A facile label-free colorimetric sensor for Hg2+ based on Hg-triangular silver nanoplates with amalgam-like structure
详细信息 查看全文
- 作者：Zhengbo Chen ; czb979216@sina.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Tianhong LouAuthor Vitae ; Qian WuAuthor Vitae ; Kai Li ; Lk123Lk@126.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Lulu TanAuthor Vitae ; Jingyan SunAuthor Vitae
- 关键词：Triangular silver nanoplates ; Colorimetric detection ; Mercury (II) ions ; Lysine
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2015
- 出版时间：31 December 2015
- 年：2015
- 卷：221
- 期：Complete
- 页码：365-369
- 全文大小：1562 K
文摘
- •
We present a simple, label-free, and rapid method for sensing Hg2+.
- •
This method avoided tedious surface modification of AgNPs.
- •
Hg2+ was spontaneously reduced on the AgNP surface to form Hg–Ag alloys.
- •
The detection limit of the colorimetric assay is down to 50 nM.