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. 2017 Feb 2;9(5):1811-1815.
doi: 10.1039/c6nr07879f.

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

Yanmei Xiong  1 , Mingmin Li  1 , Huiqiao Liu  1 , Zhihong Xuan  1 , Jie Yang  1 , Dingbin Liu  2
Affiliations

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

Yanmei Xiong et al. Nanoscale. .

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.

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