title: Preparative-scale isolation of isotopically labeled amino acids.
mesh_terms: D000596:Amino Acids / Q000302:isolation & purification*; D002852:Chromatography, Ion Exchange; D003903:Deuterium; D004926:Escherichia coli / Q000378:metabolism; D007553:Isotope Labeling; D009587:Nitrogen Isotopes
chemical_list: D000596:Amino Acids; D009587:Nitrogen Isotopes; D003903:Deuterium