Improved performance of nitrate extended gate field effect transistor sensor through deposition of polymer layer at various withdrawal speeds using dip coating method: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2025 Mar. 26 [cited 2026 Sep. 8];15(3). Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2670