The electrochemical behavior, antifungal and cytotoxic activities of phytofabricated MgO nanoparticles using Withania somnifera leaf extract oleh H.R. Raveesha, S. Nayana, D.R. Vasudha, J.P. Shabaaz Begum, S. Pratibha, C.R. Ravikumara, N. Dhananjaya