List of Articles Natural Hydrogel Open Access Article Abstract Page Full-Text 1 - Eco-friendly Synthesis of Magnesium Oxide Nanoparticles using Arabic Gum Saeid Taghavi Fardood Ali Ramazani Sang Woo Joo Open Access Article Abstract Page Full-Text 2 - Green Synthesis of α-Fe2O (hematite) Nanoparticles using Tragacanth Gel Saeid Taghavi Fardood Ali Ramazani Zahra Golfar Sang Woo Joo