Barros, V. J. G. F.; Santos , K. O. .; Oliveira, L. da C. C. de; Alves , A. V. da S.; Cardoso , M. J. B. .; Sousa, W. J. B. de; Fook , M. V. L. . Extraction and Immobilization of the Urease Enzyme in Polyvinylpyrrolidone Films: Applications in Biosensors. CLIUM 2024, 24, 308-322.