Label-Free Colorimetric Detection of Mercury (II) Ions Based on Gold Nanocatalysis

Herein, a label-free colorimetric nanosensor for Hg(II) is developed utilizing the hindering effect of Hg(II) on the kinetic aspect of gold nanoparticle (AuNPs) growth on the surface of gold nanostars (AuNSs). H-AuNS probes are synthesized and modified by 2-[4-(2-hydroxyethel) piperazine-1-yl] ethan...

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Bibliographic Details

Published in:	Sensors
Main Authors:	Pei-Chia Yang, Tsunghsueh Wu, Yang-Wei Lin
Format:	Article
Language:	English
Published:	MDPI AG 2018-08-01
Subjects:	colorimetric detection mercury HEPES-gold nanostar catalytic reduction
Online Access:	http://www.mdpi.com/1424-8220/18/9/2807