Jamaliyan, R.; Farahbakhsh, A.; Mohebbi Najm Abad, J.; Khosroyar, S. Enzymatic Urea Biosensor on Screen-Printed Carbon Electrodes Based on a Hierarchical Polypyrrole Reduced Graphene Oxide Scaffold With Machine Learning- Assisted Analysis. Int. J. Ind. Chem. 2026, 17 (1). https://doi.org/10.57647/ijic.2026.1701.03.