List of Articles Open Access Article Abstract Page Full-Text 1 - A brief review of the quality of drinking water in Tabriz city Ahmad Asl hashemi Open Access Article Abstract Page Full-Text 2 - Recent review for removal of toxic metal ions by polymeric hydrogels Mehrab Fallahi-Samberan Sameneh Khodadadi Open Access Article Abstract Page Full-Text 3 - Antibacterial Effects of Polar, Semi-Polar, Non-Polar Fractions of Aractium Lappa Extract On Staphylococcus Aureus, Escherichia Coli, Pseudomonas Aeruginosa, Listeria Monocytogenes changiz ahmadizadeh leili rahimi rohollah safari Open Access Article Abstract Page Full-Text 4 - Study of the properties of zinc oxide thin films prepared by sol-gel method Hassan Absalan Open Access Article Abstract Page Full-Text 5 - Phytochemical study of mineral elements of the medicinal plant (Tragopogon collinus) collected from the vegetation areas of northwest Iran Hojjat Eghbal Mehdi Ahmadi Sabegh Open Access Article Abstract Page Full-Text 6 - The extension and depth variations of mineralization under Sungun skarn zone and its effect on areas environment صولت atalou Open Access Article Abstract Page Full-Text 7 - A review on the removal of toxic metal ions by polymer hydrogels samaneh khodadadi Mehrab Fallahi samberan