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 & Tears (song) in Billboard Japan Hot 100, and selling 4,156 On May 10, 2017, the Japanese version was released, selling 144,234 in the first day, and charting first on Oricon daily chart, and 223,082 according to SoundScan Japan. The song charted 1st on "Oricon" weekly single chart, "Billboard" Japan Hot 100, & top singles sales, selling 310,276 copies in the first week according to SoundScan Japan. The Korean credits are adapted from the CD liner notes of "Blood, Sweat, & Tears". Blood Sweat & Tears (song) "Blood Sweat & Tears" (; Japanese: ; Hepburn: "Chi, ase, namida") is a song recorded by