HPLC Analysis of Amino Acids with Ion Exchange Chromatography and O-Phthalaldehyde Post-Column Derivatization: Applications to the Assay of Endogenous Free Amino Acids and Their Transport in Human Placental Villus

References

• Milne , M. D. 1970 . Some abnormalities of amino acid metabolism, Biochemical Disorders in Human Disease , Edited by: Thompson , R. H.S. and Wootton , I. D.P. 553 – 608 . New York : Academic Press .
   Google Scholar
• Sourkes , T. L. 1962 . Proteins and amino acids, Biochemistry of Mental Disease , 14 – 30 . New York : Harper & Row Publishers .
   Google Scholar
• Sastry , B. V.R. , Tayeb , O. S. , Janson , V. E. and Owens , L. K. 1981 . Peptides from human placenta: Methionine enkephalin and Substance P . Placenta , : 327
   PubMedGoogle Scholar
• Sastry , B. V.R. , Janson , V. E. , Owens , L. K. and Tayeb , O. S. 1982 . Enkephalin-like and Substance P-like immunoreactivities of mammalian sperm and accessory sex glands . Biochem. Pharmacol. , 31 : 3519
   PubMed Web of Science ®Google Scholar
• Chambers , J. W. , Georg , R. H. and Bass , A. D. 1966 . The effect of ethanol on the uptake of α-aminoisobutyric acid by the isolated perfused rat liver . Life Sci. , 5 : 2293
   PubMedGoogle Scholar
• Sastry , B. V.R. , Barnwell , S. L. and Moore , R. D. 1983 . Factors affecting the uptake of α-amino acids by huyman placental villus: Acetylcholine, phospholipid methylation, Ca++ and cytoskeletal organization . Trophoblast Research , 1 : 81
   Google Scholar
• Barnwell , S. L. and Sastry , B. V.R. 1983 . Depression of amino acid uptake in human placental villus by cocaine, morphine and nicotine . Trophoblast Research , 1 : 101
   Google Scholar
• Sastry , B. V.R. 1984 . Amino acid uptake by human placenta: Alterations by nicotine and tobacco smoke components and their implications on fetal growth, Physiological and Pharmacological Control of Nervous System Development , Edited by: Caciagli , F. , Giacobini , E. and Paoletti , R. 137 – 140 . Amsterdam : Elsevier Science Publishers .
   Google Scholar
• Stein , W. H. and Moore , S. 1954 . The free amino acids of human blood plasma . J. Biol. Chem. , 211 : 915
   PubMed Web of Science ®Google Scholar
• Lee , K. S. and Drescher , D. G. 1978 . Minireview: Fluorometric amino acid analysis with o-Phthaldialdehyde (OPA) . Int. J. Biochem. , 9 : 457
   PubMedGoogle Scholar
• Hill , D. , Burnworth , L. , Skea , W. and Pfeifer , R. 1982 . Quantitative HPLC analysis of plasma amino acids as orthophthaldialdehyde/- ethanethiol derivatives . J. Liq. Chromatogr. , 5 : 2369
   Web of Science ®Google Scholar
• Godel , H. , Graser , T. , Foldi , P. , Pfaender , P. and Furst , P. 1984 . Measurement of free amino acids in human biological fluids by high performance liquid chromatography . J. Chromatogr. , 297 : 49
   PubMed Web of Science ®Google Scholar
• Pfeiffer , R. F. and Hill , D. W. 1985 . High-performance liquid chromatography of amino acids: Ion-exchange and reverse-phase strategies . Adv. Chromatogr. , 22 : 38
   Google Scholar
• Sastry , B. V.R. , Olubadewo , J. , Harbison , R. D. and Schmidt , D. E. 1976 . Human placental cholinergic system: Occurrence, Distribution and variation with gestational age of acetylcholine in human placenta . Biochem. Pharmacol. , 25 : 425
   PubMed Web of Science ®Google Scholar
• Lindblad , B. S. and Baldsten , A. 1967 . The normal venous plasma free amino acid levels of non-pregnant women and of mother and child during delivery . Acta Paediat. Scand. , 56 : 37
   Google Scholar
• Philipps , A. F. , Holzmann , I. R. , Teng , C. and Battaglia , F. C. 1978 . Tissue concentrations of free amino acids in term human placentas . Amer. J. Obstet. Gyunecol. , 131 : 881
   PubMed Web of Science ®Google Scholar
• Blanchard , J. 1981 . Evaluation of the relative efficacy of various techniques for deproteinizing plasma samples prior to high-performance liquid chromatographic analysis . J. Chromatogr. , 226 : 455
   PubMed Web of Science ®Google Scholar
• Christensen , H. N. 1973 . On the development of amino acid transport systems . Fed. Proc. , 32 : 19
   PubMedGoogle Scholar
• Hayter , C. , Hutchinson , E. , Karvonen , M. and Young , M. 1964 . Placental transport of α-aminoisobutyric acid in the unanesthetized guinea pig . J. Physiol., London , 175 : 11p
   Google Scholar
• Fernstrom , M. H. and Fernstrom , J. D. 1981 . Rapid measurement of free amino acids in serum and CSF using high performance liquid chromatography . Life Sci. , 29 : 2119
   PubMed Web of Science ®Google Scholar
• Hogan , D. L. , Kraemer , K. L. and Isenberg , J. I. 1982 . The use of high-performance liquid chromatography for quantitation of plasma amino acids in man . Anal. Biochem. , 127 : 17
   PubMed Web of Science ®Google Scholar
• Hayashi , T. , Tsuchiya , H. and Naruse , H. 1983 . Reversed-phase ion-pair chromatography of amino acids: Application to the determination of amino acids in plasma samples and dried blood on filter papers . J. Chromatogr. , 274 : 318
   PubMedGoogle Scholar
• Fleury , M. O. and Ashley , D. V. 1983 . High-performance liquid chromatographic analysis of amino acids in physiological fluids: On-line precolumn derivatization with o-Phthaldialdehyde . Anal. Chem. , 133 : 330
   Google Scholar
• Lindroth , P. and Mopper , K. 1979 . High Performance Liquid chromatographic determination of subpicomole amounts of amino acids by precolumn fluorescence derivatization with o-Phthaldialdehyde . Anal. Chem. , 51 : 1667
   Web of Science ®Google Scholar
• Hultman , L. H. , Nilsson , S. and Sahlin , K. 1975 . Adenine nucleotide content of human liver: Normal values and fructose-induced depletion . Scand. J. Clin. Lab. Invest. , 35 : 245
   PubMed Web of Science ®Google Scholar
• Triklebank , M. D. , Pickard , F. J. and DeSouza , S. W. 1979 . Free and bound tryptophan in human plasma during the perinatal period . Acta Paediar. Scand. , 68 : 199
   PubMedGoogle Scholar
• Knott , P. G. and Curzon , G. 1972 . Free Tryptophan in plasma and brain tryptophan metabolism . Nature , 239 : 452
   PubMed Web of Science ®Google Scholar