“Application of Fe3O4@SiO2 GO Nanocomposite for Sensitive and Selective Electrochemical Sensing of Tryptophan”. Journal of Electrochemical Science and Engineering 9, no. 1 (December 8, 2018): 45–53. Accessed October 17, 2025. https://pub.iapchem.org/ojs/index.php/JESE/article/view/576.