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Feedback: A potential solution for freeze-dried blood?
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Feedback: A potential solution for freeze-dried blood?
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Feedback: A potential solution for freeze-dried blood?
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18/04/2016 09:50:01 »
Keith Holt asked the Naked Scientists:
In a recent broadcast on Radio Norfolk one of the contributors, a member of the team of three, described how she was trying to solve the problem of freeze drying blood, and the such like, in order to preserve it and be useable fresh again after it is rehydrated. It seems from what she said that freezing pulps the cells on rehydration.
I save seeds of strawberries and tomatoes to use at a later date by sucking all the moisture from them by spreading them on an absorbent materiel, in my case a piece of kitchen roll. The seeds soon regenerate months later when moistened prior to use.
Might this approach be worth trying before freezing cells because if they contain no moisture the they will not crystallise within. Just a thought which you will probably shoot holes in. Keith, Norwich
What do you think?
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Last Edit: 18/04/2016 09:50:01 by _system
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