List of Articles کو هیدروژل Open Access Article Abstract Page Full-Text 1 - Preparation of Poly (Vinylpyrrolidone-Co-Allylamine Hydrochloride) Cohydrogel and Investigation of Adsorption of Nanonitrophenol Derivatives from Contaminated Water Afsaneh Mohammadpour Amir Sepehrian Azar Mohsen Fami