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Polyacrylonitrile (PAN)/polyvinylidene fluoride (PVDF) nanofibers incorporated with AgNO 3  in various concentrations were produced as membranes and investigated for their antibacterial properties and air permeability. To characterize the AgNO 3  incorporated PAN/PVDF nanofibers Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), Fourier-Transform Infrared (FT-IR) Spectroscopy, the Brunauer–Emmett–Teller (BET) method and air permeability analyses were carried out. Based on the SEM results, the prepared nanofibers had a smooth and beadless surface. For 20 wt% PVDF concentration, AgNO 3  addition up to 20 wt% did not disrupt the fiber structure. The antibacterial activity of the AgNO 3  incorporated PAN/PVDF nanofibrous membranes were investigated against bacterial strains of  E. coli  and  S. aureus.  For each AgNO 3  concentration from 5 wt% to 20 wt%, the PAN/PVDF nanofibrous membranes showed antibacterial activity in correspondence with the measured inhibition zones. However, the 10 wt% AgNO 3  concentration was found to be the optimum concentration providing desirable nanofiber morphology and antibacterial properties. Air permeability findings of the nanofibrous membranes did not show a significant difference for the tested AgNO 3  concentrations. In summary, the results indicated that AgNO 3  incorporated PAN/PVDF nanofibrous membranes are appropriate for use as air filtration materials.

journal of macromolecular science, part b

Antibacterial Activity of AgNO 3  Incorporated Polyacrylonitrile/Polyvinylidene Fluoride (PAN/PVDF) Electrospun Nanofibrous Membranes and Their Air Permeability Properties