DailyDirt: What Kind Of Blood Do You Have?

from the urls-we-dig-up dept

Artificial human blood could make medicine a whole lot easier — with no more blood drives or inefficient blood matching and possible harmful immune responses to blood transfusions. But until we perfect a way to grow human blood instead of siphoning it out of other people’s veins, we’re stuck with a somewhat tricky supply chain of a vital fluid. Researchers and vampires are very interested in the field of blood, and if you’re not too queasy, check out these links.

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Comments on “DailyDirt: What Kind Of Blood Do You Have?”

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Lawrence D’Oliveiro says:

Haemoglobin And Chlorophyll ...

… both contain the same structure of four pyrrole rings in a ring (yes, a ring of rings) with a metal atom in the middle. In blood (the “haem” part of the molecule) this metal is iron; in plants, it is magnesium.

The difference in colour (red versus green) comes down to that metal atom.

Anonymous Coward says:

Re: Haemoglobin And Chlorophyll ...

I inherited a rare condition in which instead of a ring of pyrrole rings, my hemoglobin* is structurally an instance of Antoine’s Necklace. Makes it difficult for doctors to take a sample in finite time, but the up side is that I can’t bleed to death.

* – I’m in the US, so US spelling. Using ‘extra’ vowels lands us on the Do Not Fly list.

Lloyd Old says:

“their blood is an extraordinarily ‘universal’ blood type that can be donated to a wide population of people because it doesn’t trigger an immune response.” This is completely false–get a new science fact checker. They don’t trigger an immune response to the Rh protein, but any other protein in blood is fair game.

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