2 条结果 关键词:量子点 ×

Fluorescent and electrochemical dual-mode detection of Chikungunya virus E1 protein using fluorophore-embedded and redox probe-encapsulated liposomes.

Mikrochimica acta 2020 Nasrin F, Chowdhury AD, Ganganboina AB, Achadu OJ 等 7 人

为实现感染早期低病毒载量样本的可靠检测,本文建立了一种基于脂质体信号放大的荧光-电化学双模生物传感器,以重组基孔肯雅病毒E1蛋白(CHIK-VP)为模型靶标。疏水性CdSe量子点(QDs)嵌入脂质体双分子层,亚甲基蓝(MB)包埋于脂质体水相内核,分别作为荧光和氧化还原信号探针。抗CHIK-VP抗体通过EDC/NHS偶联至含DSPE-...

Target-modulated sensitization of upconversion luminescence by NIR-emissive quantum dots: a new strategy to construct upconversion biosensors.

Chemical communications (Cambridge, England) 2020 Yu T, Wei DM, Li Z, Pan LJ 等 7 人

本文提出一种目标调节的上转换发光(UCL)增强策略,用于构建高信背比生物传感器。作者以近红外发射的Ag2Se量子点(QDs)作为上转换纳米颗粒(UCNPs)的敏化剂,以血栓素(thrombin)作为敏化开关,克服传统UCNPs中发光共振能量转移(LRET)效率有限的问题。β-NaYF4:Yb3+,Er3+ UCNPs经聚丙烯酸(PA...