2 条结果 关键词:电化学发光共振能量转移 ×

DNA nanomachine-based regenerated sensing platform: a novel electrochemiluminescence resonance energy transfer strategy for ultra-high sensitive detection of microRNA from cancer cells.

Nanoscale 2017 Zhang P, Li Z, Wang H, Zhuo Y 等 6 人

DNA纳米机器的构建对DNA纳米结构发展意义重大,但实际应用仍处早期;一步再生传感平台仍是现实挑战。本文报道了新型电化学发光共振能量转移(ERET)策略,以小分子染料Alexa Fluor 488(AF488)为供体、CdSe@ZnS量子点(QDs)为受体,该体系更易进入细胞,用于构建基于DNA纳米机器的再生生物传感器,无酶超灵敏检...

Electrochemiluminescence resonance energy transfer between graphene quantum dots and graphene oxide for sensitive protein kinase activity and inhibitor sensing.

Analytica chimica acta 2016 Liang RP, Qiu WB, Zhao HF, Xiang CY 等 5 人

本文首次提出一种基于石墨烯量子点(GQDs)为供体、氧化石墨烯(GO)为受体的电化学发光共振能量转移(ECL-RET)生物传感器,用于监测蛋白激酶活性。以酪蛋白激酶II(CK2)为模型,在CK2和ATP存在下,电极表面肽段被磷酸化;随后抗磷酸丝氨酸抗体偶联GO纳米复合体(Ab-GO)通过抗原-抗体作用捕获于磷酸化肽段/GQDs修饰电...