Food Analytical Methods

, Volume 10, Issue 7, pp 2293–2301 | Cite as

A Novel Electrochemical Sensor Based on Graphene Oxide Decorated with Silver Nanoparticles–Molecular Imprinted Polymers for Determination of Sunset Yellow in Soft Drinks



In this study, a new imprinted electrochemical sensor for selectively detecting sunset yellow was developed based on glassy carbon electrode (GCE) modified by graphene oxide decorated with silver nanoparticles–molecular imprinted polymers (GO/AgNPs–MIPs). GO/AgNPs were firstly synthesized using self-assembly technology, and GO/AgNPs–MIPs were synthesized through surface imprinted technology by using GO/AgNPs as the substrate and sunset yellow as the template, respectively. The sensor was prepared by a drop-casting method. The synthetic materials were characterized by transmission electron microscope (TEM), Fourier transmission infrared spectra (FT-IR), and X-ray diffraction (XRD). The sensor was characterized by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The usage amount of GO/AgNPs–MIPs suspensions, solution pH, and accumulation time made an important difference in the process of detecting sunset yellow. Under optimal conditions, the peak current is linear to concentration of sunset yellow in the ranges of 0.1–0.6 and 0.6–12 μM, and the limit of detection was estimated to be 0.02 μM (S/N = 3). Finally, the proposed sensor was applied to detect sunset yellow in soft drinks with acceptable recovery, which demonstrated that the sensor could be used as a reliable and simple method for practical detection of sunset yellow.


Electrochemical sensor Graphene oxide Silver nanoparticles Molecular imprinted polymers Sunset yellow 


Compliance with Ethical Standards

Conflict of Interest

Changchun Qin declares that he has no conflict of interest. Wenlu Guo declares that he has no conflict of interest. Yan Liu declares that she has no conflict of interest. Zhanchao Liu declares that he has no conflict of interest. Jian Qiu declares that he has no conflict of interest. Jianbo Peng declares that he has no conflict of interest.

Ethical Approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed Consent

Not applicable.


This work was financially supported by the National Natural Science Foundation of China (No. 21207051), Ph.D. Programs Foundation of Ministry of Education of China (No. 20123227120015), Natural Science Foundation of Jiangsu Province (BK20150483), special financial grant from the China Postdoctoral Science Foundation (2014T70488), Natural Science Fund for Colleges and Universities in Jiangsu Province (Nos. 16KJB530002, 15KJB550003), Society Development Fund of Zhenjiang (No. SH2013110), and Programs of Senior Talent Foundation of Jiangsu University (No. 15JDG024).


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.School of Environmental and Chemical EngineeringJiangsu University of Science and TechnologyZhenjiangChina
  2. 2.School of Chemistry and Chemical EngineeringJiangsu UniversityZhenjiangChina
  3. 3.School of Materials Science and EngineeringJiangsu University of Science and TechnologyZhenjiangChina

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