By using preservatives
The best way to preserve cord blood is at a blood bank specializing in this service. It is a very narrow field with very specialized restrictions to be done safely.
Because eating blood is wrong.Also it preserve the meat longer
Charles R. Drew discovered a way to preserve blood in the form of plasma.
menstruation
There are many agencies that will actually preserve cord blood. Some of these are cordbloodbank.com, familycord.com, babycordjordan.com. Scientists have discovered there is a huge benefit in storing the cord from the baby's birth as it can lead to the treatment of many diseases
To collect blood safely and preserve it safely. To motivate people to donate people. To educate people about the composition and types of blood group
Some of the tubes have special ingredients in them that mix with the blood to preserve it others do not. The lab tech has a sheet which tells them which blood tests are run from which tube.
charles richard drew lol
A complete blood count (CBC) is typically drawn in a purple-colored blood tube, which contains the anticoagulant EDTA to preserve the sample and prevent clotting.
The tube typically used for HgbA1C blood test is purple or lavender. These tubes contain an EDTA anticoagulant which helps preserve the blood sample for accurate testing.
The blood functions at 38 degree celsius, but when you're sending a sample to the lab, you're measuring components of blood, not its function. Sometimes you need to preserve those components via refrigeration.
The color of blood tube commonly used for HIV testing is lavender or purple. This tube contains the anticoagulant EDTA which helps preserve the blood sample prior to testing for HIV.