ABSTRACT
In recent years, nanotechnology has fascinated the scientific community due to its application in diverse fields such as medical, electrical and agricultural practices. The nanoparticle with size ranging between 1 and 100 nm is the essence of nanotechnology. Nanoparticles (NPs) exhibit amplified properties such as large surface area, stability and high reactivity due to their small size. These particles are prepared by physical, chemical and biological means. Due to some limitations in physical and chemical modes, biological modes are considered as a more reliable tool for NP synthesis because it is eco-friendly and cost-effective besides the ubiquitous nature of microbes. NPs can be synthesized by fungi, algae, viruses and bacteria. Bio-fabrication of nanoparticles has immense importance as a more decisive, defensible, prudent and eco-friendly method. This chapter emphasizes on the green synthesis of nanoparticles using microorganisms.
