A new and sensitive method for quantitative determination of helium in human blood by gas chromatography–mass spectrometry using naturally existing neon-21 as internal standard

Chemistry

• Helium 100%
• Gas 81%
• Neon 63%
• Procedure 54%
• Ion 54%
• Mass Spectrometry 54%
• Scanning Ion Microscopy 54%
• Assay 18%
• Column Like Crystal 18%
• Sample 9%
• Length 9%
• Vacuum 9%
• Hydrogen 9%
• TC 9%
• Analytes 9%
• Inhalation 9%
• Analytical Calibration 9%

Medicine and Dentistry

• Helium 100%
• Mass Spectrum 54%
• Selected Ion Monitoring 54%
• Blood 27%
• Biological Product 9%
• Analysis 9%
• Assay 9%
• Capillary 9%
• Human 9%
• Hydrogen 9%
• Blood Sampling 9%
• Spectroscopy 9%
• Inhalation 9%
• Quantitative Assay 9%

Biochemistry, Genetics and Molecular Biology

• Gas 81%
• Mass Spectrometry 45%
• Quantitative Technique 18%
• Sample 9%
• Length 9%
• Human 9%
• Experiment 9%
• Mass Spectrometry 9%
• Inhalation 9%
• Vacuum 9%
• Blood Sampling 9%