Photoelectrochemical biosensor for hydroxymethylated DNA detection and T4-β-glucosyltransferase activity assay based on WS
5-羟甲基胞嘧啶(5hmC)在哺乳动物基因开关、胚胎发育和癌症进展中发挥重要作用。本文开发了一种基于二硫化钨(WS2)纳米片和硼酸功能化碳点(B-CDs)的新型光电化学(PEC)生物传感器,用于5hmC检测,并可用于T4-β-葡萄糖基转移酶(β-GT)活性评估。首先将WS2纳米片和金纳米颗粒(AuNPs)固定在ITO电极表面,再通过...