基于荧光共振能量转移的比率型汞离子传感器，以多层二氧化硅纳米粒子为支架，用于水中的汞离子检测。
A FRET-based ratiometric sensor for mercury ions in water with multi-layered silica nanoparticles as the scaffold.
机构信息
College of Materials Science & Engineering, South China University of Technology, Guangzhou, 510640, China.
出版信息
Chem Commun (Camb). 2011 Aug 21;47(31):8913-5. doi: 10.1039/c1cc12544c. Epub 2011 Jul 11.
PMID:21748165
Abstract
A FRET system was built for ratiometric sensing of Hg(2+) in water with multilayered silica nanoparticles as the scaffold. This architecture ensures the control over the location of both donor and acceptor and their separation distance within nanoparticles, affording higher energy transfer efficiency and higher signal-to-background ratio for particle-based sensing.
摘要
构建了一种荧光能量共振转移(FRET)体系，用于在水介质中对 Hg(2+)进行比率型检测，其中多层二氧化硅纳米粒子作为载体。该结构确保了供体和受体的位置以及它们在纳米粒子内的分离距离都得到了有效控制，从而提高了基于粒子的传感中的能量转移效率和信号背景比。
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