Evaluation of the binding specificity of electrosynthesized poly-ortho-phenylenediamine molecularly imprinted with metal chelates | |
Zhang, HL (张海禄)![]() ![]() ![]() ![]() | |
刊名 | MICROCHIMICA ACTA
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2011-07 | |
卷号 | 174期号:1-2页码:47-54 |
关键词 | Molecularly imprinted polymers Binding specificity Electrochemical method Metal chelate |
通讯作者 | Gu, RA |
英文摘要 | We have examined the specificity of electrosynthesized poly-o-phenylenediamine as a kind of material molecularly imprinted with metal chelates. Molecularly imprinted polymers (MIPs) were prepared in situ by an electrochemical method. The EDTA chelate complexes of Cu(II), Zn(II), Fe(III) and Cd(II) ions were used as templates of the MIPs deposited on a gold electrode of a quartz crystal microbalance (QCM). The binding ability and specificity of the MIPs were investigated via the frequency response of the QCM to the adsorption of the template chelates and their analogs. Linear relationships are observed between the frequency shift and the concentration of the template chelates over a typical range of similar to 10(-6) to similar to 10(-4) mol center dot L(-1). The results reveal good binding specificity of such MIPs for their templates over structurally related analogs, but the selectivity coefficients are less significant than that for enantiomers. The results also suggest no significant correlation between binding specificity and the ionic (or atomic) radius of the investigated metal ions. The observed specificity is qualitatively attributed to the overall conformational difference of the metal-EDTA complexes resulting from their difference in both ionic radius and electronic structures. |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000292003300005 |
公开日期 | 2012-08-24 |
内容类型 | 期刊论文 |
源URL | [http://58.210.77.100/handle/332007/638] ![]() |
专题 | 苏州纳米技术与纳米仿生研究所_纳米仿生研究部_邓宗武团队 |
推荐引用方式 GB/T 7714 | Zhang, HL ,Wang, LY ,Ying, XF,et al. Evaluation of the binding specificity of electrosynthesized poly-ortho-phenylenediamine molecularly imprinted with metal chelates[J]. MICROCHIMICA ACTA,2011,174(1-2):47-54. |
APA | Zhang, HL ,Wang, LY ,Ying, XF,&Deng, ZW .(2011).Evaluation of the binding specificity of electrosynthesized poly-ortho-phenylenediamine molecularly imprinted with metal chelates.MICROCHIMICA ACTA,174(1-2),47-54. |
MLA | Zhang, HL ,et al."Evaluation of the binding specificity of electrosynthesized poly-ortho-phenylenediamine molecularly imprinted with metal chelates".MICROCHIMICA ACTA 174.1-2(2011):47-54. |
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