Degradación fotoelectroquímica de mesilato de imatinib utilizando un fotoánodo BDD/TiO2: Una comunicación corta.
Degradación fotoelectroquímica de mesilato de imatinib
DOI:
https://doi.org/10.33936/revbasdelaciencia.v10i3.7677Palabras clave:
Mesilato de imatinib (IMB), Fotoelectrocatálisis (FEC), Fotoánodo, Depósito electroforético, Diamante Dopado con Boro (BDD), Dióxido de Titanio (TiO2).Resumen
El imatinib (IMB) es un inhibidor enzimático que previene la propagación de las células cancerosas. Se utiliza para tratar ciertos tipos de cáncer, como la leucemia. También es útil para el tratamiento de ciertos tipos de tumores del estroma gastrointestinal y del dermatofibrosarcoma protuberante. Tras su consumo, se elimina mediante la orina y materia fecal. La cantidad de IMB en el ambiente está creciendo rápidamente, causando serios problemas ambientales y en la salud humana. Este estudio utiliza un fotoánodo de diamante dopado con boro modificado con dióxido de titanio (BDD/TiO₂) para la degradación de IMB mediante fotoelectrocatálisis. El estudio se dividió en tres etapas: i) modificación del BDD mediante deposición electroforética de nanopartículas sintéticas de TiO₂; ii) caracterización electroquímica del fotoánodo BDD/TiO₂; iii) degradación de imatinib (24 mg L-1) mediante oxidación electroquímica con BDD y fotoelectrocatálisis sobre BDD/TiO₂ a diferentes densidades de corriente durante 90 min. La degradación y mineralización se monitorearon mediante espectroscopia UV y demanda química de oxígeno. La tasa máxima de degradación fotoelectrocatalítica del IMB fue del 84,09%, aplicando una densidad de corriente de 8,26 mA cm⁻².
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Derechos de autor 2025 Patricio Espinoza-Montero, Steven Mateo Vélez Zambrano, G. Xavier Castillo-Cabrera, Gustavo Altamirano-Briones

Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-CompartirIgual 4.0.
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