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Characterization of Avian Influenza A(H7N9) Virus Prevalence in Humans and Poultry in Huai′an,China：Molecular Epidemiology,Phylogenetic,and Dynamics Analyses

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Biomedical and Environmental Sciences 2016年第10期29卷 742-753页

作者： yaNG Peng Fei yaN Qing Li LIU Chun Cheng xing ya dong ZHANG Min Hui GAO Qiang YU Hao yaO Hai Bo HE Nan Jiang Huai'an Center for Disease Control and Prevention Huai'an 223001 Jiangsu China Hongzhe County Disease Control and Prevention Huai'an 223199 Jiangsu China

Objective To trace the source of human H7N9 cases in Huai＇an and elucidate the genetic characterization of Huai＇an strains associated with both humans and birds in live poultry *** An enhanced surveillance was implemented when the first human H7N9 case was confirmed in Huai＇*** specimens,cloacal swabs,and fecal samples were collected and screened by real-time reverse transcription-polymerase chain reaction（RT-PCR） for H7N9 *** positive samples were subjected to further RT-PCR and genome *** phylodynamic patterns of H7N9 virus within and separated from Huai＇an and evolutionary dynamics of the virus were *** Six patients with H7N9 infection were previously exposed to live poultry market and presented symptoms such as fever（〉38.0 °C） and *** of this study support the hypothesis that live poultry markets were the source of human H7N9 *** analysis revealed that all novel H7N9 viruses,including Huai＇an strains,could be classified into two distinct clades,A and ***,the diversified H7N9 virus circulated in live poultry markets in Huai＇***,the common ancestors of the Huai＇an H7N9 virus existed in January *** mean nucleotide substitution rates for each gene segment of the H7N9 virus were（3.09-7.26）×10-3 substitutions/site per year（95% HPD：1.72×10-3 to 1.16×10-2）.Conclusion Overall,the source of exposure of human H7N9 cases in Huai＇an was live poultry market,and our study highlights the presence of divergent genetic lineage of H7N9 virus in both humans and poultry specimens in Huai＇an.

关键词： Molecular epidemiology H7N9 Virus Phylogenetic tree Phylodynamic analysis

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Graphene Aerogel Composites with Self‑Organized Nanowires‑Packed Honeycomb Structure for Highly Efficient Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第2期17卷 533-547页

作者： Xiao You Huiying Ouyang Ruixiang Deng Qiuqi Zhang Zhenzhong xing Xiaowu Chen Qingliang Shan Jinshan yang Shaoming dong State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Key Laboratory of Inorganic Coating Materials CAS Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Structural Ceramics and Composites Engineering Research Center Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049People’s Republic of China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210People’s Republic of China School of Materials Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China University of Chinese Academy of Sciences Beijing 100039People’s Republic of China

With vigorous developments in nanotechnology,the elaborate regulation of microstructure shows attractive potential in the design of electromagnetic wave ***,a hierarchical porous structure and composite heterogeneous interface are constructed successfully to optimize the electromagnetic loss *** macro–micro-synergistic graphene aerogel formed by the ice template‑assisted 3D printing strategy is cut by silicon carbide nanowires(SiC_(nws))grown in situ,while boron nitride(BN)interfacial structure is introduced on graphene *** unique composite structure forces multiple scattering of incident EMWs,ensuring the combined effects of interfacial polarization,conduction networks,and magnetic-dielectric ***,the as-prepared composites present a minimum reflection loss value of−37.8 dB and a wide effective absorption bandwidth(EAB)of 9.2 GHz(from 8.8 to 18.0 GHz)at 2.5 ***,relying on the intrinsic high-temperature resistance of SiC_(nws) and BN,the EAB also remains above 5.0 GHz after annealing in air environment at 600℃ for 10 h.

关键词： Hierarchical porous structure Interface High-temperature resistance Graphene aerogel composites Electromagnetic wave absorption

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超声法提取葛根素条件的优化

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现代预防医学 2014年第15期41卷 2729-2731页

作者：邢亚东杨鹏飞淮安市疾病预防控制中心

目的优化超声法提取葛根素的条件。方法应用SPASS19.0软件对影响超声法的因素:葛根粉粒度、乙醇浓度及超声时间等进行正交设计,对数据进行分析综合优化葛根素的提取条件,并利用HPLC测定提取液中葛根素的含量。结果超声法提取葛根素的最... 详细信息

目的优化超声法提取葛根素的条件。方法应用SPASS19.0软件对影响超声法的因素:葛根粉粒度、乙醇浓度及超声时间等进行正交设计,对数据进行分析综合优化葛根素的提取条件,并利用HPLC测定提取液中葛根素的含量。结果超声法提取葛根素的最佳条件为:葛根粉粒度为100目,50%的乙醇,超声时间为30 min。结论优化后的超声法提取葛根素简单,方便,效率高,可用于生产。

关键词：葛根素超声提取正交设计

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一种适用于FPGA实现的盲均衡算法

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通信学报 2001年第8期22卷 108-112页

作者：赵雅兴刘栋张宁天津大学天津300072

本文提出一种适用于ＰＡＭ和ＱＡＭ调制信号的主副抽头分别调整变步长的盲均衡算法，并使用Ａｌｔｅｒａ公司的ＦＰＧＡ器件实现。理论分析和计算机模拟表明此盲均衡算法的收敛性能及误码性能均优于ＣＭＡ算法，是一种很实用的均衡算法。

关键词：盲均衡算法 FPGA 集成电路

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Small extracellular vesicles derived from human induced pluripotent stem cell-differentiated neural progenitor cells mitigate retinal ganglion cell degeneration in a mouse model of optic nerve injury

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Neural Regeneration Research 2025年第2期20卷 587-597页

作者： Tong Li Hui-Min xing Hai-dong Qian Qiao Gao Sheng-Lan Xu Hua Ma Zai-Long Chi State Key Laboratory of Ophthalmology Optometry and Visual ScienceEye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina National Clinical Research Center for Ocular Diseases Eye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina

Several studies have found that transplantation of neural progenitor cells(NPCs)promotes the survival of injured ***,a poor integration rate and high risk of tumorigenicity after cell transplantation limits their clinical *** extracellular vesicles(sEVs)contain bioactive molecules for neuronal protection and *** studies have shown that stem/progenitor cell-derived sEVs can promote neuronal survival and recovery of neurological function in neurodegenerative eye diseases and other eye *** this study,we intravitreally transplanted sEVs derived from human induced pluripotent stem cells(hiPSCs)and hiPSCs-differentiated NPCs(hiPSC-NPC)in a mouse model of optic nerve *** results show that these intravitreally injected sEVs were ingested by retinal cells,especially those localized in the ganglion cell *** with hiPSC-NPC-derived sEVs mitigated optic nerve crush-induced retinal ganglion cell degeneration,and regulated the retinal microenvironment by inhibiting excessive activation of *** analysis further revealed that hiPSC-NPC derived sEVs transported neuroprotective and anti-inflammatory miRNA cargos to target cells,which had protective effects on RGCs after optic nerve *** findings suggest that sEVs derived from hiPSC-NPC are a promising cell-free therapeutic strategy for optic neuropathy.

关键词： exosome miRNA neural progenitor cell neurodegeneration neuroinflammation neuroprotection optic nerve crush optic neuropathy retinal ganglion cell small extracellular vesicles

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A low redox potential and long life organic anode material for sodium-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 557-564页

作者： Zhi Li yang Wei Kang Zhou Xin Huang xing Zhou Jie Xu Taoyi Kong Junwei Lucas Bao Xiaoli dong Yonggang Wang Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Institute of New Energy Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fudan University Department of Chemistry Boston College School of Materials Science and Engineering Anhui University of Technology

Sodium-ion batteries （SIBs） with organic electrodes are an emerging research direction due to the sustainability of organic materials based on elements like C,H,O,and sodium ***,organic electrode materials for SIBs are mainly used as cathodes because of their relatively high redox potentials（>1 V）.Organic electrodes with low redox potential that can be used as anode are ***,a novel organic anode material （tetrasodium 1,4,5,8-naphthalenetetracarboxylate,Na4TDC） has been developed with low redox potential （<0.7 V） and excellent cyclic *** three-sodium storage mechanism was demonstrated with various in-situ/ex-situ spectroscopy and theoretical calculations,showing a high capacity of 208 mAh/g and an average decay rate of merely 0.022%per ***,the Na4TDC-hard carbon composite can further acquire improved capacity and cycling stability for 1200 cycles even with a high mass loading of up to 20 mg *** pairing with a thick Na3V2（PO4）3cathode (20.6 mg cm-2),the as-fabricated full cell exhibited high operating voltage （2.8 V）,excellent rate performance and cycling stability with a high capacity retention of 88.7% after 200 cycles,well highlighting the Na4TDC anode material for SIBs.

关键词： Organic anode material Low redox potential Composite anode Sodium-ion batteries

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Enhanced rate capability and cycle stability of Ti2C MXene for sodium storage through an aniline molecules welding strategy

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Tungsten 2025年第1期7卷 161-171页

作者： Hao Chen ya-Qin Wang dong-Ting Zhang Bei Zhao Min-Peng Li Chen-yang Li Tian-Peng Xu Mao-Cheng Liu State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals Lanzhou University of Technology School of Materials Science and Engineering Lanzhou University of Technology School of Computer and Communication Technology Lanzhou University of Technology

MXenes obtained significant attention in the field of energy storage devices due to their characteristic layered structure,modifiable surface functional groups,large electrochemically active surface,and regulable interlayer ***,the self-restacking and sluggish ions diffusion kinetics performance of MXenes during the alkali metal ions insertion/extraction process severely impedes their cycle stability and rate *** paper proposes an aniline molecule welding strategy for welding p-phenylenediamine（PPDA） into the interlayers of Ti2C through a dehydration condensation *** welded PPDA molecules can contribute pillar effect to the layered structure of *** pillar effect effectively maintains the structural stability during the sodium ions insertion/extraction process and effectively expands the interlayer spacing of Ti2C from 1.16 to 1.38 nm,thereby enhancing ions diffusion kinetics performance and improving the long-term cycle *** Ti2C-PPDA demonstrates outstanding Na+storage capability,exhibiting a specific capacity of 100.2 mAh·g-1at a current density of 0.1 A·g-1over 960 cycles and delivering a remarkable rate capability 81.2 mAh·g-1at a current density of 5 A·*** study demonstrates that expanding interlayer spacing is a promising strategy to enhance the Na+storage capacity and improve long-term cycling stability,which provides significant guidance for the design of two-dimensional Na+storage materials with high-rate capability and cycle stability.

关键词： Diffusion kinetics Expanding interlayer spacing Rate capability Sodium ions storage Ti2C

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锰锌铁氧体制备工艺及其对磁性玻璃陶瓷性能的影响

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功能材料 2013年第7期44卷 1015-1019页

作者：李光大冯书营赵三团梁高峰麻开旺董看看邢亚东河南科技大学医学技术与工程学院河南洛阳471003 河南科技大学材料科学与工程学院河南洛阳471003

采用氧化物煅烧法、共沉淀法和溶胶-凝胶法制备锰锌铁氧体前驱体,并将其与生物玻璃陶瓷复合,制备磁性玻璃陶瓷。研究了不同工艺制备的铁氧体对材料磁性、生物活性和细胞亲和性的影响。结果表明,充磁至7.96×105 A/m,材料的饱和磁化强度... 详细信息

采用氧化物煅烧法、共沉淀法和溶胶-凝胶法制备锰锌铁氧体前驱体,并将其与生物玻璃陶瓷复合,制备磁性玻璃陶瓷。研究了不同工艺制备的铁氧体对材料磁性、生物活性和细胞亲和性的影响。结果表明,充磁至7.96×105 A/m,材料的饱和磁化强度在7.49～6.46A.m2/kg之间,矫顽力在9.95×103～1.60×104 A/m之间。其中使用共沉淀法制备铁氧体前驱体使复合材料磁滞回线包围面积最大,预期有最好的生热能力。而各铁氧体的掺入均导致材料生物活性下降,但在浸泡入模拟体液21d后,各材料表面均能生成类磷灰石层。将ROS17/2.8细胞与共沉淀法制备的铁氧体复合材料共同培养7d,材料显示出良好的细胞亲和性。

关键词：锰锌铁氧体磁性玻璃陶瓷热疗细胞亲和性

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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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细胞学形态结合凝血检验在大肠癌诊断中的应用价值分析

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中国肛肠病杂志 2022年第4期42卷 7-8页

作者：邢亚东郭晓华临颍县人民医院消化科河南漯河462600

目的:分析细胞学形态结合凝血检验在大肠癌患者诊断中的应用价值。方法:选取本院100例行大肠癌诊断的患者设为观察组,对其采用细胞学形态结合凝血检验方式,另纳入100名健康人员,同样行细胞学形态结合凝血检验,并设为对照组,对比2组相关... 详细信息

目的:分析细胞学形态结合凝血检验在大肠癌患者诊断中的应用价值。方法:选取本院100例行大肠癌诊断的患者设为观察组,对其采用细胞学形态结合凝血检验方式,另纳入100名健康人员,同样行细胞学形态结合凝血检验,并设为对照组,对比2组相关血清指标(CA125、CA19-9、CEA)水平与凝血检验五项指标(PT、APTT、TT、FIB、D-二聚体)含量水平。结果:通过观察检验结果发现,观察组患者的相关血清指标(CA125、CA19-9、CEA)水平与凝血检验五项指标(PT、APTT、TT、FIB、D-二聚体)含量水平均明显高于对照组(P<0.05)。结论:细胞学形态结合凝血检验模式的应用,能够明显提高大肠癌患者的诊断效率,对保障患者得到及时有效的治疗具有重要意义。

关键词：大肠癌细胞学形态凝血检验血清指标诊断

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