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75 条 记 录,以下是 1-30

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Higher Order π-Conjugated Polycyclic Hydrocarbons with Open-Shell Singlet Ground State: Nonazethrene versus Nonacene被引量:128收藏 分享
作者:Huang, Rui Phan, Hoa Herng, Tun Seng Hu, Pan Zeng, Wangdong Dong, Shao-qiang Das, Soumyajit Shen, Yongjia Ding, Jun Casanova, David Wu, Jishan
机构:Natl Univ Singapore;East China Univ Sci & Technol;Natl Univ Singapore;Euskal Herriko Unibertsitatea;Euskal Herriko Unibertsitatea
来源:JOURNAL OF THE AMERICAN CHEMICAL SOCIETY  2016
关键词:Nuclear magnetic resonance - Shellfish - Ground state - Molecular orbitals - Molluscs - Energy gap - Sodium compounds - Calculations - Shells (structures)  
A highly selective naked-eye and fluorescent probe for fluoride ion based on 1,8-naphalimide and benzothizazole被引量:74收藏 分享
作者:Chen, Xiaoxing Leng, Taohua Wang, Chengyun Shen, Yongjia Zhu, Weihong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res
来源:DYES AND PIGMENTS  2017
关键词:Fluoride ion   Fluorescent probe   1, 8-Napthalimide   Benzothizazole  
AND-Logic Based Fluorescent Probe for Selective Detection of Lysosomal Bisulfite in Living Cells被引量:74收藏 分享
作者:Li, Ji-Zhen Sun, Yi-Hang Wang, Cheng-Yun Guo, Zhi-Qan Shen, Yong-Jia Zhu, Wei-Hong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol
来源:ANALYTICAL CHEMISTRY  2019
关键词:Probes - Sulfur dioxide - Biomarkers - Alkalinity - Computer circuits - Biocompatibility - Cytology - Fluorescence  
Novel 2,1,3-benzothiadiazole derivatives used as selective fluorescent and colorimetric sensors for fluoride ion被引量:56收藏 分享
作者:Wu, Jiefei Lai, Guoqiao Li, Zhifang Lu, Yunxiang Leng, Taohua Shen, Yongjia Wang, Chengyun
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Hangzhou Normal Univ;E China Univ Sci & Technol;E China Univ Sci & Technol
来源:DYES AND PIGMENTS  2016
关键词:Fluoride   Fluorescent sensor   Deprotonation   2,1,3-Benzothiadiazole   Carbazole   Phenothiazine  
Conjugated poly(aryleneethynylenesiloles) and thEIr application in detecting explosives被引量:56收藏 分享
作者:Shu, Weifu Guan, Changwei Guo, Wenhao Wang, Chengyun Shen, Yongjia
机构:E China Univ Sci & Technol; E China Univ Sci & Technol
来源:JOURNAL OF MATERIALS CHEMISTRY  2012
关键词:Explosives detection - Chemical reactions - Quenching  
蛋白质二级结构的红外光谱被引量:53收藏 分享
作者:周瑞明 沈永嘉
机构:温州师范学院化学系;华东理工大学精细化工研究所
来源:《华东理工大学学报(自然科学版)》  1997
关键词:蛋白质  红外光谱  多肽链  氢键  二级结构  
摘要:蛋白质的多肽链组成了各种特定的三维空间构象,氢键在维系这种构造中起着十分重要的作用。本文通过红外光谱法研究了蛋白质的二级结构和氢键在维系这种构造中的作用,发现具有螺旋和折叠构象的多肽链主要以反式构象为特征排布。
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Dual quenching strategy for sensitive detection of toxic thiolphenols based on a NIR-illuminant platform with a large Stokes shift被引量:48收藏 分享
作者:Wang, Kai Zhao, Cheng-Xi Leng, Tao-Hua Wang, Cheng-Yun Lu, Yun-Xiang Shen, Yong-Jia Zhu, Wei-Hong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res
来源:DYES AND PIGMENTS  2018
关键词:Isophorone-based dye   Near-infrared fluorescence   Large Stokes shift   Thiophenol   DFT calculations   Fluorescent imaging  
A colorimetric and turn-on NIR fluorescent probe based on xanthene system for sensitive detection of thiophenol and its application in bioimaging被引量:45收藏 分享
作者:Guo, Shao-Hua Leng, Tao-Hua Wang, Kai Wang, Cheng-Yun Shen, Yong-Jia Zhu, Wei-Hong
机构: Shanghai Key Laboratory of Functional Materials Chemistry; National Food Quality Supervision and Inspection Center / Shanghai Institute of Quality Inspection and Technical Research
来源:Talanta  2018
关键词:Fluorescence - Colorimetry - Infrared devices - Xanthenes - Probes - Lanthanum compounds  
A novel colorimetric and fluorometric fluoride ion probe based on photoinduced electron transfer signaling mechanism被引量:43收藏 分享
作者:Yuan, Xiao Xu, Xiaojia Zhao, Chengxi Zhang, Fei Lu, Yunxiang Shen, Yongjia Wang, Chengyun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol
来源:SENSORS AND ACTUATORS B-CHEMICAL  2017
关键词:Fluorescent probe   Fluoride ion   Deprotonation   Photoinduced electron transfer  
A coumarin-based near-infrared fluorescent probe with a large stokes shift for the sequential recognition of Ni2+ and CN- : Performance research and quantum calculation被引量:37收藏 分享
作者:Wang, Kai Zhao, Chengxi Guo, Shaohua Lu, Yunxiang Shen, Yongjia Wang, Chengyun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2019
关键词:Near-infrared fluorescence   Large stokes shift   Sequential recognition   Quantum calculation  
A novel naphthalimide-based probe for highly sensitive and selective recognition of ?uoride ion被引量:37收藏 分享
作者:Yuan, Xiao Zhao, Cheng-Xi Lu, Yun-Xiang Shen, Yong-Jia Wang, Cheng-Yun
机构: Shanghai Key Laboratory of Functional Materials Chemistry; Department of Chemistry
来源:Journal of Photochemistry and Photobiology A: Chemistry  2018
关键词:Color - Colorimetry - Fluorescence - Fluorine compounds - Hydrogen bonds - Ions - Quenching  
Highly soluble perylene tetracarboxylic diimides and tetrathiafulvalene-perylene tetracarboxylic diimide-tetrathiafulvalene triads被引量:35收藏 分享
作者:Zhang, Yu Xu, Zheng Cai, Liangzhen Lai, Guoqiao Qiu, Haixiao Shen, Yongjia
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Hangzhou Normal Univ;E China Univ Sci & Technol
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2008
关键词:Donor   Acceptor   Tetrathiafulvalene   Perylene tetracarboxylic diimide   Photoinduced electron transfer  
A large Stokes shift, sequential, colorimetric fluorescent probe for sensing Cu2+/S2+ and its applications被引量:29收藏 分享
作者:Li, Ji-Zhen Leng, Tao-Hua Wang, Zhi-Qiang Zhou, Li Gong, Xue-Qing Shen, Yong-Jia Wang, Cheng-Yun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res;East China Univ Sci & Technol;East China Univ Sci & Technol
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2019
关键词:Copper ions   Sulfide   Large Stokes shift   Colorimetric   Near-infrared   DFT calculations  
A Redox Stimulation-Activated Amphiphile for Enhanced Photodynamic Therapy被引量:28收藏 分享
作者:Xue, Yudong Tian, Jia Liu, Zhiyong Chen, Jianbo Wu, Mengsi Shen, Yongjia Zhang, Weian
机构:East China Univ Sci & Technol
来源:BIOMACROMOLECULES  2019
关键词:Micelles - Tumors - Gas generators - Fluorescence - Photodynamic therapy - Oxygen - Toxicity - Polyethylene glycols  
A novel coumarin-based fluorescence enhancement and colorimetric probe for Cu2+ via selective hydrolysis reaction被引量:28收藏 分享
作者:Tan, Wenbin Leng, Taohua Lai, Guoqiao Li, Zhifang Wang, Kai Shen, Yongjia Wang, Chengyun
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res;Hangzhou Normal Univ
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2016
关键词:Coumarin derivatives   Copper ion   Fluorescence enhancement   Hydrolysis reaction  
当归中阿魏酸的提取和纯化研究被引量:25收藏 分享
作者:刘芝兰 王娟 沈平 沈永嘉
机构:华东理工大学精细化工研究所结构可控先进功能材料及其制备教育部重点实验室;国家中药制药工程研究中心
来源:《高校化学工程学报》  2007
关键词:微波辅助提取  阿魏酸  当归  均匀设计  高速逆流色谱  
摘要:以当归中主要活性物质阿魏酸的含量为指标,采用单因素及均匀设计实验的方法,确定了微波辅助提取当归中阿魏酸的最优工艺条件:乙醇浓度90%,微波功率850W,液固比6:1(mL:g),辐射时间9min,粒径大小为2mm,浸泡时...
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葛根素复合骨架缓释片的处方及制备工艺被引量:23收藏 分享
作者:景秋芳 任福正 沈永嘉 胡良才
机构:华东理工大学化学与制药学院;沈阳药科大学
来源:《华东理工大学学报(自然科学版)》  2003
关键词:葛根素  海藻酸钠  甲壳胺  复合骨架缓释片  制备工艺  处方设计  释放度  心血管系统药物  
摘要:以甲壳胺(CS)和海藻酸钠(AL)为辅料制备复合骨架葛根素缓释片,考察了制备工艺和辅料性质对骨架片释放度的影响,并通过正交试验对缓释片的处方进行优化。结果表明:直接压片释放过缓;润湿剂对干颗粒的理化性质有影响。CS的用量...
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A near-infrared xanthene-based fluorescent probe for selective detection of hydrazine and its application in living cells被引量:18收藏 分享
作者:Guo, Shao-Hua Leng, Tao-Hua Wang, Kai Shen, Yong-Jia Wang, Cheng-Yun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res
来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY  2019
关键词:Near-infrared fluorescence   Hydrazine   Bioimaging   High selectivity  
Synthesis of difluoromethylene-containing 1,2,4-oxadiazole compounds via the reaction of 5-(Difluoroiodomethyl)-3-phenyl-1,2,4-oxadiazole with unsaturated compounds initiated by sodium dithionite被引量:18收藏 分享
作者:Yang, Xueyan Wang, Zhonghua Fang, Xiang Yang, Xianjin Wu, Fanhong Shen, Yongjia
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:SYNTHESIS-STUTTGART  2007
关键词:difluoromethylene   1,2,4-oxadiazole   gamma-butyrolactone   addition   cyclization  
Synthesis and thermal cure of diphenyl ethers terminated with acetylene and phenylacetylene被引量:18收藏 分享
作者:Wang, Fan Xu, Jinfeng Zhang, Jian Huang, Farong Shen, Yongjia Du, Lei
机构:E China Univ Sci & Technol;E China Univ Sci & Technol
来源:POLYMER INTERNATIONAL  2006
关键词:diacetylene diphenyl ether   diphenylacetylene diphenyl ether   curing   reaction kinetics  
A new colorimetric and ratiometric chemodosimeter for mercury (II) based on triphenylamine and benzothiadiazolenovel被引量:18收藏 分享
作者:Zhang, Qisong Li, Yuhao Zuo, Hujin Wang, Chengyun Shen, Yongjia
机构:East China Univ Sci & Technol; East China Univ Sci & Technol
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2017
关键词:Triphenylamine   Benzothiadiazole   Colorimetric   Ratiometricmercury-sensing  
Ultrasensitive redox-responsive porphyrin-based polymeric nanoparticles for enhanced photodynamic therapy被引量:18收藏 分享
作者:Xue, Yudong Tian, Jia Xu, Lei Liu, Zhiyong Shen, Yongjia Zhang, Weian
机构:East China Univ Sci & Technol
来源:EUROPEAN POLYMER JOURNAL  2019
关键词:Photodynamic therapy   Amphiphilic polymer   Reduction-sensitive   Porphyrin   Polymeric nanoparticles  
Separation and purification of verticine and verticinone from Bulbus Fritillariae Thunbergii by high-speed counter-current chromatography coupled with evaporative light scattering detection被引量:15收藏 分享
作者:Liu, Zhilan Jin, Yan Shen, Pingniang Wang, Juan Shen, Yongjia
机构: Laboratory for Advanced Materials; National Engineering Research Center for Traditional Chinese Medicine
来源:Talanta  2007
关键词:Chromatographic analysis - Hydrochloric acid - Light scattering - Nuclear magnetic resonance spectroscopy - Purification  
Synthesis and spectroscopic and electrochemical properties of TTF-derivatized polycarbazole被引量:15收藏 分享
作者:Liu, Yibo Wang, Chengyun Li, Meiffiang Lai, Guoqiao Shen, Yongjia
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Hangzhou Normal Univ
来源:MACROMOLECULES  2008
关键词:Catalyst activity - Coupling agents - Cyclic voltammetry - Polymers - Reaction kinetics  
New D-π-A system dye based on dithienosilole and carbazole: Synthesis, photo-electrochemical properties and dye-sensitized solar cell performance被引量:15收藏 分享
作者:Liu, Jie Sun, Xiang Li, Zhifang Jin, Bin Lai, Guoqiao Li, Haiying Wang, Chengyun Shen, Yongjia Hua, Jianli
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Hangzhou Normal Univ;E China Univ Sci & Technol
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2014
关键词:Carbazole   Dithienosilole   pi-Conjugated system   Power conversion efficiency   Dye-sensitized solar cell  
Optimizatioin of 3-nonen-2-one's synthetic process被引量:13收藏 分享
作者:Zhou, Chang-Kai Feng, Jing Shen, Yong-Jia Yu, Guo-Hua
机构: Institute of Fine Chemicals; Shanghai Boer Chemical Reagents Co.
来源:Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities  2010
关键词:Acetone - Potassium hydroxide  
A novel dual-mode turn-on optional chemodosimeter for the visualization of Pd0 with a low detection limit被引量:13收藏 分享
作者:Liu, Mengmeng Leng, Taohua Wang, Kai Shen, Yongjia Wang, Chengyun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Qual Inspect & Tech Res
来源:JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY  2017
关键词:Fluorescent probe   Palladium   Rhodol dye   Reaction-based  
A new PET and FRET-based molecular logic circuit mimicking the three-state logic gate被引量:13收藏 分享
作者:Zhao, Changlin Wang, Zhiqiang Gong, Xueqing Zhang, Qisong Wang, Chengyun Shen, Yongjia
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol
来源:DYES AND PIGMENTS  2017
关键词:Naphthalimide   Spiropyran   Photo-induced Electron Transfer (PET)   Forster Resonance Energy Transfer (FRET)   Three State Logic (TSL) gate  
Separation and purification of dl-tetrahydropalmatine from Corydalis yanhusuo by high-speed counter-current chromatography被引量:12收藏 分享
作者:Liu, Zhilan Yu, Yan Shen, Pingniang Wang, Juan Wang, Chengyun Shen, Yongjia
机构: Laboratory for Advanced Materials; National Engineering Research Center for Traditional Chinese Medicine
来源:Separation and Purification Technology  2008
关键词:Crude petroleum - High pressure liquid chromatography - Nuclear magnetic resonance spectroscopy - Optimization - Purification - Separation  
Synthesis, spectroscopy, and electrochemistry of metallophthalocyanines substituted by propylenedithiotetrathiafulvalene derivatives被引量:11收藏 分享
作者:Hu, Yingyu Lai, Guoqiao Shen, Yongjia Li, Yongfang
机构:E China Univ Sci & Technol;Hangzhou Normal Coll;Chinese Acad Sci
来源:MONATSHEFTE FUR CHEMIE  2004
关键词:propylenedithiotetrathiafulvalene   metallophthalocyanine   optical spectroscopy   cyclic voltammetry  
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