Polyarginine decorated zinc oxide carbon nanotube composite sensor for the voltammetric detection of ferulic acid and hydroquinone: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2025 Jul. 14 [cited 2026 Jul. 7];15(5). Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2711