| inactivation of poliovirus by gamma irradiation of wastewater sludges. | the effect of gamma radiation on poliovirus infectivity seeded in sludge samples was investigated in order to determine the radiation dose required to inactivate 90% of viral infectivity (d10). sludges were obtained from anaerobic pretreated sewages produced by san felipe, a wastewater treatment facility located at the tucuman province, argentina. a d10 of 3.34 kgy was determined for poliovirus type iii, sabin strain, suspended in sludge samples. this value dropped to 1.92 kgy when the virus was ... | 1999 | 10327461 |