%0 Journal Article %T Electrochemical behavior of para-nitroaniline at a new synthetic crown ether-silver nanoparticle modified carbon paste electrode %A Arbab Zavar, Mohammad Hossein %A Heydari, Somayeh %A Ronaghi, Gholam Hossein %A Eshghi, Hossein %A Azizi Toupkanloo, Hossein %J Analytical Methods %@ 1759-9660 %D 2012