Novel ion imprinted polymer electrochemical sensor for the selective detection of lead(II)

被引：82

作者：

Dahaghin, Zohreh ^{[1
,2
]}

Kilmartin, Paul A. ^{[1
]}

Mousavi, Hassan Zavvar ^{[3
]}

机构：

[1] Univ Auckland, Sch Chem Sci, Polymer Elect Res Ctr, 23 Symonds St, Auckland, New Zealand

[2] Semnan Univ, Dept Chem, Semnan 351311911, Iran

[3] Univ Guilan, Dept Chem, Fac Sci, POB 41335-1914, Rasht, Iran

来源：

FOOD CHEMISTRY | 2020年 / 303卷

关键词：

Glassy carbon electrode; Novel sensor; Lead (II); Box-Behnken design; ANODIC-STRIPPING VOLTAMMETRY; CARBON-PASTE ELECTRODE; TRACE LEVELS; PB(II); NANOCOMPOSITE; FILM; NANOPARTICLES; CADMIUM; CD(II); OPTIMIZATION;

D O I：

10.1016/j.foodchem.2019.125374

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The application of a novel Pb2+ selective sensor based on the ionic imprinted polymer in determining trace levels of lead in natural water and in fruit juice was investigated using differential pulse voltammetry (DPV). The new and selective magnetic ion-imprinted polymer (Fe3O4@SiO2@IIP) was synthesized using 2-(2-aminophenyl)-1H-benzimidazole and 4-vinyl pyridine as a ligand and functional monomer, respectively. The new polymer was utilized for modifying a GCE to generate a new electrochemical sensor. Box-Behnken design (BBD) was utilized for optimizing the parameters influencing the peak current. Extremely suitable voltammetric performance was demonstrated for the electrochemical detection of lead with a low detection limit (0.05 ng mL(-1)), over a wide linear concentration range (0.1-80 ng mL(-1)). This modified electrode as a novel sensor was utilized for determining Pb(II) ions in natural water and in fruit juice with very reasonable outcomes.

引用

页数：7

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