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In this work,a simple and novel electrochemical sensor was proposed for the determination of Bisphenol A(BPA)based on layered tungsten disulfide(WS2)and Au nanoparticles(Au NPs)composites.WS2 nanosheet was synthesized by a simple hydrothermal method.The obtained WS2 nanosheet was characterized by scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-ray diffraction(XRD),and Raman spectroscopy.