A resin-based method for the preparation of molecular nitrogen for 15N analysis from urinary and plasma components.
D000596:Amino Acids / Q000032:analysis; D000641:Ammonia / Q000032:analysis; D006801:Humans; D007475:Ion Exchange Resins; D009584:Nitrogen / Q000032:analysis* / Q000097:blood / Q000652:urine; D009587:Nitrogen Isotopes; D014508:Urea / Q000032:analysis
D000596:Amino Acids; D007475:Ion Exchange Resins; D009587:Nitrogen Isotopes; D000641:Ammonia; D014508:Urea; D009584:Nitrogen