Comparison of the bioactivity of gold, silver and copper oxide nanoparticles derived from Aloe africana leaf extract and Magnetospirillum magnetotacticum
Khanyisile Ngcongco, Anushka Govindsamy, Nirasha Nundkumar, Karen Pillay
This study compares the bioactivity of gold, silver, and copper oxide nanoparticles synthesized from Aloe africana leaf extract and Magnetospirillum magnetotacticum, finding that Aloe-derived silver nanoparticles show antibacterial activity but cytotoxicity, while others have limited activity.
bioRxiv · Feb 14, 2026 · PreprintBiochemistry