期刊
FOOD CHEMISTRY
卷 255, 期 -, 页码 104-111出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2018.02.004
关键词
Parathion; Organophosphate pesticides; Nickel oxide; Mesoporous nanoplatelets; Screen-printed electrode; Nanozyme
资金
- Science and Technology Development Fund in Egypt (STDF) via Nowton-Mosharafa Institutional Link Grant [172726574, 18435]
- British Council via Nowton-Mosharafa Institutional Link Grant [172726574, 18435]
Nanozyme-based electrochemical sensors have attracted much attention because of their low cost, sensitivity and remarkable stability under extensive environmental and industrial conditions. Interestingly, the physical characteristics of the nanomaterials in terms of size, shape, composition, surface area and porosity dominate the electrochemical processes at electrode surfaces. Herein, we explore nickel oxide nanoplatelets (NPs) modified screen-printed electrode-based nanozyme sensors that displays high electrochemical activity including stability, sensitivity, selectivity and applicability for organophosphate pesticide (Parathion) determination. Differential pulse voltammogram of NiO-SPE in presence of parathion showed a characteristic peak current at -1.0 V (vs. Ag/AgCl). The NiO-SPE platform allows determination of parathion over the concentration range of 0.1-30 mu M with a limit of detection (LOD) of 0.024 mu M. The sensing platform is found to detect parathion of interferences without compromising the sensitivity of the sensor. Such interesting features offer a sensitive determination of parathion in water, urine and vegetable samples.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据