Issue 5, 2017
From the journal:

Nanoscale

Janus PEGylated gold nanoparticles: a robust colorimetric probe for sensing nitrite ions in complex samples†

Yanmei Xiong,a   Mingmin Li,a   Huiqiao Liu,a   Zhihong Xuan,a   Jie Yang*a  and  Dingbin Liu ORCID logo *ab  

* Corresponding authors

a State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, and Tianjin Key Laboratory of Molecular Recognition and Biosensing, College of Chemistry, Nankai University, Tianjin 300071, China
E-mail: yangjie035@nankai.edu.cn, liudb@nankai.edu.cn

b Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China

Abstract

We presented a Janus PEGylated AuNP probe where PEGs and recognition ligands (e.g., 4-aminobenzenethiol, 4-ABT) were asymmetrically functionalized on an AuNP. With this design, the probes showed high colloidal stability, signal robustness, specificity, and sufficient sensitivity in the determination of NO2− in various complex samples.

Graphical abstract: Janus PEGylated gold nanoparticles: a robust colorimetric probe for sensing nitrite ions in complex samples

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Article information

DOI
https://doi.org/10.1039/C6NR07879F
Article type
Communication
Submitted
07 Oct 2016
Accepted
04 Jan 2017
First published
05 Jan 2017

Nanoscale, 2017,9, 1811-1815

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Janus PEGylated gold nanoparticles: a robust colorimetric probe for sensing nitrite ions in complex samples

Y. Xiong, M. Li, H. Liu, Z. Xuan, J. Yang and D. Liu, Nanoscale, 2017, 9, 1811 DOI: 10.1039/C6NR07879F

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