%0 Conference Proceedings %T Preparation of Silica-supported Preyssler Nanoparticles and Its Catalytic Performance in Esterification of Acetylsalicylic acid with acetic Anhydride %A Nazari, Hadiseh %A Ahmadpour, Ali %A F.F. Bamoharram %A M.M. Heravi %A Eslamiyakhforouzan, Nesarak %J 2nd Conferences on Applications of Nanotechnology in Sciences, Engineering and Medicine (NTC2011) %D 2011