List of Articles coloration Open Access Article Abstract Page Full-Text 1 - Degradation rate of Methyl Orange organic dye by high voltage spark plasma faezeh rahimi mahdi momeni mansour arab chamjangali 10.30495/jest.2022.59963.5364 Open Access Article Abstract Page Full-Text 2 - Transition-metal modified mesoporous silica nanoparticles as highly effective heterogeneous catalysts for discoloration of Basic red 5 in aqueous solution Fatemeh Mahfoozi Ali Mahmoudi Mohammad Reza Sazegar Khodadad Nazari 10.30495/ijc.2022.1949927.1911 Open Access Article Abstract Page Full-Text 3 - The effect of walnut''s green skin on coloration of Oscar fish (Astronotus ocellatus) M. Abbasi Oghda A. Vosooghi A. Matinfar Open Access Article Abstract Page Full-Text 4 - The Effect of walnut shell on coloration of Koi fish (Cyprinus carpio) H. Ghazvini A. Vosoughi A. Matinfar