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A simple “clickable” biosensor for colorimetric detection of copper(II) ions based on unmodified gold nanoparticles

✍ Scribed by Qinpeng Shen; Wenhua Li; Shiyun Tang; Yufang Hu; Zhou Nie; Yan Huang; Shouzhuo Yao


Book ID
119199979
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
411 KB
Volume
41
Category
Article
ISSN
0956-5663

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A colorimetric sensing ensemble was prepared by mixing readily prepared adenosine triphosphate (ATP)stabilized AuNPs with Cu 2+ -phenanthroline complexes. The sensing mechanism of the ensemble was examined by UV-vis spectrometry and transmission electron microscopy. The studies showed that the Cu 2+