Skip to main content
. Author manuscript; available in PMC: 2011 Jun 14.
Published in final edited form as: Bioanalysis. 2010 Mar;2(3):469–485. doi: 10.4155/bio.10.14

Figure 1. Stability of accelerator mass spectrometry measurements of total 14C in three human serum samples is shown by periodic aliquots obtained from multiple freeze–thaw cycles throughout a year.

Figure 1

Coefficient of variations of the measured isotope concentrations were within 3%.