Vanillin Determination in Food Products with Pd Nanoparticles Modified Poly(Methylene Blue) Film Electrode

Year 2019, Volume: 15 Issue: 2, 211 - 215, 30.06.2019

Çağrı Ceylan Koçak

https://doi.org/10.18466/cbayarfbe.528144

Cited By: 1

Abstract

Here, metal nanoparticles modified conductive polymer film electrode was
fabricated via electrochemical technique. Methylene blue was electrochemically
polymerized on the bare glassy carbon electrode surface. Then palladium
nanoparticles were modified on the polymer surface by consecutive potential
cycles. Resulting composite electrode was characterized with scanning electron
microscopy and electrochemical impedance spectroscopy. Palladium nanoparticles
modified poly(methylene blue) film glassy carbon electrode was used for
sensitive and selective determination of vanillin with two linear ranges
between 0.02 - 1 µM and 2 - 50 µM and a limit of detection as 0.01 µM. Proposed
electrode accurately determine vanillin content in commercial biscuit and cake
samples

Keywords

Vanillin, Pd Nanoparticles, Methylene Blue, Modified Electrode, Voltammetry

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