The cryopreservation of cells and tissues is crucial in biomedical research and in modern medicine. Red blood cells are crucial and are currently stored in glycerol. In the latest work from the GibsonGroup they show that an unconventional cryopreservation mixture, including synthetic polymers, can be used to protect red blood cells during freezing and results in high recovery, even with larger volumes. Crucially, this mixture is very easy to wash-out post-thaw.

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