1239 DISATURATED PHOSPHATIDYLCHOLINE AND PRENATAL PREDICTION OF PULMONARY MATURITY
نویسندگان
چکیده
منابع مشابه
Isolation of disaturated phosphatidylcholine with osmium tetroxide.
A simple, rapid, inexpensive method for isolating disaturated phosphatidylcholine from adult rat lung has been devised. Total lipids are reacted with osmium tetroxide dissolved in carbon tetrachloride, and the disaturated phosphatidylcholine is isolated on a column of neutral alumina. More than 99% of the fatty acids in the phosphatidylcholine fraction are saturated and 94% of this material mig...
متن کاملImproved thin-layer chromatography of disaturated phosphatidylcholine in amniotic fluid.
We describe an indirect test of fetal lung maturity: the quantitation of disaturated phosphatidylcholine in amniotic fluid. The lipids in samples of amniotic fluid from 172 patients were reacted with osmium tetroxide, and disaturated phosphatidylcholine was then isolated by thin-layer chromatography. Interfering substances were retained by a pre-adsorbent layer. The charred disaturated phosphat...
متن کاملDetermination of phosphatidylcholine and disaturated phosphatidylcholine content in lung surfactant by high performance liquid chromatography.
A rapid isocratic method for determining the total phosphatidylcholine and disaturated phosphatidylcholine levels in lung surfactant preparations by high performance liquid chromatography (HPLC) is described. The analysis was performed on a 3.9 x 300 mm mu-Porasil column with detection by refractive index. The lipids were eluted with a solvent system of chloroform-acetonitrile-methanol-water-85...
متن کاملSingle plate separation of lung phospholipids including disaturated phosphatidylcholine.
We have developed an improved thin-layer chromatographic method for separation of lung phospholipids. Individual phospholipids are completely separated in the first dimension. All phospholipids, except phosphatidylcholine, are then removed. The phosphatidylcholine-containing area is reacted with osmium tetroxide and saturated phosphatidylcholine species are separated from the unsaturated oxidat...
متن کاملDisaturated-phosphatidylcholine and Surfactant protein-B turnover in human acute lung injury and in control patients
BACKGROUND Patients with adult respiratory distress syndrome (ARDS) and acute lung injury (ALI) have low concentrations of disaturated-phosphatidylcholine and surfactant protein-B in bronchoalveolar lavage fluid. No information is available on their turnover. OBJECTIVES To analyze disaturated-phosphatidylcholine and surfactant protein-B turnover in patients with ARDS/ALI and in human adults w...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1978
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-197804001-01245