Li, Y. Robert, Arben Santo, Hong Zhu, Zhenquan Jia, and Michael A. Trush. “Graphene Quantum Dots Protect Against Copper Redox-Mediated Free Radical Generation and Cardiac Cell Injury”. Reactive Oxygen Species 6, no. 17 (September 1, 2018): 338–348. Accessed September 26, 2020. https://aimsci.com/ros/index.php/ros/article/view/158.