title: Preservation of functional mammalian polysomes by lyophilization.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D004926:Escherichia coli / Q000166:cytology; D005612:Freeze Drying; D005615:Freezing; D010649:Phenylalanine / Q000378:metabolism; D012156:Reticulocytes / Q000166:cytology; D012270:Ribosomes / Q000032:analysis
chemical_list: D010649:Phenylalanine