Assay List

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

Analyte	Isotope Labeling	Instrumentation	Matrix	GLP-Validated	CLIA-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
trans-Cinnamic Acid	D₆	LC/MS-MS	Plasma/Urine	Yes
CO₂	¹³CO₂	IRMS	Breath	Yes	Yes
	¹³CO₂	Cavity Ring Down
	¹³CO₂	IRMS	Whole Blood Bicarb Solutions
Glucose	6,6-D₂	GC-MS GC-MS	Plasma	Yes
	¹³C₆	GC-MS Combustion IRMS GC-IRMS	Plasma
	1-¹³C	GC-MS	Plasma
	D₂O	GC-IRMS	Plasma
Glycerol	D₅	GC-MS	Plasma
	¹³C	GC-MS	Plasma
		GC-C-IRMS	Plasma
	D₂O	GC-C-IRMS	Plasma
Glycine	¹⁵N	GC-MS	Plasma
Homocysteine	¹³C	GC-MS	Plasma
Hippuric Acid	D₆	LC/MS-MS	Plasma/Urine	Yes
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	Plasma
	¹³C₆	GC-MS	Plasma	Yes
Methionine	1-¹³C	GC-MS	Plasma
Oxalate	¹³C₂	GC-MS	Plasma	Yes
Palmitate	1-¹³C	GC-MS	Plasma
	¹³C₂-Acetate	GC-C-IRMS	Plasma
	D₂O	GC-C-IRMS	Plasma
Phenylalanine	¹³C₆	GC-MS	Plasma
	1-¹³C	GC-MS	Plasma
	D₅	LC/MS-MS	Plasma	Yes
	¹³C⁶	GC-C-IRMS	Plasma
Sucralose	D₆	LC/MS-MS	Urine
Tyrosine	3,3-D₂	GC-MS	Plasma
Urea	¹⁵N	GC-MS	Plasma
	¹³C	GC-C-IRMS	Plasma	Yes	Yes
	Concentration	GC/MS	Plasma	Yes
	Concentration	LC/MS-MS	Plasma	Yes
		Combustion IRMS	Urine
Water	D₂O	Cavity Ring Down	Plasma	Yes
	H₂¹⁸O	Cavity Ring Down	Urine	Yes
	D₂O	Cavity Ring Down	Saliva	Yes