year 2014, 0 hour of aerobically incubated with 1mM estrone dissolved in DMSO R1
The aerobic activated sludge treatments (1 l activated sludge in 2-l glass flasks) were carried out and were aerobically incubated at 25¡C with stirring at 160 rpm for two weeks. Samples (10 ml) were withdrawn from the sewage treatments at 0 hour and were stored at -80¡C.