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Uniform spherical silver nanoparticles with about 26 nm and good stability were synthesized by facile gallic acid reduction method. The antimicrobial activity of silver nanoparticles was investigated using several representative microbial species including gram-negative bacterium (Escherichia coli), gram-positive bacteria (Staphylococcus aureus, Bacillus subtilis and Streptomyces kanamyceticus) and...
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