Serum (blood) toxic response. Blood is centrifuged to remove cellular components. Anti-coagulated blood yields plasma containing fibrinogen and clotting factors. Coagulated blood (clotted blood) yields serum without fibrinogen, although some clotting factors remain. Serum is an essential factor for the self-renewal of embryonic stem cells in combination with the cytokine leukemia inhibitory factor. The serum of convalescent patients successfully recovering (or already recovered) from an infectious disease can be used as a biopharmaceutical in the treatment of other people with that disease, because the antibodies generated by the successful recovery are potent fighters of the pathogen. Such "convalescent serum" (antiserum) is a
Blood, Sweat and Tears (album) Blood, Sweat and Tears (album) Blood, Sweat and Tears is the fifteenth album by singer Johnny Cash, released in 1963 (see 1963 in music). It is a collection of songs about the American working man. This includes "The Legend of John Henry's Hammer" and "Busted", the latter of which would become a single. Both would also be performed by Cash during his famous 1968 concerts at Folsom Prison and be included in the 1999 extended reissue of the album, "At Folsom Prison". The album was included on the Bear Family Records box set "Come Along and Ride This Train". Additional