List of Articles Open Access Article Abstract Page Full-Text 1 - Investigating the antibacterial effect of polar, semi-polar and non-polar fractions of Sarhargol plant extract (Echinacea purpura) on some bacteria causing infection in laboratory conditions behboud jafari Open Access Article Abstract Page Full-Text 2 - Removal of organic substances in aerobic and anaerobic brouch tannery wastewater Ahmad Asl hashemi Open Access Article Abstract Page Full-Text 3 - The Hydrogels and Their Novel Application Amir Sepehrianazar Open Access Article Abstract Page Full-Text 4 - Environment protection in the international leggal system Leila Hemmatzadeh Open Access Article Abstract Page Full-Text 5 - Drug delivery by nanotechnology for censer therapy Saeideh Ebrahimiasl Mina Niusha Open Access Article Abstract Page Full-Text 6 - Synthesis of iron nanoparticles using the aqueous extract of the medicinal plant Trachyspermum copticum L. and studying its antioxidant properties Hojjat Eghbal Nima MohammadNehgad Khiyavi Mehdi Ahmadi Sabegh Mostafa Jahani Jelodarlu Open Access Article Abstract Page Full-Text 7 - Risk assessment of Minab Hazrate Abolfazal hospital with JSA method using PHA-pro software علیرضا Eyvazzadeh kalejahi