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  Journal of Nanoscience Letters 2014, 4: 15
  Research Article
 
A simple method for preparation of Ag nanoparticle loaded mesoporous γ-Al2O3 and their antibacterial property
  Desagani Dayanandaa, Vilas Desaib, Bhanudas Naika, Meenal Kowshikb, Vadakkethonippurathu Sivankutty Prasadc, Narendra Nath Ghosha  
     
a Nano- Materials Lab, Department of Chemistry, Birla Institute of Technology and Science Pilani, K. K. Birla Goa campus, Zuarinagar, Goa 403726, India
b Department of Biology, Birla Institute of Technology and Science Pilani, K. K. Birla Goa campus, Zuarinagar, Goa 403726, India
c Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Thiruvananthapuram 695019, Kerala, India

   
  Abstract  
  A simple synthetic method has been reported for the preparation of Ag nanoparticle loaded mesoporous γ-Al2O3. The synthesized materials were characterized by N2 adsorption-desorption analysis, X-ray diffraction, particle size analysis and high resolution transmission electron microscopy analysis. Antibacterial activity of Ag nanoparticle loaded γ-Al2O3 samples was investigated using Escherichia coli (E. coli) as model organism. Minimum Inhibitory Concentration (MIC) values for the synthesized samples were determined by tube dilution method using Mueller Hinton broth as medium. The Minimum Bactericidal Concentration (MBC) values of the samples were determined by plating out the MIC tube suspensions on nutrient agar plates. These results indicated that the synthesized materials exhibited very good antibacterial property.
     
  Keywords  
  Mesoporous; E. coli; Antibacterial; Ag nanoparticles; γ – alumina  
     
   
   
   
   
     

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