Abstract
In this study, a new matrix based on a molybdenum disulfide-reduced graphene oxide hybrid (MoS2-rGO) was prepared and characterized. Modification of a glassy carbon electrode (GCE) with MoS2-rGO (MG) using drop casting allowed for the selective analysis of folic acid in the presence of a variety of interference species with a limit of detection of 10nM, a linear range between 0.01μM and 100μM with a sensitivity of 14µAµM−1. In addition, the analytical performance of the proposed sensor was successfully conducted for the determination of folic acid in human serum samples, making MG-GC electrodes promising interfaces for bio-electrochemical applications.
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