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Colorimetric detection of immunoglobulin G by use of functionalized gold nanoparticles on polyethylenimine film

✍ Scribed by Haiqiu Li; Chungang Wang; Zhanfang Ma; Zhongmin Su


Book ID
105889936
Publisher
Springer
Year
2006
Tongue
English
Weight
377 KB
Volume
384
Category
Article
ISSN
1618-2650

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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