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铜离子催化的氧化关环有机反应,用于选择性荧光探测金属铜离子的存在。晶体结构和光谱分析表明,在DPKA的乙腈/水混合溶剂中,引入铜离子可以促使苯并三氮唑类荧光化合物(2)的形成,该反应可以使得溶液的荧光明显增强。而且在滴定溶液里,引入Cu2+螯合剂EDTA,并不能使得溶液的荧光减弱,表明荧光是由有机物2发射的。同时,其他金属离子的引入并不能产生荧光,而且干扰离子的存在也不能使得荧光光谱发生显著改变,...
This study examined the potential utility of DNA sequence analysis to discriminate and identify plant material in forensic investigations. DNA was extracted from plant leaf fragments of 11 species sto...
An old surface analytical method, appearance potential spectroscopy (APS), which can probe empty electronic states, is briefly reviewed, since it has an ability to be applied to studying nanostructure...
The electrochemical aspects of interactions between DNA and two organic compounds are discussed herein. Potential DNA targeted compounds, 2-methyl-4-phenyl-benzo[4,5]imidazo[1,2-a]pyrimidine (C1) and ...
A series of 3-hydroxy-6-methyl-2-((4-substitutedpiperazin-1- yl)methyl)-4H-pyran-4-one structured compounds were synthesized by reacting 5-hydroxy-2-methyl-4H-pyran-4-one with suitable piperazine deri...
New series of [(2-chloroethyl)ureido] benzoic acids (compounds 3-8) and nitric oxide releasing derivatives of [(2-chloroethyl)ureido] benzoic acid esters (compounds 9-14) were synthesized as potential...
A series of structurally diverse amide derivatives of 3-[1-(3-pyridazinyl)-5-phenyl-1H-pyrazole-3-yl]propanoic acids were prepared and tested for their in vivo analgesic activity using an acetic acid...
Many environmental problems are attributed to coal combustion and utilization, a subject receiving increasing attention worldwide. Some of these problems could be minimized or even avoided if coal cle...
2001Vol.36No.4pp.459-462DOI: The Stability of Icosahedral Cluster and the Range of Interaction Potential DING Feng,1,2 WANG Jin-Lan,1,3 SHEN Wei-Feng,1 WANG Bao-Lin,1 LI Hui1 and...
专著信息 书名 Determination of Epinephrine based on the Enhanced Electrochemiluminescence of Lucigenin by using the Anodic Potential Sweep 语种 英文 撰写或编译 作者 Yingying Su,Jian Wang,Guonan Chen 第一作者单位 出版社 Talanta...
专著信息 书名 1,3-Dipolar Cycloaddition Reaction:Synthesis of Novel 5,5-Dehydronocatharidin Derivatives of Substituted Aromatic Amines with Potential Antitumor Activities 语种 英文 撰写或编译 作者 邓力萍,刘方明等 第一作者单位 出版社 ...
期刊信息 篇名 Extraterrestrial He-3 in marine polymetallic nodules: a potential method for measuring growth rate of nodules 语种 英文 撰写或编译 撰写 作者 Li,YH; Song,HB; Li,JC 第一作者单位 刊物名称 SCIENCE IN CHINA SERIES B-CHEM...
Eighteen 1,3-diols were synthesized and their structure and distribution ratio for the solvent extraction of boron were studied. Diols with a high distribution ratio (D_{B(OH)_3 > 10) were investigate...
The reaction of suitable organic compounds such as w -halo-1-alkenes, allyltrichlorosilane or 2-methyl-3-butyn-2-ol in combination with a well-defined inorganic silsesquioxane, H8Si8O12 A cores, leads...
The development of efficient and stable carriers for the delivery of DNA to the body is becoming an increasingly important issue in the fields of gene therapy and vaccination. The present study was de...

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