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Laser direct writing of flexible multifunctional airflow sensors on the Kevlar fabric

Nano Research 2025年第1期18卷 443-454页

作者： Wei Wang Zi-Qing chen Yong-Qi Li yu-Long Wang Mei-chen Liu yun-Bo Ruan Yang Zhang Shu-Juan Liu Qiang Zhao College of Electronic and Optical Engineering and College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and TelecommunicationsNanjing 210023China Zhe Jiang Topsun Logistic Control CO. LTD.Yuhuan 317600China Department of Rehabilitation Medicine School of Acupuncture-Moxibustion and Tuina and School of Health Preservation and RehabilitationNanjing University of Chinese MedicineNanjing 210023China

The growing interest in flexible devices has emerged as a global trend due to their advantages in flexibility,lightweight structure,and wearability,addressing the limitations of traditional *** wearable airflow sensors have been previously reported,the development of flexible fabric-based airflow sensors capable of functioning in environments with open flames—critical for fire rescue operations—has yet to be explored,largely due to the poor fire resistance of conventional *** this work,we first present a flexible,wearable,and multifunctional airflow sensor with excellent fire-resistant properties,fabricated through a simple direct laser writing *** sensor maintains airflow detection capabilities even in the presence of open ***,the fabrication of fabric-based sensors involves complex procedures such as carbon materials doping or vapor-phase deposition,leading to lengthy preparation cycles and high ***,fabric-based devices are inherently prone to *** address these challenges,we introduce twice-vertical laser-induced graphene(TVLIG)as a sensitive and reliable component for fire-resistant airflow *** resulting TVLIG/Kevlar fabric can be integrated into various garments,particularly protective suits,to form sensitive and fire-resistant airflow sensors capable of detecting airflow velocity and direction in both two-dimensional(2D)and three-dimensional(3D)spaces during fire ***,the TVLIG patterns can be expanded to multifunctional platforms,such as glucose detection for injured individuals,offering further applications in rescue *** functional expansion reduces the burden on rescue personnel and streamlines device *** its outstanding sensing capabilities,fire resistance,and expandability,the developed flexible airflow sensor shows great potential for various real-world rescue scenarios,promising advancements in wearable sensing technology for rescue enginee

关键词： flexible airflow sensor direct laser writing twice-vertical laser-induced graphene fire accident rescue Kevlar fabric

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Recent Advances in Fibrous Materials for Hydroelectricity Generation

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Nano-Micro Letters 2025年第2期17卷 109-133页

作者： Can Ge Duo Xu Xiao Feng xing Yang Zheheng Song yuhang Song Jingyu chen Yingcun Liu Chong Gao Yong Du Zhe Sun Weilin Xu Jian Fang College of Textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern Silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of Textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China

Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been considered a promising strategy for mitigating the energy *** materials with unique flexibility,processability,multifunctionality,and practicability have been widely applied for fibrous materials-based hydroelectricity generation(FHG).In this review,the power generation mechanisms,design principles,and electricity enhancement factors of FHG are first ***,the fabrication strategies and characteristics of varied constructions including 1D fiber,1D yarn,2D fabric,2D membrane,3D fibrous framework,and 3D fibrous gel are ***,the advanced functions of FHG during water harvesting,proton dissociation,ion separation,and charge accumulation processes are analyzed in ***,the potential applications including power supply,energy storage,electrical sensor,and information expression are also ***,some existing challenges are considered and prospects for future development are sincerely proposed.

关键词： Hydroelectricity Fibrous material Streaming potential Ion diffusion

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涂层微磨具的磨损机理仿真与试验研究

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机械设计与制造 2020年第2期 1-5,9页

作者：谭学飞温雪龙于兴晨慕雅婧东北大学机械工程与自动化学院

阐明了涂层微磨具磨削过程中的磨粒磨损机制,建立未涂层微磨具单磨粒磨损数学模型,得到了磨损体积随时间变化的函数关系。并采用仿真和试验结合的方法研究了涂层与未涂层微磨具在相同条件下,分别改变磨削深度,磨削线速度观察相应磨削温... 详细信息

阐明了涂层微磨具磨削过程中的磨粒磨损机制,建立未涂层微磨具单磨粒磨损数学模型,得到了磨损体积随时间变化的函数关系。并采用仿真和试验结合的方法研究了涂层与未涂层微磨具在相同条件下,分别改变磨削深度,磨削线速度观察相应磨削温度,磨削力和磨损深度的变化。结果表明:随着磨削深度的增加,涂层与未涂层微磨具磨削温度,磨削力和磨损深度均显著增加;磨削线速度增大时,涂层和未涂层微磨具磨削力有减小的趋势而磨削温度和磨损深度增大,但与磨削深度的影响相比并不显著。上述研究为涂层微磨具的研究提供了理论和现实依据。

关键词：涂层微磨具磨损机理磨削力磨损深度

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Gradient‑Layered MXene/Hollow Lignin Nanospheres Architecture Design for Flexible and Stretchable Supercapacitors

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Nano-Micro Letters 2025年第2期17卷 447-462页

作者： Haonan Zhang cheng Hao Tongtong Fu Dian yu Jane Howe Kaiwen chen Ning Yan Hao Ren Huamin Zhai Jiangsu Provincial Key Lab of Sustainable Pulp and Paper Technology and Biomass Materials NanJing Forestry UniversityNanjing 210037People’s Republic of China Department of Chemical Engineering and Applied Chemistry University of Toronto200 College StreetTorontoON M5S 3E5Canada Department of Materials Science and Engineering University of Toronto184 College StreetTorontoON M5S 3E4Canada College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037People’s Republic of China

With the rapid development of flexible wearable electronics,the demand for stretchable energy storage devices has *** this work,a novel gradient-layered architecture was design based on single-pore hollow lignin nanospheres(HLNPs)-intercalated two-dimensional transition metal carbide(Ti_(3)C_(2)T_(x) MXene)for fabricating highly stretchable and durable *** depositing and inserting HLNPs in the MXene layers with a bottom-up decreasing gradient,a multilayered porous MXene structure with smooth ion channels was constructed by reducing the overstacking of MXene ***,the micro-chamber architecture of thin-walled lignin nanospheres effectively extended the contact area between lignin and MXene to improve ion and electron accessibility,thus better utilizing the pseudocapacitive property of *** these strategies effectively enhanced the capacitive performance of the *** addition,HLNPs,which acted as a protective phase for MXene layer,enhanced mechanical properties of the wrinkled stretchable electrodes by releasing stress through slip and deformation during the stretch-release cycling and greatly improved the structural integrity and capacitive stability of the *** electrodes and symmetric flexible all-solid-state supercapacitors capable of enduring 600%uniaxial tensile strain were developed with high specific capacitances of 1273 mF cm^(−2)(241 F g^(−1))and 514 mF cm^(−2)(95 F g^(−1)),***,their capacitances were well preserved after 1000 times of 600%stretch-release *** study showcased new possibilities of incorporating biobased lignin nanospheres in energy storage devices to fabricate stretchable devices leveraging synergies among various two-dimensional nanomaterials.

关键词： Hollow lignin nanospheres MXene Gradient-layered architecture Wrinkled electrodes Stretchable supercapacitors

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Single-cell omics: experimental workflow, data analyses and applications

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Science China Life Sciences 2025年第1期68卷 5-102页

作者： Fengying Sun Haoyan Li Dongqing Sun Shaliu Fu Lei Gu Xin Shao Qinqin Wang Xin Dong Bin Duan Feiyang xing Jun Wu Minmin Xiao Fangqing Zhao Jing-Dong J.Han Qi Liu Xiaohui Fan chen Li chenfei Wang Tieliu Shi Department of Clinical Laboratory the Affiliated Wuhu Hospital of East China Normal University (The Second People's Hospital of Wuhu City) Pharmaceutical Informatics Institute College of Pharmaceutical SciencesZhejiang University Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University) Ministry of EducationOrthopaedic DepartmentTongji HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Frontier Science Center for Stem Cells School of Life Sciences and TechnologyTongji University Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine Shanghai East HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Research Institute of Intelligent Computing Zhejiang Lab Shanghai Research Institute for Intelligent Autonomous Systems Center for Single-cell Omics School of Public HealthShanghai Jiao Tong University School of Medicine National Key Laboratory of Chinese Medicine Modernization Innovation Center of Yangtze River DeltaZhejiang University Center for Bioinformatics and Computational Biology Shanghai Key Laboratory of Regulatory Biologythe Institute of Biomedical Sciences and School of Life SciencesEast China Normal University Beijing Institutes of Life Science Chinese Academy of Sciences Peking-Tsinghua Center for Life Sciences Academy for Advanced Interdisciplinary StudiesCenter for Quantitative Biology (CQB)Peking University Zhejiang Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases Women's HospitalZhejiang University School of Medicine Key Laboratory of Advanced Theory and Application in Statistics and Data Science-MOE School of StatisticsEast China Normal University

Cells are the fundamental units of biological systems and exhibit unique development trajectories and molecular features. Our exploration of how the genomes orchestrate the formation and maintenance of each cell, and control the cellular phenotypes of various organismsis, is both captivating and intricate. Since the inception of the first single-cell RNA technology, technologies related to single-cell sequencing have experienced rapid advancements in recent years. These technologies have expanded horizontally to include single-cell genome, epigenome,proteome, and metabolome, while vertically, they have progressed to integrate multiple omics data and incorporate additional information such as spatial sc RNA-seq and CRISPR screening. Single-cell omics represent a groundbreaking advancement in the biomedical field,offering profound insights into the understanding of complex diseases, including cancers. Here, we comprehensively summarize recent advances in single-cell omics technologies, with a specific focus on the methodology section. This overview aims to guide researchers in selecting appropriate methods for single-cell sequencing and related data analysis.

关键词： single-cell sequencing genome epigenome proteomics metabolomics multimodal spatial transcriptomics CRISPR screening

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直流电路虚拟实验平台的研究——自组电势差计实验

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物理实验 2001年第11期21卷 16-18页

作者：邢昌玉陈实刘迎天津大学理学院天津300072 天津大学信息学院天津300072

以“自组电势差计实验”为对象 ,借助计算机图形学、虚拟现实和计算机仿真等新技术 ,进行了具有逼真视觉效果与精确实验结果的计算机虚拟实验平台系统的研究与尝试 .它可以使学生仿真地在计算机屏幕上完成实验的全部过程。

关键词：直流电路虚拟试验计算机仿真物理实验教学高校自组电势差计计算机辅助教学

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地下连续墙拼幅施工技术

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建筑技术 2019年第11期50卷 1384-1386页

作者：虞星晨吴程祎杨斌北京建工土木工程有限公司北京100015

在城市市区地铁车站施工过程中,由于市区地下管线网络错综复杂且种类繁多,既有的地下管线改迁是影响施工工期的关键因素.苏州轨道交通6号线工程VI-TS-07标段中新大道西站工程,因部分管线不能及时改迁,需进行原位保护,在管线所处位置的... 详细信息

在城市市区地铁车站施工过程中,由于市区地下管线网络错综复杂且种类繁多,既有的地下管线改迁是影响施工工期的关键因素.苏州轨道交通6号线工程VI-TS-07标段中新大道西站工程,因部分管线不能及时改迁,需进行原位保护,在管线所处位置的地下连续墙使用拼幅施工技术,节约了工期,加快了施工进度.

关键词：管线保护地下连续墙拼幅钢筋笼吊装

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基于模糊数学的金属矿山尾矿库安全管理水平综合评价

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资源与产业 2016年第4期18卷 19-23页

作者：朱欣荣吕力行陈娱昆明理工大学国土资源工程学院云南昆明650093

通过对金属矿山尾矿库安全管理水平评价因素的研究,建立金属矿山尾矿库安全管理水平评价指标体系,确定了组织管理水平、制度实施水平、日常管理水平3个一级指标以及安全管理及技术人员、尾矿库内部安全规则、重点部位的监测等12个二级... 详细信息

通过对金属矿山尾矿库安全管理水平评价因素的研究,建立金属矿山尾矿库安全管理水平评价指标体系,确定了组织管理水平、制度实施水平、日常管理水平3个一级指标以及安全管理及技术人员、尾矿库内部安全规则、重点部位的监测等12个二级指标。运用专家打分法确定了尾矿库安全管理水平各层评价指标的权重以及第3层次的模糊关系综合矩阵,建立了模糊综合评价量化模型。最后对某尾矿库的安全管理水平进行等级划分及评价计算,对量化指标的合理性进行了验证,研究结果对于提升金属矿山尾矿库的安全管理水平具有参考价值和指导作用。

关键词：尾矿库模糊数学层次分析法定量分析安全管理安全评价

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MicroRNA-150水平与原发性肝癌手术预后的关系

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中国现代医学杂志 2021年第16期31卷 12-16页

作者：吴娜娜陈星宇姚辉华王忠福成都市第一人民医院肿瘤二科四川成都610041 成都市第一人民医院胃肠疝外科四川成都610041 成都市第一人民医院介入血管外科四川成都610041

目的分析血清microRNA-150(miR-150)水平与原发性肝癌(PHC)手术预后的关系。方法选取2016年1月—2018年1月在成都市第一人民医院接受手术治疗的PHC患者80例作为PHC组。另选取同期该院健康体检者80例作为对照组。采用qRT-PCR检测血清miR-... 详细信息

目的分析血清microRNA-150(miR-150)水平与原发性肝癌(PHC)手术预后的关系。方法选取2016年1月—2018年1月在成都市第一人民医院接受手术治疗的PHC患者80例作为PHC组。另选取同期该院健康体检者80例作为对照组。采用qRT-PCR检测血清miR-150水平,以miR-150相对表达量0.42作为分界值,将PHC组分为高表达组和低表达组,分别有48例和32例。分析miR-150水平与PHC患者临床特征及预后的关系。结果PHC组术前血清miR-150相对表达量较对照组低(P0.05)。低表达组3年累积生存率较高表达组低(P<0.05)。多因素Cox回归模型分析结果显示,miR-150低表达[HR^(^)=3.065(95%CI:1.196,4.978),P<0.05]、肿瘤直径≥5 cm[HR^(^)=2.046(95%CI:0.429,3.062),P<0.05]、TNM分期Ⅲ期和Ⅳ期[HR^(^)=1.902(95%CI:1.003,3.257),P<0.05]、肝硬化[HR^(^)=0.395(95%CI:0.225,0.763),P<0.05]、转移[HR^(^)=0.446(95%CI:0.198,0.857),P<0.05]、AFP≥25 ng/ml[HR^(^)=0.489(95%CI:0.206,0.983),P<0.05]及伴有门脉癌栓[HR^(^)=0.465(95%CI:0.227,0.863),P<0.05]是影响PHC患者3年生存率的独立因素。结论miR-150在PHC患者中低表达,与患者预后、组织分化程度、TNM分期等密切相关,有望成为评估PHC患者预后的新型分子标志物。

关键词：肝肿瘤 miR-150/微RNAs 预后

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空间桁架结构的设计控制承载力方法研究——Compact Procedure Method的应用

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空间结构 2016年第4期22卷 3-11页

作者：闫星宇陈志华大森博司杨姝姮天津大学建筑工程学院天津300072 名古屋大学环境学研究科日本名古屋市4600002

近年来由于计算机技术在结构优化中的应用得到飞速发展,设计者可以轻松得到优化程度很高的结构设计.但是从结构的极限安全角度来看,这样的优化分析很容易导致结构缺少冗余度.与通常的框架结构不同,空间结构能够在使用少量材料的情况下... 详细信息

近年来由于计算机技术在结构优化中的应用得到飞速发展,设计者可以轻松得到优化程度很高的结构设计.但是从结构的极限安全角度来看,这样的优化分析很容易导致结构缺少冗余度.与通常的框架结构不同,空间结构能够在使用少量材料的情况下得到无柱大空间.这样的结构通常会被设计为主要通过构件轴力来抵抗设计荷载,而结构整体则容易表现为脆性行为并趋向于发生脆性破坏.由于主要是通过构件内弯矩来抵抗外荷载,框架结构则趋向于发生韧性破坏.因此我们应当集中更多的注意力到有效率的大型空间结构设计上.对于评价结构是否高效,结构冗余度是一个非常重要的概念,然而很难对此概念本身作出定量评估,而其中结构最大承载力可以作为评价结构冗余度的一个依据.本文将给出一个简单的计算方法(Compact Procedure Method)来获得空间结构的极限荷载系数.这个方法基于线性规划法,不需要进行复杂的弹塑性分析便可获得结构的最大荷载系数.通过数值分析与传统的结构分析方法相比,该方法的正确性和有效性得到了验证.

关键词：空间桁架结构 Compact Procedure Method 破坏分析线性规划单纯形法

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