Aside from bacterial they are used in fungal blood cultures.
Blood tube marble.
Glass 16 x 100 specimen type.
Marble top tube any of a number of blood collection tubes which contain a special gel that separates cells from serum and material that causes clotting.
Draw whole blood in an amount 2 times the required volume of serum so that a sufficient amount of serum can be obtained.
Whole blood draw amount.
The blood is then centrifuged allowing easy removal of serum for testing.
Today these vintage marbles are collected rather than played with.
Most blood collection tubes contain an additive that either accelerates clotting of the blood clot activator or prevents the blood from clotting anticoagulant.
The evacuated tube system for blood collection in use for various laboratory tests consists of tubes of various sizes with color coded tops indicating tube contents.
The 8 5 ml red top tube will yield approximately 3 5 ml serum after clotting and centrifuging.
Serum separating tubes also known as serum separator tubes or ssts are used in medical clinical chemistry tests requiring blood serum.
Refer to specific test for proper tube.
Clot activator gel c.
Tissue typing and some red cross testing.
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.
Hobbyzeal s collection of marbles reveals some secrets on how to identify antique marbles for your collection.
Bd vacutainer plastic tubes offer a safe method of blood collection and reduce the potential for tube breakage and specimen spillage thereby reducing the potential for exposure to bloodborne pathogens.
Marble red red brick red tiger additive.
Computer games are a favorite with children today and games like ringer marble arch lagging etc playing with marbles are yet to captivate the minds of these young ones.
Vials with blue purple and pink top contain enriched soybean casin broth with co2.
