| 摘要 |
1459733 Reagent for testing for endotoxins BAXTER LABORATORIES Inc 22 April 1975 [1 May 1974] 16510/75 Heading GIB A solution of lysed Limulus blood cells, used for testing for endotoxins, has its sensitivity increased by being frozen, thawed and filtered through a filter, which is of 2Á or less nominal pore size. A preliminary filtration step may be used after thawing to remove coarse particles and the fine filtration may be performed in two separate stages. The temperature is preferably maintained at < 20‹C during the thawing step. |
