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Colorimetric detection of mercury(II) in aqueous media with high selectivity using calixarene functionalized gold nanoparticles

✍ Scribed by Maity, Debdeep; Kumar, Anshu; Gunupuru, Ravi; Paul, Parimal

Book ID
121758582
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
714 KB
Volume
455
Category
Article
ISSN
0927-7757

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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