List of Articles Salt Open Access Article Abstract Page Full-Text 1 - Spectrophotometric Determination of Protonation Constants of T ry p to ph an at Different Ionic Strengths and Various Ionic Media Al' Shamel Masumeh Asgharian Farrokh Gitarib Open Access Article Abstract Page Full-Text 2 - Structural investigation of complexes formed by DNA+CTAB and DNA+DDAB and Designing a method to increase salt ions between DNA and the Surfactant rods. E. Moniri F. Gharib M. Monajjemi K. Zare Open Access Article Abstract Page Full-Text 3 - Selective Membrane Electrode for Bromide Ion Based on Aza Pyrilium Ion Derivative as a new Ionophore. Hossein Aghaie Karim Zare Ali Reza Abedin Mehran Aghaie Open Access Article Abstract Page Full-Text 4 - Interaction of Thallium (I) with Cytidine 5-Monophosphate in Different Ionic Strengths and Various Media Farhoush i Kian Farrokh Gharib