this post was submitted on 11 Jun 2025
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The artificial blood is created by extracting hemoglobin — a protein containing iron that facilitates the transportation of oxygen in red blood cells — from expired donor blood. It is then encased in a protective shell to create stable, virus-free artificial red blood cells. As these artificial cells have no blood type, there is no need for compatibility testing. The synthetic blood can reportedly be stored for up to two years at room temperature and five years under refrigeration.

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[–] Goretantath@lemmy.world 14 points 1 day ago (1 children)

Oh, so its recycled blood. Ok.

[–] runner_g@lemmy.blahaj.zone 14 points 1 day ago (1 children)

It's up cycled blood. They take hemoglobin from expired blood (the part that actually carries the oxygen) and wrap it in an artificial cell that lacks the proteins related to blood type. This allows it to be accepted by all people.

[–] a_wild_mimic_appears@lemmy.dbzer0.com 4 points 16 hours ago* (last edited 16 hours ago)

Slight correction: blood type is defined by different sugar complexes attached to the cell surface, not proteins, which only serve as anchoring in the cell wall for those sugars 🤓

sugar complexes

But yeah, the anchoring proteins are missing too 😁