ArticleScientific reports2026
An electrochemical sensing platform based on zirconium UiO 66 metal-organic framework for determination of vanillin in the presence of folic acid.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In this study, we developed graphite screen-printed electrodes (GSPEs) modified with zirconium UiO-66 metal-organic framework (Zr-UiO-66 MOF) for the detection of vanillin (VN) and folic acid (FA). Zr-UiO-66 MOF was synthesized via a solvothermal method and used to modify the GSPEs to enhance the sensor sensitivity. Cyclic voltammetry (CV) was employed to investigate the electrochemical properties of the modified GSPEs in a VN solution. The results demonstrated the successful modification of the GSPEs with Zr-UiO-66 MOF. Significantly, the UiO-66 MOF-modified GSPEs demonstrated the ability to detect VN across a linear dynamic range (LDR) of 0.1 to 238.0 µM, highlighting their potential as electrochemical sensor. The limit of detection (LOD) was calculated to be 0.03 µM, based on a signal-to-noise of 3 (S
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