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Facile synthesis of nanoparticles-stacked Co_(3)O_(4)nanoflakes with catalase-like activity for accelerating wound healing

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Regenerative Biomaterials 2024年第3期3卷 82-91页

作者： Yanan Huang Wanyi liao Wenxuan Wang Tingting Zhang Yan Zhang Lei Lu school and Hospital of Stomatology Wenzhou Medical UniversityWenzhou 325027China sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs School of Life Science and EngineeringSouthwest jiaotong UniversityChengdu 610031China Key Lab of Advanced Technology of Materials of Education Ministry School of Materials Science and EngineeringSouthwest jiaotong UniversityChengdu 610031China school of Chemistry Southwest Jiaotong UniversityChengduSichuan 610031China

Delayed wound healing caused by excessive reactive oxygen species(Ros)remains a considerable *** recent years,metal oxide nanozymes have gained significant attention in biomedical ***,a comprehensive investigation of Co_(3)O_(4)-based nanozymes for enhancing wound healing and tissue regeneration is *** study focuses on developing a facile synthesis method to produce high-stability and costeffective Co_(3)O_(4)nanoflakes(NFs)with promising catalase(CAT)-like activity to regulate the oxidative microenvironment and accelerate wound *** closely arranged Co_(3)O_(4)nanoparticles(NPs)within the NFs structure result in a significantly larger surface area,thereby amplifying the enzymatic activity compared to commercially available Co_(3)O_(4)*** physiological conditions,itwas observed that CogO,NFs efficientlybreak down hydrogen peroxide(H_(2)O_(2))without generating harmful radicals(OH).Moreover,they exhibit excellent compatibility with various cells involved in wound healing,promoting fibroblast growth and protecting cells from oxidatives *** a ratmodel,Co_(3)O_(4) NFs facilitate both the hemostatic and proliferative phases of wound healing,consequently accelerating the ***,thepromising results of Co_(3)O_(4)NFs highlight their potential in promoting wound healing and tissue regeneration.

关键词： Co_(3)O_(4) nanoflake nanozyxygen species wound healing

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A Privacy Preservation Method for Attributed Social Network Based on Negative Representation of Information

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Computer Modeling in Engineering & Sciences 2024年第7期140卷 1045-1075页

作者： Hao Jiang Yuerong liao Dongdong Zhao Wenjian Luo Xingyi Zhang Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education School of Computer Science and TechnologyAnhui UniversityHefei230601China Chongqing Research Institute School of Computer Science and Artificial IntelligenceWuhan University of TechnologyWuhan430070China Guangdong Provincial Key Laboratory of Novel Security Intelligence Technologies School of Computer Science and TechnologyHarbin Institute of TechnologyShenzhen518055China

Due to the presence of a large amount of personal sensitive information in social networks,privacy preservation issues in social networks have attracted the attention of many *** by the self-nonself discrimination paradigmin the biological immune system,the negative representation of information indicates features such as simplicity and efficiency,which is very suitable for preserving social network ***,we suggest a method to preserve the topology privacy and node attribute privacy of attribute social networks,called ***,a negative survey-based method is developed to disturb the relationship between nodes in the social network so that the topology structure can be kept ***,a negative database-based method is proposed to hide node attributes,so that the privacy of node attributes can be preserved while supporting the similarity estimation between different node attributes,which is crucial to the analysis of social *** evaluate the performance of the AttNetNRI,empirical studies have been conducted on various attribute social networks and compared with several state-of-the-art methods tailored to preserve the privacy of social *** experimental results show the superiority of the developed method in preserving the privacy of attribute social networks and demonstrate the effectiveness of the topology disturbing and attribute hiding *** experimental results show the superiority of the developed methods in preserving the privacy of attribute social networks and demonstrate the effectiveness of the topological interference and attribute-hiding components.

关键词： Attributed social network topology privacy node attribute privacy negative representation of information negative survey negative database

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Nest complexity correlates with larger brain size but smaller body mass across bird species

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Integrative Zoology 2024年第3期19卷 496-504页

作者： Shaobin LI Yuxin LIU Xiaolong DU Guopan LI Wenbo liao College of Life Science Yangtze UniversityJingzhouChina Key Laboratory of Southwest China Wildlife Resources Conservation(Ministry of Education) China West Normal UniversityNanchongChina

Amniotes differ substantially in absolute and relative brain size after controlling for allometry,and numerous hypotheses have been proposed to explain brain size *** size is thought to correlate with processing capacity and the brain’s ability to support complex manipulation such as nest-building *** increased complexity of nest structure is supposed to be a measure of an ability to manipulate nesting material into the required *** degree of nest-structure complexity is also supposed to be associated with body mass,partly because small species lose heat faster and delicate and insulated nests are more crucial for temperature control of eggs during incubation by small ***,we conducted comparative analyses to test these hypotheses by investigating whether the complexity of species-typical nest structure can be explained by brain size and body mass(a covariate also to control for allometric effects on brain size)across 1353 bird species from 147 *** with these hypotheses,our results revealed that avian brain size increases as the complexity of the nest structure increases after controlling for a significant effect of body size,and also that a negative relationship exists between nest complexity and body mass.

关键词： body size brain size comparative analysis nest building nest type reproductive investment

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Optimization of microstructure design for enhanced sensing performance in flexible piezoresistive sensors

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Journal of Advanced Ceramics 2024年第6期13卷 711-728页

作者： Xinghao Fan Hailong Hu Bin liao Yaqi Zhang Fan Zhang School of Minerals Processing and Bioengineering Central South UniversityChangsha 410083China Research Institute of Aerospace Technology Central South UniversityChangsha 410083China

Flexible piezoresistive strain sensors have received significant attention due to their diverse applications in monitoring human activities and health,as well as in robotics,prosthetics,and human–computer interaction *** the various flexible sensor types,those with microstructure designs are considered promising for strain sensing due to their simple structure,high sensitivity,extensive operational range,rapid response time,and robust *** review provides a concise overview of recent advancements in flexible piezoresistive sensors based on microstructure design for enhanced strain sensing performance,including the impact of microstructure on sensing mechanisms,classification of microstructure designs,fabrication methods,and practical ***,this review delves into the analysis of piezoresistive sensor sensing mechanisms and performance parameters,exploring the relationship between microstructure design and performance ***,an in-depth discussion is presented,focusing on the primary themes of microstructure design classification,process selection,performance characteristics,and specific *** review employs mathematical modeling and hierarchical analysis to emphasize the directionality of different microstructures on performance enhancement and to highlight the performance advantages and applicable features of various microstructure *** conclusion,this review examines the multifunctionality of flexible piezoresistive sensors based on microstructure design and addresses the challenges that still need to be overcome and improved,such as achieving a wide range of stretchability,high sensitivity,and robust *** review summarizes the research directions for enhancing sensing performance through microstructure design,aiming to assist in the advancement of flexible piezoresistive sensors.

关键词： microstructure design sensing performance flexible piezoresistive strain sensors microsensing mechanism

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NFT Security Matrix:Towards Modeling NFT Ecosystem Threat

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Computer Modeling in Engineering & Sciences 2024年第6期139卷 3255-3285页

作者： Peng liao Chaoge Liu Jie Yin Zhi Wang Xiang Cui Key Laboratory of Trustworthy Distributed Computing and Service Beijing University of Posts and TelecommunicationsBeijing100876China Zhongguancun Laboratory Beijing100094China Institute of Information Engineering Chinese Academy of SciencesBeijing100085China

Digital assets have boomed over the past few years with the emergence of Non-fungible Tokens(NFTs).To be specific,the total trading volume of digital assets reached an astounding$55.5 billion in ***,numerous security concerns have been raised by the rapid expansion of the NFT *** holders are exposed to a plethora of scams and traps,putting their digital assets at risk of being ***,academic research on NFT security is scarce,and the security issues have aroused rare *** this study,the NFT ecological process is comprehensively *** process falls into five different stages encompassing the entire lifecycle of ***,the security issues regarding the respective stage are elaborated and analyzed in depth.A matrix model is proposed as a novel contribution to the categorization of NFT security *** data are collected from social networks,the Ethereum blockchain,and NFT markets to substantiate our claims regarding the severity of security concerns in the NFT *** this comprehensive dataset,nine key NFT security issues are identified from the matrix model and then subjected to qualitative and quantitative *** study aims to shed light on the severity of NFT ecosystem security *** findings stress the need for increased attention and proactive measures to safeguard the NFT ecosystem.

关键词： Non-fungible token blockchain cyber security

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Multiplicity of solutions for the semilinear subelliptic Dirichlet problem

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Science China Mathematics 2024年第3期67卷 475-504页

作者： Hua Chen Hong-Ge Chen Jin-Ning Li Xin liao School of Mathematics and Statistics Wuhan UniversityWuhan 430072China Wuhan Institute of Physics and Mathematics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China

In this paper,we study the semilinear subelliptic equation{−△Xu=f(x,u)+g(x,u)inΩ,u=0 on∂Ω,where△X=−∑m i=1 Xi∗Xi is the self-adjoint Hormander operator associated with the vector fields X=(X_(1),X_(2),...,X_(m))satisfying the Hormander's condition,f(x,u)∈C(Ω×R),g(x,u)is a Carathéodory function onΩ×R,andΩis an open bounded domain in R~n with smooth *** the perturbation from the symmetry method with the approaches involving the eigenvalue estimate and the Morse index in estimating the minimax values,we obtain two kinds of existence results for multiple weak solutions to the problem ***,we discuss the difference between the eigenvalue estimate approach and the Morse index approach in degenerate *** with the classical elliptic cases,both approaches here have their own strengths in the degenerate *** new phenomenon implies that the results in general degenerate cases would be quite different from the situations in classical elliptic cases.

关键词： degenerate elliptic equations Hormander operators perturbation method Morse index

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Double integral-enhanced Zeroing neural network with linear noise rejection for time-varying matrix inverse

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CAAI Transactions on Intelligence Technology 2024年第1期9卷 197-210页

作者： Bolin liao Luyang Han Xinwei Cao Shuai Li Jianfeng Li College of Computer Science and Engineering Jishou UniversityJishouChina School of Management Shanghai UniversityShanghaiChina School of Engineering Swansea UniversitySwanseaUK

In engineering fields,time-varying matrix inversion(TVMI)issue is often *** neural network(ZNN)has been extensively employed to resolve the TVMI ***,the original ZNN(OZNN)and the integral-enhanced ZNN(IEZNN)usually fail to deal with the TVMI problem under unbounded noises,such as linear ***,a neural network model that can handle the TVMI under linear noise interference is urgently *** paper develops a double integral-enhanced ZNN(DIEZNN)model based on a novel integral-type design formula with inherent linear-noise ***,its convergence and robustness are verified by deriva-tion *** comparison and verification,the OZNN and the IEZNN models are adopted to resolve the TVMI under multiple identical noise *** experi-ments proved that the DIEZNN model has excellent advantages in solving TVMI problems under linear *** general,the DIEZNN model is an innovative work and is proposed for the first ***,the errors of DIEZNN are always less than 1�10−3 under linear noises,whereas the error norms of OZNN and IEZNN models are not convergent to *** addition,these models are applied to the control of the controllable permanent magnet synchronous motor chaotic system to indicate the superiority of the DIEZNN.

关键词： neural network real-time systems

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表面活性剂对HEDP镀铜层致密度的影响

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电镀与精饰 2020年第3期42卷 12-17页

作者：文庆杰彭华领稽海廖志祥成都飞机工业(集团)有限责任公司四川成都610091 南昌航空大学轻合金加工科学与技术国防重点学科实验室江西南昌330063

研究了表面活性剂对HEDP镀铜层致密度的影响。采用线性电位扫描法研究了铜电沉积的电化学行为,分别测试了镀液和基体之间的接触角、镀层的粗糙度,表征了表面活性剂的润湿及整平能力,采用XRD分析了镀层的晶粒尺寸。结果表明:表面活性剂... 详细信息

研究了表面活性剂对HEDP镀铜层致密度的影响。采用线性电位扫描法研究了铜电沉积的电化学行为,分别测试了镀液和基体之间的接触角、镀层的粗糙度,表征了表面活性剂的润湿及整平能力,采用XRD分析了镀层的晶粒尺寸。结果表明:表面活性剂能够增大阴极极化,并具有整平作用。且随表面活性剂含量的增加,镀液与基体表面的接触角减小,镀层无针孔,粗糙度降低并具有很高的致密度。当表面活性剂与阴极移动同时作用,镀层厚度8μm时孔隙率便可下降为0。XRD结果显示,铜镀层晶粒尺寸为47.6 nm,在(111)晶面获得高择优取向。

关键词：羟基乙叉二膦酸表面活性剂阴极移动孔隙率

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Assessing the efficacy and safety of gemcitabine-induced thrombocytopenia/neutropenia and thrombocytopenia interventions in zebrafish

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Journal of Genetics and Genomics 2024年第9期51卷 970-973页

作者： Jialong Deng Ziyuan Zhou Wangjun liao Qing Lin Yiyue Zhang Innovation Centre of Ministry of Education for Development and Diseases School of MedicineSouth China University of TechnologyGuangzhouGuangdong 510006China Department of Hematology The Sixth Affiliated HospitalSchool of MedicineSouth China University of TechnologyFoshanGuangdong 528200China Department of Oncology Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China

Cancer is a major global health issue;in 2020,there were 19.29 million new cancer cases and 9.96 million cancer deaths worldwide(Siegel et al.,2023).Despite ongoing research,chemotherapy remains the primary treatment due to its broad anti-cancer effects(Marra and Curigliano,2021).However,intravenous chemotherapeutic drugs commonly induce hematotoxicity,necessitating dose adjustments or treatment ***-induced thrombocytopenia(CIT)and neutropenia(CIN)are the primary manifestations of chemotherapy-induced hematotoxicity,which requires intervention due to the heightened risk of bleeding and infection(Blayney and Schwartzberg,2022).Currently,there are no FDA-approved treatments for CIT(Song and Al-Samkari,2023).While a CIT mouse model using 5-FU has been developed for drug evaluation(Shin et al.,2023),it lacks a comprehensive hematotoxicity assessment and the benefits of high throughput,cost-effectiveness,and ***,it is urgent to develop a high-throughput CIT model for risk assessment and safer chemotherapy strategies with clinical potential.

关键词： chemotherapy treatment visibility

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A survey on dynamic graph processing on GPUs: concepts, terminologies and systems

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Frontiers of Computer Science 2024年第4期18卷 1-23页

作者： Hongru GAO Xiaofei liao Zhiyuan SHAO Kexin LI Jiajie CHEN Hai JIN National Engineering Research Center for Big Data Technology and System/Services Computing Technology and System Lab/Cluster and Grid Computing Lab School of Computer Science and TechnologyHuazhong University of Science and TechnologyWuhan 430074China Zhejiang Lab Hangzhou 311121China

Graphs that are used to model real-world entities with vertices and relationships among entities with edges,have proven to be a powerful tool for describing real-world problems in *** most real-world scenarios,entities and their relationships are subject to constant *** that record such changes are called dynamic *** recent years,the widespread application scenarios of dynamic graphs have stimulated extensive research on dynamic graph processing systems that continuously ingest graph updates and produce up-to-date graph analytics *** the scale of dynamic graphs becomes larger,higher performance requirements are demanded to dynamic graph processing *** the massive parallel processing power and high memory bandwidth,GPUs become mainstream vehicles to accelerate dynamic graph processing ***-based dynamic graph processing systems mainly address two challenges:maintaining the graph data when updates occur(i.e.,graph updating)and producing analytics results in time(i.e.,graph computing).In this paper,we survey GPU-based dynamic graph processing systems and review their methods on addressing both graph updating and graph *** comprehensively discuss existing dynamic graph processing systems on GPUs,we first introduce the terminologies of dynamic graph processing and then develop a taxonomy to describe the methods employed for graph updating and graph *** addition,we discuss the challenges and future research directions of dynamic graph processing on GPUs.

关键词： dynamic graphs graph processing graph algorithms GPUs

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