Jimenez Perez, M.A., Agudelo Valencia, R.N. , Devia Orjuela, J.S. and Garces Polo, S.I. 2023. Evaluation of the decrease in cephalexin concentration in aqueous solution using photocatalysis with UV-LED radiation. Revista ION. 36, 3 (Nov. 2023), 43–51. DOI:https://doi.org/10.18273/revion.v36n3-2023004.