The use of Sephadex for the concentration of pteridines.
D000818:Animals; D002852:Chromatography, Ion Exchange; D003911:Dextrans; D004330:Drosophila / Q000032:analysis; D005453:Fluorescence; D005470:Fluorometry; D005492:Folic Acid / Q000032:analysis; D011621:Pteridines / Q000032:analysis*; D012246:Rhodospirillum / Q000032:analysis; D013768:Tetrahymena / Q000032:analysis
D003911:Dextrans; D011621:Pteridines; D005492:Folic Acid