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Laser synthesis and functionalization of nanostructures

International Journal of Extreme Manufacturing 2019年第1期1卷 38-50页

作者： Costas P Grigoropoulos Laser Thermal Laboratory Department of Mechanical EngineeringUniversity of California at Berkeley6129 Etcheverry HallBerkeley CA 94720-1740United States of America

This article summarizes work at the Laser Thermal Laboratory and discusses related studies on the laser synthesis and functionalization of semiconductor nanostructures and two-dimensional(2D)semiconductor *** has been carried out on the laser-induced crystallization of thin films and *** in situ transmission electron microscopy(TEM)monitoring of the crystallization of amorphous precursors in nanodomains is discussed *** directed assembly of silicon nanoparticles and the modulation of their optical properties by phase switching is *** vapor-liquid-solid mechanism has been adopted as a bottom-up approach in the synthesis of semiconducting nanowires(NWs).In contrast to furnace heating methods,laser irradiation offers high spatial selectivity and precise control of the heating mechanism in the time *** attributes enabled the investigation of NW nucleation and the early stage of nanostructure ***-and shape-selective,on-demand direct integration of oriented NWs was *** of discrete silicon NWs with nanoscale location selectivity by employing near-field laser illumination is also reported *** the properties of 2D transition metal dichalcogenides(TMDCs)by modulating the free carrier type,density,and composition can offer an exciting new pathway to various practical nanoscale *** situ Raman probing of laser-induced processing of TMDC flakes was conducted in a TEM instrument.

关键词： laser nanofabrication laser crystallization nanowire growth near field scanning optical microscopy transition metal dichalcogenides

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光刻技术科学知识图谱和多维主题分析

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激光与光电子学进展 2023年第23期60卷 32-41页

作者：李兵车尧徐辉张志刚周洪科学技术部科技人才交流开发服务中心北京100045 中国科学技术信息研究所北京100038 中国科学院武汉文献情报中心湖北武汉430071 中国科学院大学经济与管理学院信息资源管理系北京100191

基于光刻技术领域相关论文和全球“高被引科学家”名单,分析了光刻技术领域的研究时间和国家、研究机构、研究资助机构及高水平基础研究人才的分布特征,并在此基础上开展光刻领域论文的文献计量分析,分析光刻领域的研究方向、主题和发... 详细信息

基于光刻技术领域相关论文和全球“高被引科学家”名单,分析了光刻技术领域的研究时间和国家、研究机构、研究资助机构及高水平基础研究人才的分布特征,并在此基础上开展光刻领域论文的文献计量分析,分析光刻领域的研究方向、主题和发展趋势。结果表明,目前光刻技术论文产出呈现下降趋势,美国在该研究领域具有领先优势,光学光刻及掩模、光刻胶及电子束光刻、极紫外(EUV)光刻等技术主题研究仍以国外机构为主。我国已开展布局高数值孔径EUV光刻、导向自组装光刻、石墨烯基材料、机器学习的应用等新兴主题。本文提出光刻技术研发的总体布局、研究机构、企业力量、人才机制的建议,以期为相关领域决策和研究提供科学依据。

关键词：光刻技术科学知识图谱多维主题分析基础研究高被引科学家

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Evolution of enhanced innate immune evasion by SARS-CoV-2

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四川生理科学杂志 2021年第10期43卷 1695-1695页

作者： Lucy G Thorne Division of Infection and Immunity University College London London WC1E 6BT United Kingdom Quantitative Biosciences Institute (QBI) Coronavirus Research Group (QCRG) San Francisco CA 94158 USA Global Health and Emerging Pathogens Institute Icahn School of Medicine at Mount Sinai New York NY 10029 USA Quantitative Biosciences Institute (QBI) University of California San Francisco San Francisco CA 94158 USA J. David Gladstone Institutes San Francisco CA 94158 USA Department of Cellular and Molecular Pharmacology University of California San Francisco San Francisco CA 94158 USA Howard Hughes Medical Institute San Francisco CA 94158 USA Division of Advanced Therapies National Institute for Biological Standards and Control South Mimms UK Cardiovascular Research Institute University of California - San Francisco San Francisco CA 94158 USA European Molecular Biology Laboratory (EMBL) European Bioinformatics Institute Wellcome Genome Campus Hinxton Cambridge UK Division of Virology Department of Pathology University of Cambridge Addenbrooke’s Hospital Hills Road Cambridge CB2 2QQ UK Epithelial Stem Cell Biology & Regenerative Medicine laboratory The Francis Crick Institute 1 Midland Road London NW1 1AT UK Institute of Immunity & Transplantation Division of Infection & Immunity UCL Pears Building London NW3 2PF UK MIT Computer Science and Artificial Intelligence Laboratory Cambridge MA 02139 USA Broad Institute of MIT and Harvard Cambridge MA 02142 USA Department of Microbiology Icahn School of Medicine at Mount Sinai New York NY 10029 USA The Tisch Cancer Institute Icahn School of Medicine at Mount Sinai New York NY 10029 USA Department of Medicine Division of Infectious Diseases Icahn School of Medicine at Mount Sinai New York NY 10029 USA Department of Pathology Molecular and Cell-Based Medicine Icahn School of Medicine at Mount Sinai New York NY 10029 USA

Emergence of SARS-CoV-2 variants of concern(VOCs)suggests viral adaptation to enhance human-to-human transmission1,*** much effort has focused on characterisation of spike changes in VOCs,mutations outside spike likely contribute to *** we used unbiased abundance proteomics,phosphoproteomics,RNAseq and viral replication assays to show that isolates of the Alpha(B.1.1.7)variant3 more effectively suppress innate immune responses in airway epithelial cells,compared to first wave *** found that Alpha has dramatically increased subgenomic RNA and protein levels of N,Orf9b and Orf6,all known innate immune *** of Orf9b alone suppressed the innate immune response through interaction with TOM70,a mitochondrial protein required for RNA sensing adaptor MAVS ***,the activity of Orf9b and its association with TOM70 was regulated by *** propose that more effective innate immune suppression,through enhanced expression of specific viral antagonist proteins,increases the likelihood of successful Alpha transmission,and may increase in vivo replication and duration of *** importance of mutations outside Spike in adaptation of SARS-CoV-2 to humans is underscored by the observation that similar mutations exist in the Delta and Omicron N/Orf9b regulatory regions.

关键词： outside likely alone

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Preface

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Journal of Computer Science & Technology 2009年第5期24卷 805-807页

作者： Prof.Ling Liu,College of Computing,Georgia Institute of Technology,Atlanta,GA 30332,U.S.A. Prof.Wei-Song Shi,Department of Computer Science,Wayne State University,Detroit,MI 48202,U.S.A. College of Computing Georgia Institute of Technology Atlanta GA 30332 U.S.A. Department of Computer Science Wayne State University Detroit MI 48202 U.S.A.

We have witnessed the necessity of collaboration and resource sharing in many distributed applications, e.g., grid computing platform for e-Science, the PlanetLab experimental platform for distributed systems and overlay networks, P2P file sharing for fast information dissemination, cooperative caching for Web content delivery, enterprise collaboration in E-commerce, location-based services, and so on. In such a loosely-coupled open computing system, trust and reputation management becomes essential for building a healthy collaboration among participants that do not have prior knowledge about one another.

关键词： collaboration information dissemination distributed applications distributed systems resource sharing overlay networks content delivery prior knowledge file sharing management enterprise E-commerce essential e-Science services building caching trust open grid

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