List of Articles Optode Open Access Article Abstract Page Full-Text 1 - Design and Evaluation of a Mercury (II) Optode Based on Immobilization of 5, 6 Di methyl -1- (4 methyl benzyl) -2- para tolyl-1H-benzimidazole (DMBPTBI) on a Triacetylcellulose Membrane and Determination in Various Samples A. Mosadeghei Fard G. H. Vatankhah Open Access Article Abstract Page Full-Text 2 - Design novel optical sensor for determination of bismuth based on immobilization of 4-(4-nitrophenyl)-1-naphthol on a triacetylcellulose membrane Ali Niazi Shiva Karimi Afshar