Efficient stripping voltammetric detection of organophosphate pesticides using NanoPt intercalated Ni/Al layered double hydroxides as solid-phase extraction
Efficient stripping voltammetric detection of organophosphate pesticides using NanoPt intercalated Ni/Al layered double hydroxides as solid-phase extraction
复制标题
使用 NanoPt 插层 Ni/Al 层状双氢氧化物固相萃取有效溶出伏安法检测有机磷农药
DOI：
10.1016/j.elecom.2010.09.021
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发表时间：
2010-11
影响因子：
5.4
通讯作者：
Miao, Xingju
中科院分区：
文献类型：
--
作者：
Zhang, Lizhi;Wang, Lianyi;Gong, Jingming;Miao, Xingju
We developed a simple strategy for designing a sensitive electrochemical stripping voltammetric sensor for organophosphate pesticides (OPs) based on solid-phase extraction (SPE) using nanosized Pt intercalated Ni/Al layered double hydroxides (labeled as NanoPt-LDHs). By assembling NanoPt with LDHs together, the resulting NanoPt-LDHs are highly efficient to capture OPs. It dramatically facilitates the enrichment of OPs onto their surface and realizes the sensitive stripping voltammetric detection of methyl parathion (MP) as a model of OPs. The stripping analysis shows highly linear over MP concentration ranges of 0.001–0.15 and 0.3–1.0μgmL−1with a detection limit of 0.6ngmL–1(S/N=3). The combination of NanoPt, LDHs, SPE, and square-wave voltammetry (SWV) provides a fast, simple, and sensitive electrochemical method for OPs.
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DOI：
10.1002/chin.200841270
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