Fetal bovine serum specific cell type. When changing from batch to batch it is usual to adapt the cells to the new batch of material, for example, by mixing 50% of the old serum with 50% of the new serum and allowing the cells to acclimatise to the new material. Serum is stored frozen to preserve the stability of components such as growth factors. When serum is thawed, some precipitation may be seen. This is a normal phenomenon and it does not compromise the quality of serum in any way. The precipitate may be removed by transferring the serum to sterile tubes and
Blood, Sweat and Stanley Poole Critic's Circle Award. The production transferred to Los Angeles. The "Los Angeles Times" called it "a routine service comedy." Blood, Sweat and Stanley Poole Blood, Sweat and Stanley Poole is a 1961 play by William Goldman and James Goldman. Both Goldman brothers had served in the army and the play is about a supply sergeant at an army post in the south. William Goldman later recalled "we had both been in the army at the same time and it seemed like a decent enough idea and magically we got it on." William and James Goldman had been permitted to serve