cui-Cui wang Lei Qiao zi-Yan Guo Wen-juan Tian zhong-Ming Sun State Key Laboratory of Element-Organic Chemistry Tianjin Key Lab for Rare Earth Materials and ApplicationsSchool of Materials Science and EngineeringNankai UniversityTianjin300350 China Institute of Molecular Science Shanxi UniversityTaiyuanShanxi030006 China

Binary polyantimony clusters,namely[Cu_(2)Sb_(14)]^(4–) and [Ag_(2)Sb_(14)]^(4–),containing coinage metals,were successfully synthesized and characterized,in which two homoatomic Sb73–subunits are bridged by two coinage metals in η^(4):η^(1) and η^(1):η^(1) coordination modes,***[M_(2)Sb_(14)]^(4-),two bridging Cu ions and two Sb atoms form a planar rhombic unit,which was revealed to have antiaromatic properties by theoretical *** electron structure and bonding analysis confirmed the presence of delocalized bonds in the rhombic unit and the metallophilic interaction between two formal M^(+) ions.

关键词： Polyantimony cluster Copper Silver Antiaromaticity Metallophilic interaction Quantum chemical calculations

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Impact of payment source, referral site, and place of residence on outcomes after allogeneic transplantation in Mexico

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World journal of Transplantation 2024年第2期14卷 76-87页

作者： Andrés Gómez-De León Yesica A López-Mora Valeria García-zárate Ana Varela-Constantino Sergio U Villegas-De Leon Xitlaly j González-Leal Raúl del Toro-Mijares Anna C Rodríguez-zúñiga juan F Barrios-Ruiz Victor Mingura-Ledezma Perla R Colunga-Pedraza Olga G Cantú-Rodríguez César H Gutiérrez-Aguirre Luz Tarín-Arzaga Elías E González-López David Gómez-Almaguer Hematology Service Universidad Autónoma de Nuevo LeónFacultad de Medicina y Hospital Universitario Dr.JoséEleuterio GonzálezMonterrey 64460Nuevo LeónMexico Hemato-logy Service Clínica Gómez AlmaguerMonterrey 64710Nuevo LeónMexico Hematology Service Instituto Tecnológico de Estudios Superiores de MonterreyTec SaludEscuela de Medicina Ignacio SantosMonterrey 64710Nuevo LeónMexico

BACKGROUND The impact of social determinants of health in allogeneic transplant recipients in low-and middle-income countries is poorly *** observational study analyzes the impact of place of residence,referring institution,and transplant cost coverage(out-of-pocket vs government-funded vs private insurance)on outcomes after allogeneic hematopoietic stem cell transplantation(alloHSCT)in two of Mexico's largest public and private *** To evaluate the impact of social determinants of health and their relationship with outcomes among allogeneic transplant recipients in *** In this retrospective cohort study,we included adolescents and adults≥16 years who received a matched sibling or haploidentical transplant from *** were selected without regard to their diagnosis and were sourced from both a private clinic and a public University Hospital in *** payment groups were compared:Out-of-pocket(OOP),private insurance,and a federal Universal healthcare program“Seguro Popular”.Outcomes were compared between referred and institution-diagnosed patients,and between residents of Nuevo Leon and *** outcomes included overall survival(OS),categorized by residence,referral,and payment *** outcomes encompassed early mortality,event-free-survival,graft-versus-host-relapse-free survival,and non-relapse-mortality(NRM).Statistical analyses employed appropriate tests,Kaplan-Meier method,and Cox proportional hazard regression *** software included SPSS and R with tidycmprsk *** Our primary outcome was overall *** included 287 patients,n=164 who lived out of state(57.1%),and n=129 referred from another institution(44.9%).The most frequent payment source was OOP(n=139,48.4%),followed by private insurance(n=75,26.1%)and universal coverage(n=73,25.4%).No differences in OS,event-free-survival,NRM,or graft-versus-host-relapse-free survival were observed for patients dia

关键词： Hematopoietic cell transplant Social determinants of health Geography Haploidentical Out-of-pocket Financial toxicity Survival Health services and outcomes Hematopoietic malignancy Aplastic anemia

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Ischemia-reperfusion injury:molecular mechanisms and therapeutic targets

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Signal Transduction and Targeted Therapy 2024年第2期9卷 558-596页

作者： Meng zhang Qian Liu Hui Meng Hongxia Duan Xin Liu jian Wu Fei Gao Shijun wang Rubin Tan jinxiang Yuan The Collaborative Innovation Center Jining Medical UniversityJiningShandong 272067China Clinical Medical College Jining Medical UniversityJiningShandong 272067China Second Clinical Medical College Jining Medical UniversityJiningShandong 272067China Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital and Institutes of Biomedical SciencesFudan UniversityShanghaiChina Institute of zoology Chinese Academy of SciencesBeijingChina Department of Physiology Basic medical schoolXuzhou Medical UniversityXuzhou 221004China

Ischemia-reperfusion(I/R)injury paradoxically occurs during reperfusion following ischemia,exacerbating the initial tissue *** limited understanding of the intricate mechanisms underlying I/R injury hinders the development of effective therapeutic *** Wnt signaling pathway exhibits extensive crosstalk with various other pathways,forming a network system of signaling pathways involved in I/R *** review article elucidates the underlying mechanisms involved in Wnt signaling,as well as the complex interplay between Wnt and other pathways,including Notch,phosphatidylinositol 3-kinase/protein kinase B,transforming growth factor-β,nuclear factor kappa,bone morphogenetic protein,N-methyl-D-aspartic acid receptor-Ca2+-Activin A,Hippo-Yes-associated protein,toll-like receptor 4/toll-interleukine-1 receptor domain-containing adapter-inducing interferon-β,and hepatocyte growth factor/mesenchymal-epithelial transition *** particular,we delve into their respective contributions to key pathological processes,including apoptosis,the inflammatory response,oxidative stress,extracellular matrix remodeling,angiogenesis,cell hypertrophy,fibrosis,ferroptosis,neurogenesis,and blood-brain barrier damage during I/R *** comprehensive analysis of the mechanisms involved in Wnt signaling during I/R reveals that activation of the canonical Wnt pathway promotes organ recovery,while activation of the non-canonical Wnt pathways exacerbates ***,we explore novel therapeutic approaches based on these mechanistic findings,incorporating evidence from animal experiments,current standards,and clinical *** objective of this review is to provide deeper insights into the roles of Wnt and its crosstalk signaling pathways in I/R-mediated processes and organ dysfunction,to facilitate the development of innovative therapeutic agents for I/R injury.

关键词： therapeutic reperfusion damage

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