Anti-bacterial activity 1 Antibacterial 1 Antibacterials 1 Bacteria 1 Crystallinity 1 Dosimetry 1 Gamma irradiation 1 Gamma rays 1 Green synthesis 1 Irradiation 1 Metal ions 1 Metal nanoparticles 1 Nanoparticle synthesis 1 Particle size 1 Particle size analysis 1 Property 1 Pullulan 1 Pullulans 1 Radiation-induced 1 Silver nanoparticles 1 Surface plasmon resonance 1 Synthesis (chemical) 1 TEM images X ray diffraction 1 XRD 1 Zeta potential 1