Microbial Production of Silver Nanoparticles

The biological process with the ability to study the shape of particles produced would therefore be a limelight of modern nanotechnology. The bacterial strain Escherichia coli, used for the biosynthesis of silver nanoparticles were investigated. These silver nanoparticles were characterized by means of UV–vis spectroscopy, particle size analyzer. The nanoparticles exhibited maximum absorbance at 400 nm in UV–vis spectroscopy corresponding to the plasmon resonance of silver nanoparticles.