List of Articles Open Access Article Abstract Page Full-Text 1 - Spectrophotometric Study of 4-Chloro-2-Nitrophenol Removal From Aqueous Solutions Onto Modified Nano-Graphene Open Access Article Abstract Page Full-Text 2 - HClO4-SiO2as an Efficient and Reusable Heterogeneous Catalyst for the Synthesis of 1-substituted Tetrazoles Open Access Article Abstract Page Full-Text 3 - Correlation between Physico-Mechanical Properties of Rubber Compounds with Their Microstructure Open Access Article Abstract Page Full-Text 4 - Efficient Copper-catalyzed Cyanation of Aryl Bromides Using 1,3-phenylene-bis-(1H)-tetrazole as an Efficient Ligand Open Access Article Abstract Page Full-Text 5 - Chemical compositions study of two different genus of Origanum’s essential oils Open Access Article Abstract Page Full-Text 6 - The synthesis and characterization of Ni (II) and Fe(III) complexes with Schiff base ligand prepared from Aminomethyl benzene Open Access Article Abstract Page Full-Text 7 - Antibacterial Activity of Essential Oil of Lemon Balm (Melissa Officinalis L) Open Access Article Abstract Page Full-Text 8 - An Eco-friendly N-formylation of Amines Using Nano Cerium Oxide asa Recyclable Catalyst Under Solvent-free and Ultrasound IrradiationConditions at Room Temperature