re ayurvedic 'bhasmas' the most  ancient applications of nano-medicine that has immense potential to cure ailments?

While the concept of reduction in particle size of metals is prevailing since Charak Samhita, the oldest classical text in ayurveda, the recent studies at the department of Rasa Shashtra, Faculty of Ayurveda, Banaras Hindu University, has claimed the herbo-mineral formulations of ayurveda constituting 'bhasma' to be equivalent and in tune with nanotechnology witnessing production of nanoparticles in contemporary era.