Impedimetric aptasensor based on porphyrin-based covalent-organic framework for determination of diethylstilbestrol.

开发了一种基于含卟啉共价有机框架（p-COF）平台的阻抗传感策略，用于灵敏检测己烯雌酚（DES）。以5,10,15,20-四(4-氨基苯基)卟啉（TAPP）和1,3,6,8-四[4-(甲酰基苯基)]芘（TFPy）为构筑单元，经缩合反应合成TAPP-TFPy-COF。该p-COF具有较大比表面积（302.9 m2 g−1）、高孔隙率、...