The nanoparticles have enormous applications in every field of our life. Nanotechnologist Prof. Rameshwar Bhargava of USA motivated us in the area of medical nanotechnology. Authors have tried to unravel their application in pharmaceutical and cosmeceutical industry especially as antimicrobial agent through synthesis, characterization, mechanism of action and formulations of various nanoparticles.

Of all the natural resources available for mankind, water is the most prominent, life supporting and life sustaining resource. Water pollution in the environment as a cause of various anthropogenic processes, has put a question on the potability of the water available from various natural and municipal sources making it unsafe for drinking. Various tools and techniques are being used for water purification, but these techniques are out of the reach of common people, due to their incurred cost. In order to get pure drinking water for each and every person, herbs can play a tremendous role in...