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水杨醛-4-甲氧基苯甲酰腙识别锌离子的研究 被引量：3

Study on zinc ion recognition of salicylaldehyde-4-methoxybenzoylhydrazone
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摘要 设计合成了荧光传感分子水杨醛-4-甲氧基苯甲酰腙(SAMB),通过IR、1HNMR和元素分析确证了其结构,利用紫外-可见吸收光谱和荧光光谱考察了其对不同阳离子的识别作用。结果表明,SAMB的荧光发射对锌离子表现出高选择性响应,且形成1∶1型配合物。乙醇中锌离子的加入导致SAMB的荧光增强328倍,而其他过渡金属离子只引起SAMB的荧光的略微增强。初步探讨了受体分子与锌离子的结合模式与荧光增强机理。 A fluorescent ehemosensor,namely salicylaldehyde-4-methoxybenzoylhydrazone（SAMB） ,was synthesized and character- ized by 1R,1HNMR and elemental analysis. SAMB was found to recognize transition metal ions such as Zn2＋ , Co2＋ , Ni2＋ , Cu2＋ , Cd2＋, Hg2＋ , Ag＋, Fe2＋, Fe3＋ and Pb2＋ via its UV-vis spectra and fluorescence spectra. Its florescence showed a highly selective re- sponse to Zn2＋ and a 1：1 stoiehiometric complex was formed between SAMB and Zn2＋. In ethanol,Zn2＋ induced a dramatic enhance- ment in the fluorescence of SAMB by 328 folds,whereas the other transition metal ions had little influence. Mechanism of enhance- ment of SAMB＇ s fluorescence by Zn2＋ was briefly discussed.
作者 王作辉 王书洋 宋传君
机构地区 鹤壁职业技术学院化工与材料工程学院 郑州大学化学与分子工程学院
出处 《化学研究与应用》 CAS CSCD 北大核心 2012年第9期1418-1422,共5页 Chemical Research and Application
基金 国家自然科学基金项目(20902085)资助
关键词 酰肼腙 锌离子 荧光增强 化学传感 N-aeylhydrazone zinc ion fluorescence enhancement chemosensor
分类号 O657.39 [理学—分析化学]
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参考文献12

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二级参考文献12

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化学研究与应用
2012年 第9期

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