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Measurement of15N/14N Isotopic Composition in Individual Plasma Free Amino Acids of Human Adults at Natural Abundance by Gas Chromatography–Combustion Isotope Ratio Mass Spectrometry

✍ Scribed by Cornelia C. Metges; Klaus J. Petzke

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
124 KB
Volume
247
Category
Article
ISSN
0003-2697

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📜 SIMILAR VOLUMES

Gas Chromatography/Combustion/Isotope Ra
Gas Chromatography/Combustion/Isotope Ratio Mass Spectrometric Comparison ofN-Acetyl- andN-Pivaloyl Amino Acid Esters to Measure15N Isotopic Abundances in Physiological Samples: A Pilot Study on Amino Acid Synthesis in the Upper Gastro-intestinal Tract of Minipigs
✍ Metges, Cornelia C.; Petzke, Klaus-Jürgen; Hennig, Ulf 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 905 KB

There is evidence that in animals and also in humans, non-specific nitrogen is used for de novo synthesis of indispensable amino acids by the microflora of the gastro-intestinal tract. Gas chromatography/combustion/isotope ratio mass spectrometry was applied to investigate whether lysine of intestin