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
New Blood (Blood, Sweat & Tears album) Bargeron on trombone and Lou Marini on sax." Album - Billboard (United States) New Blood (Blood, Sweat & Tears album) New Blood is the fifth album by the band Blood, Sweat & Tears, released in 1972. With David Clayton-Thomas leaving as lead vocalist to pursue a solo career after the release of "BS&T 4", a nearly wholesale personnel change occurred for "New Blood". Difficulties had arisen inside the group between its pop-rock and jazz factions, with Clayton-Thomas choosing to leave in early January 1972, along with founding member Fred Lipsius. Clayton-Thomas was briefly replaced by Bobby Doyle, and a photo