Article 2 Isotope Labeling isotope labeling 2 mass spectrometry 2 nonhuman 2 13CO2 labeling 1 Amino Acids 1 Animals 1 Arabidopsis 1 Arabidopsis thaliana 1 BrdU 1 DNA replication 1 Diagnostic Imaging 1 Gas Chromatography-Mass Spectrometry 1 Isotopes 1 MIMS 1 NanoSIMS 1 OpenMIMS 1 Protein Biosynthesis 1 Spectrometry, Mass, Secondary Ion 1 Stem Cells 1 adult 1 alanine 1 amino acid 1 amino acid analysis 1 animal 1 animal cell 1 biomass 1 carbon 13 1 carbon dioxide 13 1