Issue 15, 2013
From the journal:

Nanoscale

Picomolar detection of mercuric ions by means of gold–silver core–shell nanorods†

Shouhui Chen,‡ab   Dingbin Liu,‡b   Zhihua Wang,b   Xiaolian Sun,b   Daxiang Cui*a  and  Xiaoyuan Chen*b  

* Corresponding authors

a Department of Bio-Nano-Science and Engineering, Key Laboratory for Thin Film and Microfabrication of Ministry of Education, Institute of Micro-Nano Science and Technology, Shanghai Jiaotong University, Shanghai 200240, China
E-mail: dxcui@sjtu.edu.cn

b Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
E-mail: shawn.chen@nih.gov

Abstract

We report an ultrasensitive and selective probe for detection of mercuric ions using gold–silver core–shell nanorods as the substrate of surface-enhanced Raman scattering. The detection limit of this probe for mercuric ions can be as low as 1 pM. The efficiency of this probe in complex samples was evaluated by allowing detection of spiked mercuric ions in river water and fish samples.

Graphical abstract: Picomolar detection of mercuric ions by means of gold–silver core–shell nanorods

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Article information

DOI
https://doi.org/10.1039/C3NR01603J
Article type
Communication
Submitted
01 Apr 2013
Accepted
27 May 2013
First published
28 May 2013

Nanoscale, 2013,5, 6731-6735

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Picomolar detection of mercuric ions by means of gold–silver core–shell nanorods

S. Chen, D. Liu, Z. Wang, X. Sun, D. Cui and X. Chen, Nanoscale, 2013, 5, 6731 DOI: 10.1039/C3NR01603J

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