E. Jubete , A. Jaureguibeitia , L. Añorga , P.J. Lamas-Ardisana , G. Martínez , V. Serafín , G. Cabañero , E. Ramos , S. Salleres , H.J. Grande , A. Albizu
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SO2SAFE - Enzymatic SO2 Biosensor for Rapid Food Safety Monitoring
An amperometric sulfite biosensor was developed based on disposable screen printed electrodes (SPEs) and sulfite oxidase (SOx) enzyme. The developed biosensor shows good sensitivity (62 nA/ppm), reproducibility (RSD = 4%; n = 5) and a linear range of 15-1000 ppm. The applicability of the biosensor for the analysis of sodium metabisulfite in shrimp farm samples was demonstrated successfully.
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