College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130025, China; College of Chemistry, Jilin University, Changchun, 130012, China.
State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Food Chem. 2015 Oct 15;185:233-8. doi: 10.1016/j.foodchem.2015.03.076. Epub 2015 Apr 11.
Bisphenol A (BPA) is a kind of carcinogen, which can interfere with the body's endocrine system. In this paper, a new kind of fluorescent sensor for BPA detection was established based on the fluorescent conjugated polymer PPESO3. The oxidative product of BPA is able to quench PPESO3 in the presence of HRP and H2O2, and the quenched PL intensity of PPESO3 was proportionally to the concentration of BPA in the range of 1-100 μmol/L with a detection limit of 4 × 10(-7) mol/L. The proposed method has been applied to detect BPA in eight food packaging samples with satisfactory results. The proposed method has the potential for the assay of BPA in food or food packaging samples.
双酚 A（BPA）是一种致癌物质，它可以干扰人体的内分泌系统。在本文中，基于荧光共轭聚合物 PPESO3，建立了一种用于 BPA 检测的新型荧光传感器。在 HRP 和 H2O2 的存在下，BPA 的氧化产物能够猝灭 PPESO3，而 PPESO3 的猝灭 PL 强度与 BPA 的浓度在 1-100 μmol/L 范围内呈比例关系，检测限为 4×10(-7)mol/L。该方法已应用于八种食品包装样品中 BPA 的检测，结果令人满意。该方法有望用于食品或食品包装样品中 BPA 的测定。
