3 current methods of artificial blood:
1)
Human Blood Donation
“Human Blood Donation” is self-explanatory. Services such as the Australian Red Cross, encourages individuals to donate blood for various reasons such as for those unable to produce white blood cells.
See
http://www.giveblood.redcross.org.au/Donor/aboutblood/howused.asp for a range products extracted from blood.
2)
Synthesis in the laboratory
There are two types of synthesized blood: Perfluorochemicals and Haemoglobin-based oxygen carriers,
Perfluorochemicals are free of biological materials such as lipids which makes them advantageous in mixing up with anyone’s blood stream without the fuss of matching blood types. They carry 50 times more oxygen than ordinary blood plasma.
Haemoglobin-based oxygen carriers (HBOCs), are made from haemoglobin extracted from red blood cells. HBOCs do not contain a membrane. This membrane contains the antigens that determine the blood type. Therefore, HBOCs allows immediate use such as victims in a severe car accident who is suffering blood loss.
3)
Recombinant DNA Techonology
I'm not too sure what "Recombinant DNA Techonlogy" has got to do anything with the production of artificial blood. From my understanding, Recombinant DNA Techonlogy is a method in which we recombine DNA segments. I can only think the reason why it is relevant to the 'artificial blood' topic is that the technology can be used to produce organisms that can now generate haemoglobin, whose parents lacked the ability to do so.