International Scholarly Research Notices / 2011 / Article / Fig 1

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 1

Solutions of silver nitrate after exposure to the culture supernatant of (from left to right) E. coli ATCC8739, B. subtilus ATCC6633, and St. thermophilus ESh1.