title: Amniotic fluid phospholipids measured by continuous-development thin-layer chromatography.
abstract: We describe a one-dimensional thin-layer chromatographic system for separation of amniotic fluid phosphatidylcholine, sphingomyelin, phosphatidylglycerol, phosphatidylinositol, phosphatidylserine, and phosphatidylethanolamine in amniotic fluid. We utilize short-bed continuous development and "high performance" thin-layer chromatography. Phospholipids are detected with an antimony molybdate staining reagent and quantitated by transmittance densitometry. This system is more sensitive to changes in lecithin/sphingomyelin ratios than are planimetric evaluations.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002855:Chromatography, Thin Layer / Q000379:methods; D005260:Female; D006801:Humans; D008832:Microchemistry; D010713:Phosphatidylcholines / Q000032:analysis; D010714:Phosphatidylethanolamines / Q000032:analysis; D010715:Phosphatidylglycerols / Q000032:analysis; D010716:Phosphatidylinositols / Q000032:analysis; D010718:Phosphatidylserines / Q000032:analysis; D010743:Phospholipids / Q000032:analysis*; D011247:Pregnancy; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D010713:Phosphatidylcholines; D010714:Phosphatidylethanolamines; D010715:Phosphatidylglycerols; D010716:Phosphatidylinositols; D010718:Phosphatidylserines; D010743:Phospholipids; D013109:Sphingomyelins