Long term storage of red cells in unfrozen solution

Chemistry: molecular biology and microbiology – Maintaining blood or sperm in a physiologically active state...

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424529, 424533, A01N 102, A61K 3514, A61K 3518

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active

056019726

ABSTRACT:
A method for prolonging storage shelf-life of red blood cells under refrigerated conditions includes separating plasma from the red blood cells while retaining residual plasma and adding a biologically compatible solution having an effective osmolality of less than 70 mOsm to the red blood cells. The biologically compatible solution preferably includes at least one penetrating solute that penetrates red cells more slowly than water and substantially no non-penetrating anions and non-penetrating non-electrolytes.

REFERENCES:
patent: 4061537 (1977-12-01), Seiler et al.
patent: 4585735 (1986-04-01), Meryman et al.
patent: 5250303 (1993-10-01), Meryman et al.
Law, P., Cryopreservation of Platelets: Current Status, Plasma Ther Transfus Technol 1982 3: 317-326.
H. T. Meryman, "Influence of certain neutral solutes on red cell membrane area and permeability during hypotonic stress," American Journal of Physiology, vol.225, No.2, Aug. 1973.

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