A novel electrochemical sensor based on reduced graphene oxide decorated with gold nanoparticles for voltammetric sensing of amlodipine in human urine. - Marzouk, Hoda M.; El-Hanboushy, Sara; Mahmoud, Amr M.; Fayez, Yasmin M.; Abdelkawy, Mohamed; Lotfy, Hayam M. (Journal of Applied Electrochemistry, 2025)