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Mamun Or Rashida M, Shafiul Islam M, Azizul Haque M, et al. Antibacterial Activity of Polyaniline Coated Silver Nanoparticles Synthesized from Piper Betle Leaves Extract. Iran J Pharm Res. 2016;15(2):591-7
Mamun Or Rashida, M., Shafiul Islam, M., Azizul Haque, M., Arifur Rahman, M., Tanvir Hossain, M., & Abdul Hamid, M. (2016). Antibacterial Activity of Polyaniline Coated Silver Nanoparticles Synthesized from Piper Betle Leaves Extract. Iranian journal of pharmaceutical research : IJPR, 15(2), 591-7.
Mamun Or Rashida, Md, et al. "Antibacterial Activity of Polyaniline Coated Silver Nanoparticles Synthesized from Piper Betle Leaves Extract." Iranian journal of pharmaceutical research : IJPR vol. 15,2 (2016): 591-7.
Mamun Or Rashida M, Shafiul Islam M, Azizul Haque M, Arifur Rahman M, Tanvir Hossain M, Abdul Hamid M. Antibacterial Activity of Polyaniline Coated Silver Nanoparticles Synthesized from Piper Betle Leaves Extract. Iran J Pharm Res. 2016;15(2):591-7. PMID: 27642330; PMCID: PMC5018287.
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Iran J Pharm Res. 2016;15(2):591-7.

Antibacterial Activity of Polyaniline Coated Silver Nanoparticles Synthesized from Piper Betle Leaves Extract.

Iranian journal of pharmaceutical research : IJPR

Md Mamun Or Rashida, Md Shafiul Islam, Md Azizul Haque, Md Arifur Rahman, Md Tanvir Hossain, Md Abdul Hamid

Affiliations

  1. Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh.
  2. Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh.
  3. Department of Microbiology, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh.

PMID: 27642330 PMCID: PMC5018287

Abstract

Plants or natural resources have been found to be a good alternative method for nanoparticles synthesis. In this study, polyaniline coated silver nanoparticles (AgNPs) synthesized from Piper betle leaves extract were investigated for their antibacterial activity. Silver nanoparticles were prepared from the reduction of silver nitrate and NaBH4 was used as reducing agent. Silver nanoparticles and extracts were mixed thoroughly and then coated by polyaniline. Prepared nanoparticles were characterized by Visual inspection, Ultraviolet-visible spectroscopy (UV), Fourier transform infrared Spectroscopy (FT-IR), Transmission Electron Microscopy (TEM) techniques. Antibacterial activities of the synthesized silver nanoparticles were tested against Staphylococcus aureus ATCC 25923, Salmonella typhi ATCC 14028, Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 27853. UV-Vis spectrum of reaction mixture showed strong absorption peak with centering at 400 nm. The FT-IR results imply that Ag-NPs were successfully synthesized and capped with bio-compounds present in P. betle. TEM image showed that Ag-NPs formed were well dispersed with a spherical structures and particle size ranging from 10 to 30 nm. The result revealed that Ag-Extract NPs showed 32.78±0.64 mm zone of inhibition against S. aureus, whereas norfloxacin (positive control) showed maximum 32.15±0.40 mm zone of inhibition for S. aureus. Again, maximum zone of inhibition 29.55±0.45 mm was found for S. typhi, 27.12±0.38 mm for E. coli and 21.95±0.45 mm for P. aeruginosa. The results obtained by this study can't be directly extrapolated to human; so further studies should be undertaken to established the strong antimicrobial activity of Ag-Extract NPs for drug development program.

Keywords: Ag-Extract nanoparticles; Antibacterial activity; Piper betle; Silver Nanoparticles; Zone of inhibition

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