Fetal bovine serum and virus, endotoxin, haemoglobin, IgG and total protein assays. Ethical questions have been raised regarding the blood collection process due to the potential suffering caused to the fetus. Although anoxia or active slaughter could be used to induce unconsciousness or death prior to serum harvesting, exposure of live unborn calves to oxygen can cause them to gain awareness before being killed, resulting in active debate about the ethics of harvesting serum. Fetal bovine serum is commercially available from many manufacturers, and because cells grown in vitro are highly sensitive, customers usually test specific batches to check for suitability for their
Blood, Sweat & Tea now cited in the NHS's own guidelines on staff blogging. Unusually for a newly published mainstream book, the entire text of the book was placed online under a Creative Commons Licence. The book has also inspired the TV series "Sirens", which first aired in June 2011 on Channel 4. Blood, Sweat & Tea Blood, Sweat & Tea is a book by ambulance technician Brian Kellett, writing under the pseudonym Tom Reynolds, about life in the London Ambulance Service. The book is compiled from posts and correspondence from the blog Random Acts of Reality, one of the earliest high-readership blogs in