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Visual detection of barium ions using tiopronin functionalised gold nanoparticles

✍ Scribed by Lian-Yang Bai; Yu-Ping Zhang; Na Chen; Jun Chen; Xiao-Mao Zhou; Lin-Feng Hu

Book ID
114461556
Publisher
The Institution of Engineering and Technology
Year
2011
Tongue
English
Weight
499 KB
Volume
6
Category
Article
ISSN
1750-0443

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## Abstract **Seeing is sensing**: Calsequestrin (CSQ) functionalized gold nanoparticles undergo calcium‐dependent CSQ polymerization, which results in a clear color change (see picture) together with precipitation. The sensing system is specific for Ca^2+^ ions and the differences between normal a