Polymer Electronics Research Centre, School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland, New Zealand; Department of Chemistry, Semnan University, Semnan 35131-1911, Iran.
Polymer Electronics Research Centre, School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland, New Zealand.
Food Chem. 2020 Jan 15;303:125374. doi: 10.1016/j.foodchem.2019.125374. Epub 2019 Aug 17.
The application of a novel Pb 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 (FeO@SiO@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), over a wide linear concentration range (0.1-80 ng mL). 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.
采用差分脉冲伏安法（DPV）研究了基于离子印迹聚合物的新型 Pb 选择性传感器在测定天然水和果汁中痕量铅中的应用。使用 2-（2-氨基苯基）-1H-苯并咪唑和 4-乙烯基吡啶分别作为配体和功能单体，合成了新型磁性离子印迹聚合物（FeO@SiO@IIP）。将新型聚合物用于修饰 GCE 以生成新型电化学传感器。利用 Box-Behnken 设计（BBD）优化了影响峰电流的参数。该电化学传感器对铅的电化学检测表现出极好的伏安性能，具有较低的检测限（0.05ngmL）和较宽的线性浓度范围（0.1-80ngmL）。该修饰电极作为新型传感器，用于测定天然水和果汁中的 Pb(II)离子，结果非常合理。
