Biosynthesis of Copper Oxide Nanoparticles Using Streptomyces MHM38 and Its Biological Applications

Figure 2

UV-visible absorption spectrum of copper nanoparticles synthesized using 15 ml of cell-free Streptomyces sp. MHM38 supernatant of 72 h old culture added to 15 ml of 1 mM CuSO₄ solution and incubated statically.