S. B. . Uzunoğlu, T. . Uzunoğlu, S. . Koçsuz, M. . Evyapan, and O. . Arslan, “Metal ion effects on Polyphenol Oxidase Covalently immobilized on a Bio-Composite”, Cell Mol Biol (Noisy-le-grand), vol. 67, no. 2, pp. 50–55, Sep. 2021.