Assay List

Please contact us if you are interested in a stable isotope analysis not listed here.

Analyte Isotope Labeling Instrumentation Matrix GLP-Validated
Alanine 1-13C GC-MS Plasma
1-13C GC-MS Muscle
1-13C GC-C-IRMS Plasma
1-13C GC-C-IRMS Muscle
D2O GC-C-IRMS Plasma
D2O GC-C-IRMS Muscle
Ammonia 15N Combustion IRMS Urine
Cholesterol D2O GC-C-IRMS Plasma
13C2-Acetate GC-C-IRMS Plasma
CO2 13CO2 IRMS Breath Yes
Cavity Ring Down
Spectroscopy Whole Blood Bicarb Solutions
Glucose  6,6-D2 GC-MS
GC-MS
Plasma Yes
13C6 GC-MS
Combustion IRMS
GC-IRMS
1-13C GC-MS
D2O GC-IRMS
Glycerol D5 GC-MS Plasma
13C GC-MS
GC-C-IRMS
D2O GC-C-IRMS
Glycine 15N GC-MS Plasma
Homocysteine 13C GC-MS Plasma
Hydroxyproline 13C5, 15N GC-MS Plasma
KIC 1-13C GC-MS Plasma
Lactate D2O GC-MS Plasma
Leucine 1-13C GC-MS Plasma Yes
Methyl-D3 GC-MS
13C6 GC-MS Yes
Methionine 1-13C GC-MS Plasma
Oxalate 13C2 GC-MS Plasma
Palmitate 1-13C GC-MS Plasma
13C2-Acetate GC-C-IRMS
D2O GC-C-IRMS
Phenylalanine 13C6 GC-MS Plasma
1-13C GC-MS
13C6 GC-C-IRMS
Tyrosine 3,3-D2 GC-MS Plasma
Urea 15N GC-MS Plasma
Combustion IRMS Urine
Water D2O Cavity Ring Down Plasma Yes
Spectroscopy
H218O Cavity Ring Down Urine Yes
Spectroscopy Saliva Yes