Serum-separating tube Serum-separating tube Serum-separating tubes, also known as serum separator tubes or SSTs, are used in medical clinical chemistry tests requiring blood serum. SSTs are sometimes called "marble-top tubes," "tiger-tops," or "gold-topped tubes", referring to the stoppers which are either gold, red with a gold ring on top, or marbled red and grey. Marble-top tubes are also referred to as "tiger-tops" in some clinics. SPS tubes have a paler colour, sometimes leading confusion; these are known as "yellow tops" not "gold". Trademarked versions include Covidien "Corvac" tubes. They contain a special gel that separates blood cells from serum, as well as
Blood Sweat and Wars Blood Sweat and Wars Blood, Sweat and Wars is an upcoming Irish film written, produced and directed by Stephen Patrick Kenny and based on events that occurred in and around Galway city and County from 1987 to 2009. The film is about the Longs and the Burkes, two families who are Galway’s biggest drug suppliers and involved in a deadly feud stemming from attempting to run organized crime in Galway. The film portrays the underground crime scene, bare-knuckle fighting, and young boys being sold as escort slaves. Written and performed by Stephen Burns, the song "Blood Sweat and Wars" also