Colorimetric Cu2+ Detection Using DNA-Modified Gold-Nanoparticle Aggregates as Probes and Click Chemistry

The colorimetric detection of Cu2+ is demonstrated using DNA‐modified gold nanoparticle (Au NP) aggregates as probes and a copper‐catalyzed click reaction to initiate the cross‐coupling of alkynes and azides that terminate the DNA on the particles. The ligation of two oligonucleotides via click chem...

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Veröffentlicht in:	Small (Weinheim an der Bergstrasse, Germany) Germany), 2010-03, Vol.6 (5), p.623-626
Hauptverfasser:	Xu, Xiaoyang, Daniel, Weston L., Wei, Wei, Mirkin, Chad A.
Format:	Artikel
Sprache:	eng
Schlagworte:	click chemistry colorimetric detection copper DNA nanoparticle conjugates
Online-Zugang:	Volltext
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