Characterization of graphite-epoxy composite electrodes for free electrochemical detection of adenine and guanine in DNA: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2021 Oct. 1 [cited 2026 Jul. 26];11(4):247-61. Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1005