Label-free electrochemical immunosensor for porcine gelatin using a boron-doped diamond electrode via diazonium salt electrografting: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2025 Jun. 9 [cited 2026 Jul. 6];15(4). Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2720