Synthesis and Characterization of PEG-Ag Nanoparticles: Investigation of their Antibacterial Properties.
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 2
Abstract
The polyethylene glycol capped silver nanoparticles have been synthesized through the aqueous preparation method by means of exploiting polyethylene glycol as reducing agent. The chain length of polyethylene glycol plays an important role in the formulation of silver nanoparticles. In the current study, AgNO3 acts as a precursor, polyethylene glycol used as the reducing as well as a capping agent and the pH of the reaction mixture was maintained by using NaOH solution. X-ray diffraction, UV-Visible, Fourier transform infrared spectroscopy, Scanning electron microscope and Energy dispersive spectroscopy measurements were performed to confirm the formation of the polyethylene glycol capped silver nanoparticles. The size of the polyethylene glycol capped silver nanoparticles was found to be 17 nm by using the Debye-Scherer formula. This polyethylene glycol capped silver nanoparticles were tested for Antibacterial activity against four tested bacteria Bacillus subtillis, Klebsiella pneumonia, Pseudomonas putida, staphylococcus aureus which was proved to be a good effect.
Authors and Affiliations
Reshma . , Sandupatla Raju, Puppala Veerasomaiah
Keywords
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- EP ID EP413963
- DOI 10.9790/5736-1102010712
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