Figure 2: Transmission electron micrographs of the bioreduced CuNPs at different magnifications. (a) Monodispersed spherical nanoparticles with inset bar equivalent to 1000 nm, (b)Isolated nano spheres with inset bar equivalent to 500 nm, (c) and (d) Nanoparticles ranging from 80 to 130 nm with inset bar equivalent to 200 nm.