A Sensitive Electrochemiluminescence Sensor for Brilliant Blue FCF Using Ru(bpy)_3^2+ Immobilized Zn-MOF

A novel electrochemiluminescence (ECL) sensor for detection of brilliant blue FCF (BB) has been developed using Ru@ Zn-MOF/nafion modified GCE (glass carbon electrode) in this research. Different from conventional method for usage of Ru(bpy)_3^2+ in solution-phase, Ru(bpy)_3^2+ here was immobilized on a zinc-metal-organic-framework (Zn-MOF). After adding BB, a significant quenching phenomenon of ECL intensity was observed. The behavior of BB on the quenching effect of Ru(bpy)_3^2+/Zn-MOF in different conditions was investigated thoroughly and the detection limit was achieved to 2.5 × 10^−8 M in an optimized condition. Furthermore, the interference of some conventional ions and amino acids to the detection of BB was also investigated. Additionally, the composite showed a good effect on the detection of BB in commercial samples. The proposed sensor provided a promising platform for food safety analysis, environmental monitoring and clinical testing.

• Publication year

  2019

• Venue

  Analytical Sciences

• Publication date

  2019-02-08

• Fields of study

  Medicine, Materials Science, Chemistry

• Identifiers
  DOI 10.2116/analsci.18P572PMID 30745507
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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