| In situ synthesis and characterization of silver nanoparticles embedded in chitosan/polyvinyl alcohol hydrogel by gamma irradiation |
| Paper ID : 2203-UFGNSM13-FULL (R1) |
| Authors: |
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Nahid Hemmati Nejad1, Azadeh Bashari2 1Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran 2textile engineering department,amirkabir university of technology, Hafez ave, Tehran |
| Abstract: |
| The present investigation involves the in situ green synthesis of silver nanoparticles (AgNPs) and chitosan /polyvinyl alcohol (PVA) hydrogel by gamma irradiation simultaneously. The synthesized silver nanoparticles embedded in chitosan/polyvinyl alcohol hydrogel were characterized using field emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), dynamic light scattering (DLS) and UV-visible spectroscopy. The obtained results from DLS confirmed that, the average size of hydrogel containing silver nanoparticles was about 96 nm. FE-SEM and EDS analysis showed the presence of silver nanoparticles in chitosan/PVA hydrogel. The antibacterial efficacy of synthesized hydrogel nanocomposite was evaluated against both gram-negative (E. coli) and gram-positive (S. aureus) bacterium. Results of antibacterial activity of prepared hydrogel nanocopmposite revealed that the hydrogel could be a promising candidate for antibacterial and biomedical applications. |
| Keywords: |
| in situ green synthesis, gamma irradiation, silver nanoparticles, antibacterial |
| Status : Paper Accepted (Poster Presentation) |
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