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A study of plasmon-driven catalytic 4-NBT to DMAB in the dry film by using spatial Raman mapping spectroscopy

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Nano Research 2022年第7期15卷 6062-6066页

作者： Yansheng Liu Junpeng Deng zhicheng jin Tianxing Liu jin Zhou Feng Luo Guofu Wang School of Microelectronics and Materials Engineering Guangxi University of Science and TechnologyLiuzhou 545006China Department of NanoEngineering University of California San DiegoLa JollaCA 92093USA Tianjin Key Lab for Rare Earth Materials and Applications Center for Rare Earth and Inorganic Functional MaterialsSchool of Materials Science and Engineering&National Institute for Advanced MaterialsNankai UniversityTianjin 300350China

Plasmon-driven catalytic reaction(PDCR)as a part of photocatalysis has attracted immense *** to the collective oscillation of free electrons at the surface of metallic nanostructures,the charge distributions store energy from the incident light that could transfer energy to molecules that promote *** an environment-friendly and green photocatalysis process,PDCR illustrates a brilliant *** this study,the PDCR efficiency of photo-reducing 4-nitro-benzenthiol(4-NBT)dry film to p,p'-dimercaptoazobenzene(DMAB)in ambient conditions has been studied by using Ag nanodiscs(NDs)and Ag nanoparticles(NPs)as *** distribution of catalytic efficiency of 4-NBT to DMAB using an individual Ag ND catalyst has been illustrated using spatial Raman *** result is direct evidence that the PDCR efficiency has a positive correlation with plasmon-induced electromagnetic field ***,time-dependent surface-enhanced Raman scattering(SERS)experiments reveal that the PDCR of 4-NBT to DMAB is *** discovery in this research will aid to improve the PDCR performance and modulate the catalysis reaction for a high reduction of 4-NBT in industrial.

关键词： plasmon photocatalysis 4-nitro-benzenthiol(4-NBT) surface-enheanced Raman scattering(SERS)

Collagenases and their inhibitors:a review

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Collagen and Leather 2023年第4期5卷 44-63页

作者： Sijin Wu Xuewei Zhou zhicheng jin Haiming Cheng National Engineering Laboratory for Clean Technology of Leather Manufacture Sichuan UniversityChengdu 610065People's Republic of China Division of Critical Care Medicine Department of AnesthesiologyHarvard Medical SchoolBoston Children's HospitalBostonMA 02115USA Key Laboratory of Leather Chemistry and Engineering(Ministry of Education) Sichuan UniversityChengdu 610065People's Republic of China

Hide and skin are complex tissue where the most abundant component is *** metalloproteinases and bacterial collagenases are two kinds of collagenases that can cleave the triple-helical domain of native fibrillar *** this paper,the family members and domain composition of matrix metalloproteinases and bacterial collagenases are *** catalytic mechanism of collagen hydrolysis by collagenases is described,and the methods adopted to date for investigating and regulating collagenases and their inhibitors are ***,the applications of collagenases and their inhibitors in biomedicine,food processing and the enzymatic unhairing process in the leather-making industry are presented.

关键词： Matrix metalloproteinases Bacterial collagenase Inhibitor Enzymatic unhairing

TOFD detection of shallow subsurface defects in aluminum alloy thin plates by half-skip mode-converted wave

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Chinese Journal of Aeronautics 2024年第6期37卷 454-463页

作者： Shijie jin zhicheng WANG Zhongbing LUO NDT&E Laboratory Dalian University of TechnologyDalian 116085China

Aluminum alloy is widely applied to the aerospace ***,the inspection of thin plates using Time-of-Flight Diffraction(TOFD)technique is restricted by the near-surface dead zone because of the coupling between diffracted longitudinal wave and lateral *** halfskip mode-converted wave is introduced to decrease dead zone and detect defects in aluminum alloy thin plates by increasing ray path and propagation *** quantitative correlation for the diffracted shear wave from longitudinal back-wall wave is deduced in combination with the acoustic path,realizing the accurate location of shallow subsurface *** and experimental results indicate that the dead zone is decreased by 38% by the half-skip mode-converted wave,and the location errors are within 5% for the aluminum alloy plate with a thickness of 7.0 *** to other alternative TOFD techniques,half-skip mode-converted wave has better response amplitude and positioning accuracy,demonstrating strong applicability in TOFD inspection of thin plates.

关键词： Ultrasonic testing Time-of-Flight Diffraction(TOFD) Dead zone Half-skip mode-converted wave Quantitative detection

Dynamic Scene Graph Generation of Point Clouds with Structural Representation Learning

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Tsinghua Science and Technology 2024年第1期29卷 232-243页

作者： Chao Qi Jianqin Yin zhicheng Zhang jin Tang School of Artificial Intelligence Beijing University of Posts and TelecommunicationsBeijing 100876China Standard and Metrology Research Institute China Academy of Railway Sciences Corporation LimitedBeijing 100081China

Scene graphs of point clouds help to understand object-level relationships in the 3D *** graph generation methods work on 2D structured data,which cannot be used for the 3D unstructured point cloud *** point-cloud-based methods generate the scene graph with an additional graph structure that needs labor-intensive manual *** address these problems,we explore a method to convert the point clouds into structured data and generate graphs without given ***,we cluster points with similar augmented features into groups and establish their relationships,resulting in an initial structural representation of the point ***,we propose a Dynamic Graph Generation Network(DGGN)to judge the semantic labels of targets of different *** dynamically splits and merges point groups,resulting in a scene graph with high *** show that our methods outperform other baseline *** output reliable graphs describing the object-level relationships without additional manual labeled data.

关键词： scene graph generation structural representation point cloud

Efficient removal of natural organo-chromium(Ⅲ)through selfcirculating decomplex and immobilization with nanoscale zerovalent iron

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Nano Research 2024年第1期17卷 364-371页

作者： zhicheng Dong Yunyun Xu Can Wu jin Chao Chen Tian Zhang Lin School of Metallurgy and Environment Central South UniversityChangsha 410083China Chinese National Engineering Research Center for Control&Treatment of Heavy Metal Pollution Changsha 410083China College of Ecology and Environment Chengdu University of TechnologyChengdu 610059China School of Environment and Energy The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters(Ministry of Education)South China University of TechnologyGuangzhou 510006China

Organo-chromium(III)complex is one of the chromium contaminant species,which would transform to high-toxic Cr(VI)during migrating in the *** natural organo-chromium(III)(NOCr)is difficult to remove by traditional degradation or precipitation methods,due to its high stability and ***,we demonstrated a novel NOCr removing method by transforming it to certain structures similar to Cr-Fe minerals in nature,through a self-circulating decomplex and immobilization mechanism with nano zero-valent iron(nZVI).Taking chromium glycinate(Cr-Gly)as a probe,nZVI showed a high Cr removal efficiency of 99.4%under ambient *** removal process included three stages of adsorption,decomplexation,and ***-Gly was first adsorbed on the surface of nZVI by chemisorption of the oxide ***,the adsorbed Cr-Gly was decomplexed and oxidized to Cr(VI)by·OH and 1O_(2),which were generated from molecular oxygen activated by ***,the released Cr(VI)could be in-situ adsorbed and re-reduced to Cr(III),which was further immobilized in form of Cr-O-Fe *** the Cr-O-Fe complexing structure was similar to that of Cr-Fe minerals(such as chromohercynite)in nature,this work explored a novel and efficient NOCr removing method that was potential to weaken chromium pollution in the environment.

关键词： organo-chromium(III) zero-valent iron adsorption decomplexation Cr immobilization

Advances in gas sensors of tetrapyrrolato-rare earth sandwich-type complexes——Commemorating the 100th anniversary of the birth of Academician Guangxian Xu

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Journal of Rare Earths 2021年第2期39卷 113-120页

作者： Xiangjie Tang Qi Liu Chuangyu Wei Xuehui Lv zhicheng jin Yanli Chen Jianzhuang Jiang School of Materials Science and Engineering College of ScienceChina University of Petroleum(East China)Qingdao 266580China Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of ChemistryUniversity of Science and Technology BeijingBeijing 100083China

In recent years,sandwich-type rare earth tetrapyrrole derivatives,have attracted more and more attention as material for conductimetric *** have not only great chemical stability and processability,but also flexible molecular structure,which is a key to adjustable semiconductor *** this mini review,we focus mainly on the development of tetrapyrrolato-rare earth sandwich-type complexes as the semiconducting active layer in the gas sensors published in the last ten years(2010-2020).The main part includes two *** the single component gas sensing of sandwich rare earth tetrapyrrole complexes,we describe the influence factors of the single-component semiconducting active layer on the sensing performance of tetrapyrrolato-rare earth sandwich-type complexes,including substituents,central metals and π-conjugate *** the multi-component gas sensors,the synergistic effect between tetrapyrrolato-rare earth sandwich-type complex and other materials on improving sensitivity and conductivity has been discussed briefly.

关键词： Sandwich-type rare earth tetrapyrrole complex Phthalocyanine Gas sensor Rare earths

肝癌根治性切除术后辅助性TACE治疗的研究进展

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中华肝脏病杂志 2022年第3期30卷 340-344页

作者：金志成张齐朱海东滕皋军东南大学医学院南京210009 东南大学附属中大医院介入与血管科江苏省介入放射诊疗中心南京210009

经导管肝动脉化疗栓塞术(TACE)是肝细胞癌非手术治疗的最常用方法,并常被辅助性应用于外科切除术后尚未发生肝内转移的患者。对于具有高复发风险的患者,术后辅助性的TACE治疗可为其预后带来收益。现就术后辅助性TACE治疗的研究进展进行... 详细信息

经导管肝动脉化疗栓塞术(TACE)是肝细胞癌非手术治疗的最常用方法,并常被辅助性应用于外科切除术后尚未发生肝内转移的患者。对于具有高复发风险的患者,术后辅助性的TACE治疗可为其预后带来收益。现就术后辅助性TACE治疗的研究进展进行综述。

关键词：肝细胞癌经导管肝动脉化疗栓塞术术后复发辅助性风险

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国外对平面广告受众注意心理的眼动研究

心理科学进展 2006年第2期14卷 287-293页

作者：周象贤金志成华南师范大学心理系广州510631 湖南株洲工学院传播系株洲412008

眼动技术被认为是研究广告注意心理的最佳手段之一。文章从广告刺激和受众主体两个方面综述了国外利用该技术对平面广告受众注意心理研究所取得的有益成果,并指出了目前研究中依然存在的一些问题,希望能给感兴趣于这一领域的研究者一定... 详细信息

眼动技术被认为是研究广告注意心理的最佳手段之一。文章从广告刺激和受众主体两个方面综述了国外利用该技术对平面广告受众注意心理研究所取得的有益成果,并指出了目前研究中依然存在的一些问题,希望能给感兴趣于这一领域的研究者一定启发。

关键词：眼动研究平面广告注意

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受众卷入及其对广告传播效果的影响

心理科学进展 2007年第1期15卷 154-162页

作者：金志成周象贤华南师范大学心理系广州510631

卷入(involvement)概念在市场研究中得到了极为广泛的关注,特别是在广告心理领域更是备受重视。研究发现,卷入常常影响广告的传播效果,制约着广告自身特点、插播环境、受众主体特征等作用的发挥。同时,学者们围绕这一概念构建了卷入的... 详细信息

卷入(involvement)概念在市场研究中得到了极为广泛的关注,特别是在广告心理领域更是备受重视。研究发现,卷入常常影响广告的传播效果,制约着广告自身特点、插播环境、受众主体特征等作用的发挥。同时,学者们围绕这一概念构建了卷入的四水平说、加工深度模型、精细加工可能性模型、FCB网格、Rossiter-Percy网格等诸多理论模型。文章对相关研究进行了较系统的考察,并提出了现有研究依然存在的一些问题,如生态效度偏低、研究方法单一、相关的自动加工研究不够等。

关键词：卷入精细加工可能性模型 FCB网格模型传播效果