Background: Medical Equipments have main rule in patients diagnosis and therapy trend and society health. In addition, technology development and increasing prices of these equipments cause vast quantity of exchange is designated to equipments import. Regarding to present level of economical development ability of manufacturing for different kinds of medical equipments is high in our country, t...

Biodegradation is an economical and efficacious option to purification among purifying methods. Capable PAHs degrading microorganisms are common in sediments contaminated by these compounds. Purifying ability enhance with biosurfactant production by microorganisms. Hence in this research after isolation and identification of two antheracen resistant bacteria, Pesudomonas aeruginosa and Pesudomo...