Electrochemical sensor based on molecularly imprinted polymer film via sol–gel technology and multi-walled carbon nanotubes-chitosan functional layer for sensitive determination of quinoxaline-2-carboxylic acid

The established molecularly imprinted polymer sensor could be promising in food safety analysis

Yukun Yang

2013

Scholarcy highlights

  • A novel molecularly imprinted polymer sensor for quinoxaline-2-carboxylic acid detection was established
  • The established molecularly imprinted polymer sensor could be promising in food safety analysis
  • Quinoxaline-2-carboxylic acid is difficult to measure since only trace levels are present in commercial meat products
  • A rapid, sensitive and selective molecularly imprinted electrochemical sensor for QCA determination was successfully constructed by combination of a novel modified glassy carbon electrode and differential pulse voltammetry
  • The imprinted mechanism and experimental parameters affecting the performance of MIP film were discussed in detail
  • The recoveries and standard deviations were calculated as 93.5–98.6% and 1.7–3.3%, respectively, suggesting the proposed sensor is promising for the accurate quantification of QCA at trace levels in meat samples

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