A method for removing interleukin-1- and tumor necrosis factor-inducing substances from bacterial cultures by ultrafiltration with polysulfone.
Schindler R, Dinarello CA. A method for removing interleukin-1- and tumor necrosis factor-inducing substances from bacterial cultures by ultrafiltration with polysulfone. J Immunol Methods. 1989 Jan 17; 116(2):159-65.