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Influence of air addition on surface modification of polyethylene terephthalate treated by an atmospheric pressure argon plasma brush

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Plasma Science and Technology 2021年第8期23卷 127-134页

作者： Jiacun wu Kaiyue wu junyu CHEN Caihong SONG Pengying JIA Xuechen LI College of Physics Science and Technology Hebei UniversityBaoding 071002People's Republic of China Institute of Life Science and Green Development Hebei UniversityBaoding 071002People's Republic of China

An atmospheric pressure argon plasma brush with air addition is employed to treat polyethylene terephthalate(PET)surface in order to improve its *** indicate that the plasma plume generated by the plasma brush presents periodically pulsed current despite a direct current voltage is ***-current curve reveals that there is a transition from a Townsend discharge regime to a glow one during one discharge *** emission spectrum indicates that more oxygen atoms are produced in the plume with increasing air content,which leads to the better hydrophilicity of PET surface after plasma ***,an aging behavior is also *** hydrophilicity improvement is attributed to the production of oxygen functional groups,which increase in number with increasing air ***,some grain-like structures are observed on the treated PET surface,and its mean roughness increases with increasing air *** results are of great importance for the hydrophilicity improvement of PET surface with a large scale.

关键词： plasma brush water contact angle surface modification plasma treatment hydrophilicity improvement

Design and Realization of Schottky Barrier Didoes in 130nm CMOS Process

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Journal of Beijing Institute of Technology 2017年第2期26卷 223-227页

作者： junyu Shi Dasheng Cui Haidong Hao Haixia wu Xin Lyu School of Information and Electronics Beijing Institute of Technology Beijing 100081 China

A polysilicon separated CMOS Schottky barrier diode is designed and tested in this *** replacing the shallow trench isolation（STI）of a ploy ring,the series resistances of Schottky diodes are reduced,leading to an improvement in cut-off *** device structure is detailed and a device model is *** analysis on the device shows that the cut-off frequency increases with the decreasing of the Schottky contact *** on this observation,the Schottky contact area is set to0.38×0.38μm^2,which is the minimum contact diffusion area allowed by the process *** distance between the anode and the cathode is also *** with different dimensions are fabricated and *** extensive measurements,the optimum dimensions are *** with a reduced area are used to improve the measurement *** measurement results show that these diodes can achieve a cut-off frequency of 1.5 ***,it is possible to use these diodes in THz detection.

关键词： Schottky barrier diodes cut-off frequency silicon THz detection

广州市钢铁行业中青年男性代谢综合征与外周血白细胞的关联性

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国际医药卫生导报 2022年第9期28卷 1218-1221页

作者：莫沛黎佼钟赟刘世明吴峻宇高芳裴静娴广州医科大学附属第二医院心血管科广州510260 广州医科大学附属第二医院神经内科广州510260 滨州市人民医院健康管理中心滨州256600

目的了解广州市钢铁从业中青年男性人群代谢综合征(MS)与白细胞计数(WBC)的关联性。方法本研究为横断面研究。整群随机抽取2009年广州市某钢铁集团16个单位4241名员工进行问卷调查和体检,其中男3760人,年龄(38.400±10.258)岁。将研究... 详细信息

目的了解广州市钢铁从业中青年男性人群代谢综合征(MS)与白细胞计数(WBC)的关联性。方法本研究为横断面研究。整群随机抽取2009年广州市某钢铁集团16个单位4241名员工进行问卷调查和体检,其中男3760人,年龄(38.400±10.258)岁。将研究对象根据WBC分为3组[WBC(3.40~5.70)×10^(9)/L:1162人,(>5.70~6.90)×10^(9)/L:1196人,>6.90×10^(9)/L:1402人],采用相关分析研究WBC与MS相关组分之间的关联性,采用多因素logistic回归,分析随着WBC的升高,MS患病率的变化。结果多因素logistic回归结果显示,在校正了年龄、吸烟、喝酒等因素后,随着WBC的水平升高,MS患病风险增加,与WBC最低值比较,第2组和第3组的OR值分别为1.88和2.58,差异有统计学意义(P<0.05)。结论WBC在广州钢铁从业中青年男性MS及代谢异常组的水平升高,可能是MS的独立危险因素。

关键词：代谢综合征心血管疾病白细胞

Controlled synthesis of hierarchically-structured MnCo_2O_4 and its potential as a high performance anode material

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Science China Chemistry 2017年第9期60卷 1180-1186页

作者： Zixiao wu Fuhai Li Yonggang Sun Deshan Bin junyu Piao Xijie Lin Xiaochan Liu Anmin Cao Li-Jun Wan CAS Key Laboratory of Molecular Nanostructure and Nanotechnology and CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

To satisfy the upsurging demand for energy storage in modern society,anode materials which can deliver high capacity have been intensively researched for the next generation lithium ion ***,the binary MnCo_2O_4 with a characteristic coupled metal cations showed promising potential due to its high theoretical capacity and low ***,by means of a well-designed synthesis control,we demonstrated a scalable process to achieve a hierarchical structure of MnCo_2O_4,which existed as uniform microspheres with embedded mesopores,showing favorable structural characters for high performance during a fast charge/discharge *** synthesis highlighted the importance of sodium salicylate as an essential additive to control the precipitation of the two involved metal *** was proved that a dual role was played sodium salicylate which cannot only facilitate the formation of microspheric shape,but also act as an effective precursor for the creation of inner *** confirmed that the hierarchically-structured MnCo_2O_4 showed outstanding performance when it was tested as an anode material in lithium ion batteries as revealed by its extraordinary cycling stability and high rate capability.

关键词： hierarchical structure anode materials MnCo2O4 lithium ion batteries porous structure

Ternary organic solar cells based on polymer donor,polymer acceptor and PCBM components

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Chinese Chemical Letters 2020年第3期31卷 865-868页

作者： Feng Liu Cheng Li junyu Li Chao Wang Chengyi Xiao Yonggang wu Weiwei Li College of Chemistry and Environmental Science Hebei UniversityBaoding 071002China State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical TechnologyBeijing 100029China Beijing National Laboratory for Molecular Sciences Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China DSM DMSC R&D Solutions Geleen 6160 MDthe Netherlands

In this work,ternary organic solar cells(OSCs)combining a fullerene derivative PC71BM with a nonfullerene acceptor N2200-F blended with a polymer donor PM6 were *** with the binary systems,the highest power conversion efficiency(PCE)of 8.11%was achieved in ternary solar cells with 30 wt%N2200-F content,mainly due to the improved short-circuit current density(Jsc)and fill factor(FF).Further studies showed that the improved Jsc could attribute to the complementary abso rption of the two acceptors and the enhanced FF was originated from the higher hole mobility and the fine-tuned morphology in the ternary *** results demonstrate that the combination of fullere ne and nonfullerene acceptors in ternary organic solar cells is a promising approach to achieve high-performance OSCs.

关键词： Ternary organic solar cell Fullerene Non-fullerene Bulk-heterojunction Charge transport

Macrophage polarization in diabetic wound healing

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Burns & Trauma 2022年第1期10卷 20-32页

作者： Xingqian wu Wenjie He Xingrui Mu Ye Liu junyu Deng Yiqiu Liu Xuqiang Nie College of Pharmacy Zunyi Medical UniversityZunyi 563000China Joint International Research Laboratory of Ethnomedicine of Chinese Ministry of Education Zunyi Medical UniversityZunyi 563000China Key Lab of the Basic Pharmacology of the Ministry of Education Zunyi Medical UniversityZunyi 563000China Cancer and Ageing Research Program School of Biomedical SciencesQueensland University of Technology37 Kent StreetWoolloongabbaBrisbane 4102Australia

Impaired wound healing is one of the severe complications of *** have been shown to play a vital role in wound *** different wound environments,macrophages are classified into two phenotypes:classically activated macrophages and alternatively activated *** of macrophage phenotypes leads to severely impaired wound healing in ***,uncontrolled inflammation and abnormal macrophage phenotype are important reasons hindering the closure of diabetic *** article reviews the functions of macrophages at various stages of wound healing,the relationship between macrophage phenotypic dysregulation and diabetic wound healing and the mechanism of macrophage polarization in diabetic wound *** therapeutic drugs targeting phagocyte polarization to promote the healing of diabetic wounds might provide a new strategy for treating chronic diabetic wound healing.

关键词： Diabetic wounds Macrophage polarization Signaling pathways Wound healing Therapeutics

Advances in intelligent mass spectrometry data processing technology for in vivo analysis of natural medicines

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Chinese Journal of Natural Medicines 2024年第10期22卷 900-913页

作者： CHEN Simian DAI Binxin ZHANG Dandan YANG Yuexin ZHANG Hairong ZHANG junyu LU Di wu Caisheng Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology School of Pharmaceutical SciencesXiamen UniversityXiamen 361102China Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine Xiamen UniversityXiamen 361102China

Natural medicines(NMs)are crucial for treating human *** characterizing their bioactive components in vivo has been a key focus and challenge in NM ***-performance liquid chromatography-high-resolution mass spectrometry(HPLC-HRMS)systems offer high sensitivity,resolution,and precision for conducting in vivo analysis of ***,due to the complexity of NMs,conventional data acquisition,mining,and processing techniques often fail to meet the practical needs of in vivo NM *** the past two decades,intelligent spectral data-processing techniques based on various principles and algorithms have been developed and applied for in vivo NM ***,improvements have been achieved in the overall analytical performance by relying on these techniques without the need to change the instrument *** improvements include enhanced instrument analysis sensitivity,expanded compound analysis coverage,intelligent identification,and characterization of nontargeted in vivo compounds,providing powerful technical means for studying the in vivo metabolism of NMs and screening for pharmacologically active *** review summarizes the research progress on in vivo analysis strategies for NMs using intelligent MS data processing techniques reported over the past two *** discusses differences in compound structures,variations among biological samples,and the application of artificial intelligence(AI)neural network ***,the review offers insights into the potential of in vivo tracking of NMs,including the screening of bioactive components and the identification of pharmacokinetic *** aim is to provide a reference for the integration and development of new technologies and strategies for future in vivo analysis of NMs.

关键词： High-performance liquid chromatography–High-resolution mass spectrometry Data-acquisition Data-processing Artificial Intelligence Metabolomics

Characteristics of Elderly-Onset Rheumatoid Arthritis Patients With COVID-19

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Infectious Microbes & Diseases 2024年第1期6卷 36-42页

作者： Lanlan Xiao Xinlei Ma Jinzhi wu junyu Liang Weiqian Chen Jin Lin Department of Rheumatology the First Affiliated HospitalZhejiang University School of MedicineHangzhouChina

This study aimed to investigate the clinical characteristics of elderly-onset rheumatoid arthritis(EORA)patients with *** ret-rospectively enrolled EORA patients diagnosed with COVID-19 from December 2022 through February 2023 and followed them *** characteristics of the patients and clinical data on COVID-19 were collected,and EORA-related data at the onset of rheu-matoid arthritis and during COVID-19 episodes were evaluated.A total of 102 EORA outpatients were enrolled and stratified into the COVID-19 group(n=60)and the non–COVID-19 group(n=42).In the COVID-19 group,56(93.3%)had symptoms,8(13.3%)had viral pneumonia,and 4(6.7%)developed severe *** logistic regression analysis showed that lack of COVID-19 vac-cination(P=0.016 and P=0.030,respectively)and having interstitial lung disease(P=0.013 and P=0.001,respectively)were inde-pendent risk factors for viral pneumonia and severe *** with the general population,EORA patients did not show significantly higher susceptibility to COVID-19 or a higher risk of severe ***,EORA patients with interstitial lung disease require special consideration during COVID-19 episodes.

关键词： COVID-19 elderly-onset rheumatoid arthritis COVID-19 vaccine interstitial lung disease

Understanding the growth mechanisms of metal-based core–shell nanostructures revealed by in situ liquid cell transmission electron microscopy

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Journal of Energy Chemistry 2022年第8期31卷 370-383,I0010页

作者： junyu Zhang Bensheng Xiao Junhui Zhao Miao Li Haichen Lin Zewen Kang Xianwen wu Haodong Liu Dong-Liang Peng Qiaobao Zhang Instrumental Analysis Center Laboratory and Equipment Management DepartmentHuaqiao UniversityXiamen 361021FujianChina Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005FujianChina College of Materials Science and Engineering Huaqiao UniversityXiamen 361021FujianChina College of Chemical Engineering Huaqiao UniversityXiamen 361021FujianChina Chemical Engineering UC San DiegoLa JollaCA 92093United States School of Chemistry and Chemical Engineering Jishou UniversityJishou 416000HunanChina

Metal-based core-shell nanostructures have garnered enduring interest due to their unique properties and ***,their growth and transformation mechanisms in liquid media remain largely unknown because they lack direct observation of the dynamic growth process with high spatial and temporal *** the in situ liquid cell transmission electron microscopy(TEM)technique offers unprecedented real-time imaging and spectroscopy capabilities to directly track the evolution of structural and chemical transformation of metal-based core–shell nanostructures in liquid media under their working ***,this review highlights recent progress in utilizing in situ liquid cell TEM characterization technique in investigating the dynamic evolution of material structure and morphology of metal-based core–shell nanostructures at the nano/atomic scale in real-time.A brief introduction of the development of liquid cells for in situ TEM is first ***,recent advances in in situ liquid cell TEM for the fundamental study of growth mechanisms of metal based core–shell nanostructures are ***,the challenge and future developments of metalbased core–shell nanostructures for in situ liquid cell TEM are *** review is anticipated to inspire ongoing interest in revealing unseen growth dynamics of core–shell nanostructures by in situ liquid cell TEM technique.

关键词： In situ liquid cell TEM Metal-based core–shell nanostructures Growth mechanisms