文献类型：期刊文献

英文题名：ZnFe2O4 Nanoparticles for Electrochemical Determination of Trace Hg(II), Pb(II), Cu(II), and Glucose

作者：Fan, Changchun[1];Chen, Long[1];Jiang, Rong[1];Ye, Jiahui[1];Li, Haoquan[1];Shi, Yulin[1];Luo, Yun[1];Wang, Gang[1];Hou, Juan[1];Guo, Xuhong[1,2]

机构：[1]Shihezi Univ, Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Sch Chem & Chem Engn, Shihezi 832003, Peoples R China;[2]East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

年份：2021

卷号：4

期号：4

起止页码：4026

外文期刊名：ACS APPLIED NANO MATERIALS

收录：;EI(收录号：20211910309486);WOS:【SCI-EXPANDED(收录号:WOS:000644473900079)】；

基金：This work was supported by the Natural Science Foundation of China (51962032, 61704114, and 51764049), the Youth Innovative Talents Cultivation Fund, Shihezi University (KX01480109), and the Opening Project of the Research Center for Material Chemical Engineering Technology of Xinjiang Bingtuan (2017BTRC007).

语种：英文

外文关键词：ZnFe2O4; spinel; electrochemical detection; heavy metal ions; glucose

摘要：ZnFe2O4 (ZFO) spinel magnetic nanoparticles with a small particle size (11.2 nm) and large specific surface area (54.1 m(2)/g) are synthesized by a one-step hydrothermal method without the calcination process. ZFO-modified electrodes are first utilized for the simultaneous electrochemical trace detection of Hg(II), Pb(II), and Cu(II), which show an outstanding linear response for Hg(II), Pb(II), and Cu(II), and the limit of detection (LOD) is 1.61, 7.38, and 12.03 nM, respectively. Meanwhile, ZFO-modified electrodes exhibit excellent repeatability [relative standard deviation (RSD) of 0.785%], reproducibility (RSD of 0.896%), stability (RSD of 3.240%), and anti-interference analysis, which is successfully applied to the real water environment. Moreover, the ZFO-modified electrode also exhibits a high sensitivity of 1160 mu A mM(-1) cm(-2) and LOD of 0.8 mu M for glucose. These results indicate that ZFO nanoparticles as a promising modified electrode material will be potentially applied in the field of electrochemical sensors for heavy metal ions and nonenzymatic glucose.