Antimicrobial Activity of Silver Nanoparticles Prepared Under an Ultrasonic Field

DOI:

https://doi.org/10.37285/ijpsn.2011.4.3.8

Authors

  • Umadevi M
  • Rani T
  • Balakrishnan T
  • Ramanibai R

Abstract

Nanotechnology has great promise for improving the therapeutic potential of medicinal molecules and related agents. In this study, silver nanoparticles of different sizes were synthesized in an ultrasonic field using the chemical reduction method with sodium borohydride as a reducing agent. The size effect of silver nanoparticles on antimicrobial activity were tested against the microorganisms Staphylococcus aureus (MTCC No. 96), Bacillus subtilis (MTCC No. 441), Streptococcus mutans (MTCC No. 497), Escherichia coli (MTCC No. 739) and Pseudomonas aeruginosa (MTCC No. 1934). The results shows that B. subtilis, and E. coli were more sensitive to silver nanoparticles and its size, indicating the superior antimicrobial efficacy of silver nanoparticles. 

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Keywords:

Optical absorption, silver NP, particle size analyzer, antimicrobial activity, size effect

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Published

2011-11-30

How to Cite

1.
M U, T R, T B, R R. Antimicrobial Activity of Silver Nanoparticles Prepared Under an Ultrasonic Field. Scopus Indexed [Internet]. 2011 Nov. 30 [cited 2024 Dec. 10];4(3):1491-6. Available from: https://www.ijpsnonline.com/index.php/ijpsn/article/view/442

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Research Articles

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