Research Article

Extracellular Biosynthesis of Silver Nanoparticles Using Escherichia coli ATCC 8739, Bacillus subtilis ATCC 6633, and Streptococcus thermophilus ESh1 and Their Antimicrobial Activities

Figure 3

(a, b, and, c) show X-ray powder diffraction of silver nanoparticles produced by E. coli, B. subtilis and St. thermophilus, respectively.
385480.fig.003a
(a)
385480.fig.003b
(b)
385480.fig.003c
(c)