Methods for the lyophilization of platelets, platelet membranes

Details Methods for the lyophilization of platelets, platelet membranes Methods for the lyophilization of platelets, platelet membranes

1998-04-15

2000-05-09

Saucier, Sandra E.

Chemistry: molecular biology and microbiology

Maintaining blood or sperm in a physiologically active state...

435 13, A01N 102

Patent

active

060602333

ABSTRACT:
The present invention provides methods for preserving living biological materials by lyophilization that enable cells and tissues to be stored for extended periods of time with minimal loss of biological activity. In one embodiment, the inventive methods comprise contacting a biological material with a preservative solution comprising trimethyl amine oxide, sodium citrate and sodium chloride, reducing the temperature of the biological material to less than 0.degree. C., and drying the biological material to provide a freeze-dried material. The preservative solutions employed in the inventive methods are preferably isotonic with the material to be preserved and substantially free of iodide, dihydrogen phosphate, bicarbonate, nitrate and bisulfate.

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