Huang, N.M., Radiman, S., Lim, H.N., Khiew, P.S., Chiu, W.S., Lee, K.H., Syahida, A., Hashim, R. and Chia, C.H. (2009) Gamma-ray assisted synthesis of silver nanoparticles in chitosan solution and the antibacterial properties. Che- mical Engineering Journal, 155, 499-507.