量子点比率荧光探针研究进展

Progress in Ratiometric Fluorescence Probes Based on Quantum Dots

量子点(QDs)是一种纳米发光粒子,具有优异的发光性能,在太阳能利用、荧光检测等方面具有广阔的应用前景。QDs与另一荧光团复合可构建比率荧光探针,实现可视化检测目标物并且提高了检测灵敏度。本文主要对QDs比率荧光探针的种类、构建方法和应用领域的研究进展进行综述,并对其中的不足进行分析,以期为研发具有优异性能的比率荧光探针提供借鉴。

Quantum dots(QDs)are nano-luminescent particles with excellent luminescent properties,which have broad application prospects in solar energy utilization and fluorescence detection.Combining QDs with another fluorophore can be used as a ratiometric fluorescence probe to visually detect target substances and improve detection sensitivity.In this paper,the types,preparation methods and application of QDs ratiometric fluorescence probes were reviewed,and the shortcomings were analyzed,so as to provide reference for the development of ratiometric fluorescence probes with excellent performance.