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Nano Research 2021年第6期14卷 1814-1818页

作者： Hao Huang Hongming Guan Meng Su Xiaoyue Zhang Yuan Liu Chuansheng Liu Zhihong Zhang Kaihui Liu Lei Liao ning tang School of Physics and Technology Wuhan UniversityWuhan430072China State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of PhysicsPeking UniversityBeijing100871China Key Laboratory for Micro-/Nano-Optoelectronic Devices of Ministry of Education School of Physics and ElectronicsHunan UniversityChangsha410082China

Molybdenum disulfide (MoS2) holds great promise as atomically thin two-dimensional (2D) semiconductor for future electronics and opto-electronics. In this report, we study the magnetoresistance (MR) of MoS2 field-effect transistors (FETs) with graphene insertion layer at the contact interface. Owing to the unique device structure and high-quality contact interface, a gate-tunable linear MR up to 67% is observed at 2 K. By comparing with the MRs of graphene FETs and MoS2 FETs with conventional metal contact, it is found that this unusual MR is most likely to be originated from the contact interfaces between graphene and MoS2, and can be explained by the classical linear MR model caused by spatial fluctuation of carrier mobility. Our study demonstrates large MR responses in MoS2-based systems through heterojunction design, shedding lights for the future magneto-electronics and van der Waals heterostructures.

关键词： molybdenum disulfide(MoS2) contact linear magnetoresistance graphene insertion layer mobility

Size distribution of particulate polycyclic aromatic hydrocarbons in fresh combustion smoke and ambient air: A review

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Journal of Environmental Sciences 2020年第2期32卷 370-384页

作者： Lulu Zhang Lu Yang Quanyu Zhou Xuan Zhang Wanli Xing Yongjie Wei Min Hu Lixia Zhao Akira Toriba Kazuichi Hayakawa ning tang Graduate School of Medical Sciences Kanazawa UniversityKakuma-machiKanazawa 920-1192Japan State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environment SciencesBeijing 100012China State Key Joint Laboratory of Environmental Simulation and Pollution Control College of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Institute of Medical Pharmaceutical and Health SciencesKanazawa UniversityKakuma-machiKanazawa 920-1192Japan Institute of Nature and Environmental Technology Kanazawa UniversityKakuma-machiKanazawa 920-1192Japan

Polycyclic aromatic hydrocarbons(PAHs) are ubiquitous in the atmosphere and they mostly stem from the imperfect combustion of fossil fuels and *** are inherently associated with homogenous fine particles or distributed to different-sized particles during the aging of air *** carried by fine particles undergo a long-range transport to remote areas while those adsorbed on coarse particles have a shorter lifetime in ambient *** importantly, PAHs with higher molecular weights tend to be bound with finer particles and can deeply enter the lungs, posing severe health risks to ***, the environmental fate and health effects of particulate PAHs are strongly *** review summarizes the size distributions of particulate PAHs freshly emitted from combustion sources as well as the distribution patterns of PAHs in ambient *** was found that PAHs from stationary sources are primarily bound to fine particles, which are slightly larger than particles to which PAHs from mobile sources are *** ambient air, particulate PAHs are distributed in larger size modes than those in the combustion fume, and the particle size decreases with PAH molecular weight *** relevant mechanisms and influencing factors of particle size distribution changes are illustrated in this article, which are essentially attributed to combustion and ambient temperature as well as the physical and chemical properties of ***, the study on the particle size distribution of PAHs will contribute for a full understanding of the origin, atmospheric behaviors and health effects of particulate PAHs.

关键词： Atmospheric pollution Coal combustion Biomass burning Vehicle exhaust Gas–particle partitioning

Exchange Enhancement of Spin-Splitting in Al_(x)Ga_(1-x)/GaN Heterostructures in Tilted Magnetic Fields

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Chinese Physics Letters 2011年第3期28卷 188-190页

作者： tang ning HAN Kui LU Fang-Chao DUAN Jun-Xi XU Fu-Jun SHEN Bo State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of PhysicsPeking UniversityBeijing 100871

Al_(x)Ga_(1-x)/GaN heterostructures are investigated by magnetotransport experiments in tilted magnetic fields at low *** spin-split peaks of the Shubnikov-de Haas(SdH)oscillations are observed at high magnetic fields,which are attributed to the Zeeman spin-splitting of the two-dimensional electron gas at the *** exchange enhanced g*of the spin-splitting is investigated by measuring the positions of the pairs of spin-split SdH ***,it is found that g^(*)becomes smaller with the increasing tilt angle,which suggests the anisotropy of g^(*)is due to the strong polarization-induced electric field at the Al_(x)Ga_(1-x)N/GaN heterointerface.

关键词： polarization GaN splitting

Glaucoma surgery experiments using digital microscope-integrated optical coherence tomography and OCT-compatible instruments

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Journal of Innovative Optical Health Sciences 2024年第5期17卷 105-113页

作者： Tianliang Jiang Jinyu Fan ning tang Yi He Guohua Shi School of Biomedical Engineering(Suzhou)Division of Life Sciences and Medicine University of Science and Technology of China Hefei 230026 P.R.China Jiangsu Key Laboratory of Medical Optics Suzhou Institute of Biomedical Engineering and Technology Chinese Academy of Science Suzhou 215163P.R.China

There is a certain failure rate in traditional glaucoma surgery because of the lack of depth information in microscope *** this work,we present a digital microscope-integrated optical coherence tomography(MIOCT)system and several custom-made OCT-compatible instruments for glaucoma *** ophthalmologists were asked to perform trabeculectomy and canaloplasty on live porcine eyes using the system and *** surgery,a subjective feedback survey about the user experience was *** experiment results showed that our system can help surgeons easily locate important tissue structures during *** custom-made instruments also solved the shadowing problem in OCT *** preferred to use the system in their future practice.

关键词： Microscope-integrated optical coherence tomography OCT-compatible instruments glaucoma surgery trabeculectomy canaloplasty

DISTRIBUTION AND CHARACTERIZATION OF POLYCYCLIC AROMATIC HYDROCARBON COMPOUNDS IN AIRBORNE PARTICULATES OF EAST ASIA

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China Particuology 2006年第6期4卷 283-292页

作者： Yan Liu Libin Liu Jin-Ming Lin ning tang Kazuichi Hayakawa State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences p.o. Box 2871 Beijing 100085 China Graduate School of Natural Science and Technology Faculty of Pharmaceutical Sciences Kanazawa University Kakuma-machi Kanazawa 920-1192 Japan

A review is presented on the distribution and characterization of polycyclic aromatic hydrocarbons （PAHs） and their derivatives, including nitro-PAHs and hydro-PAHs, on atmospheric particulates of East Asia. Generally, PAH compounds with two or three aromatic rings are released mainly into the gas phase, while those containing three or more aromatic rings are associated with particulate matter （PM） emission. Particle-associated PAHs are primarily adsorbed on fine particles, and little associated with coarse particles. Investigation into the concentration level of PAHs in different areas can serve not only to reflect the pollutant status and sources but also to lead to the formulation of control strategies. The results of the present study show that China has more severe PAH pollution than such East Asian countries as Japan and Korea.

关键词： polycyclic aromatic hydrocarbon (PAH) airborne particulates distribution East Asia review

On-surface Synthesis of Graphene Nanoribbons

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Chinese Journal of Structural Chemistry 2020年第8期39卷 1377-1384,1357页

作者： tang Yan-ning SUN Ke-Wei LI Xue-Chao ZHANG Hai-Ming CHI Li-Feng Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123China

On-surface synthesis never fails to fascinate chemists by producing new functional polymers which can hardly been prepared via traditional solution *** those newly prepared polymers,graphene nanoribbons(GNRs),featured with tunable band gap,have attracted substantial attention because they are considered as promising candidates for next generation carbon-based ***,we summarize the recent advances of GNRs prepared on single crystal surfaces with emphasis on the structural tuning and electronic properties of ***,critical developments toward the application of GNRs have also been reviewed including the mass fabrication and the performance of GNRs as field effect transistors.

关键词： graphene nanoribbons(GNRs) on-surface reactions scanning tunneling microscopy(STM) scanning tunneling spectroscopy(STS)

玉米抗氧化肽Leu-Pro-Phe抗氧化稳定性研究

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中国食品学报 2015年第2期15卷 49-55页

作者：唐宁庄红吉林大学军需科技学院长春130062

以从玉米蛋白粉中分离纯化得到的玉米抗氧肽Leu-Pro-Phe为研究对象,探讨温度、p H、食品配料、金属离子和胃肠道消化酶对Leu-Pro-Phe清除DPPH和ABTS自由基能力的影响。结果表明:玉米抗氧化肽LeuPro-Phe具有较好的热稳定性,在100℃下处理... 详细信息

以从玉米蛋白粉中分离纯化得到的玉米抗氧肽Leu-Pro-Phe为研究对象,探讨温度、p H、食品配料、金属离子和胃肠道消化酶对Leu-Pro-Phe清除DPPH和ABTS自由基能力的影响。结果表明:玉米抗氧化肽LeuPro-Phe具有较好的热稳定性,在100℃下处理5 h仍能保持较好的自由基清除活性。Leu-Pro-Phe具有良好的耐酸、耐碱性,酸性和碱性环境均未破坏其结构,其中碱性环境有助于其清除ABTS自由基。食品配料对LeuPro-Phe的抗氧化活性影响显著,其中蔗糖、Na Cl和柠檬酸能极显著(P<0.01)地提高其DPPH自由基清除活性。常见的金属离子对Leu-Pro-Phe抗氧化活性的影响不一,K+、Ca2+、Mg2+、Zn2+和Cu2+均能显著(P<0.05)影响LeuPro-Phe的DPPH自由基清除活性,而其ABTS自由基清除活性仅对Cu2+敏感,高浓度的Cu2+能显著(P<0.05)抑制其清除活性。体外消化试验表明:Leu-Pro-Phe具有一定的抗消化能力,经胃蛋白酶和胰蛋白酶消化后仍保持较高的自由基清除活性。

关键词：抗氧化肽 Leu-Pro-Phe 抗氧化活性稳定性

A Study on the Effect of Industrial Cluster Brand

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International Journal of Technology Management 2015年第7期 131-133页

作者： Liu ning tang song Institute for the Development of Central China of Wuhan University Wuhan China 430072

This paper is focus on the brand effect of industrial agglomeration, and undertakes the following conclusions： firstly, regional industrial brand and industry agglomeration will influence each other. Secondly, industrial agglomeration on regional industry brand has the strengthening mechanism. Thirdly, the more of enterprises in industrial cluster, the more ＂hitchhike＂ problems will occur. It shows that enterprises in promoting the regional industry brand will influence exacted input and reward asymmetry, causing the enterprise to promote the maintenance of regional industry brand intrinsic motivation deficiency. However, widespread presence ＂hitchhike＂ psychologicalexpectations. This led to the regional industrial brand are often not appropriate and reasonable maintenance and promotion.

关键词： industrial clusters brand effect regional industry brand

Synthesis and fluorescence spectra of aluminium with two quino-aza-crown ethers

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Synthesis and fluorescence spectra of aluminium with two qui...

Molecular mechanism of azvudine in the treatment of COVID-19 based on network pharmacology and molecular docking

全国第十六届大环化学暨第八届超分子化学学术讨论会

作者： Guangnong Lu ning tang College of Chemistry and Chemical Engineering Lanzhou University

Two novel quino-aza-crown ethers,1,22-diaza-3,6,17,20-diquino-7,10,13,16,25-pentaoxa-cyclotetracosane, 1,22,25-triaza-3,6,17,20-diquino-7,10,13,16-tetraoxa-cycloheptacosane and theirs solid complexes with aluminium nitrate have been *** two ligands investigated by H NMR,IR,and ESI-HRMS spectroscopy and the complexes were characterized by elemental analyses,molar conductivity and IR *** fluorescence properties of Al(Ⅲ) complexes in solid were studied.

关键词： Quino-Aza-Crown Ethers Al(Ⅲ)complexes Fluorescence properties

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Medical Data Mining 2023年第3期6卷 30-38页

作者： ning tang Yan Wang Yu-Meng Han Yang Zhao Jia-Rui Miao Bing Li Department of Integrative Medicine Liaoning University of Traditional Chinese Medicine Xinglin CollegeShenyang 110167China Department of Integrative Medicine Dalian Medical UniversityDalian 116044China Department of Traditional Chinese Medicine Liaoning University of Traditional Chinese Medicine Xinglin CollegeShenyang 110167China

Azvudine(FNC)is a nucleotide inhibitor with a wide antiviral *** was available for the treatment of HIV and corona virus disease(COVID-19)in 2019,but its efficacy and mechanism of action for the treatment of COVID-19 have not been *** was used to predict 287 potentially relevant targets,and the OMIM and GeneCards databases yielded 2468 potential related ***-19 is linked to 72 FNC-related *** gene ontology(GO)functional annotation and kyoto encyclopedia of genes and genomes(KEGG)pathway enrichment,binding protein-protein interaction(PPI)networks and cytoHubba plug-ins,10 relevant signaling pathways(Lipid and atherosclerosis,Pathways in cancer,Coronavirus disease COVID-19,T cell receptor signaling pathway,and so on.)and 10 hub genes were *** was shown to interact with MMP9,ALB,AKT1,EGFR,HRAS,MAPK14,MAPK8,PPARG,RHOA and NOS3 via molecular *** work investigated the key routes and targets of FNC in the treatment of COVID-19,as well as the possible anti-COVID-19 and anti-tumor targets and related signaling pathways of FNC,which provided references for us to locate and explore effective COVID-19 medications.

关键词： azvudine COVID-19 network pharmacology molecular docking