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 T-shirts production of luxury goods in Africa. Stacey Dooley, one of the participants, has presented several shows for BBC Three since 2009 under the title "Stacey Dooley Investigates". Blood, Sweat and T-shirts Blood, Sweat and T-shirts is a British TV documentary series, broadcast in 2008 on BBC Three. The series followed six British fashion consumers aged between 20 and 24 as they travelled to India to live and work alongside Indian garment workers, making clothes destined for sale in British high-street stores. The series was nominated in the Best Factual Series category at the 2009 BAFTA Television Awards. The series was