CIL has been manufacturing amino acid and carnitine/acylcarnitine calibration standards for over 15 years. We offer both 10-vial sets or single vials of these products.
NSK-A - Amino Acid Reference Standards
This set contains 10 vials of a dry mixture of 12 isotopically labelled amino acids. Accurate and complete reconstitution of the contents of one vial in 1 mL of high purity solvent will produce the concentrations presented in the Standard Concentrations table.
NSK-B - Free Carnitine and Acylcarnitine Reference Standards
This set contains 10 vials of a dry mixture of eight isotopically labelled free carnitine and acylcarnitines. Accurate and complete reconstitution of the contents of one vial in 1 mL of high purity solvent will produce the concentrations presented in the Standard Concentrations table.
NSK-A-TS and NSK-B-TS
Tandem Mass Spectrometer (MS/MS) Tuning Standards, NSK-A-TS and NSK-B-TS, have been developed to complement quality assurance and quality control (QA/QC) procedures in the laboratory.
NSK-S-CAH - Congenital Adrenal Hyperplasia (CAH) Reference Standards
NSK-S-CAH Congenital Adrenal Hyperplasia (CAH) Reference Standards is designed as a calibrator for use in screening, diagnosis and monitoring procedures for metabolic disorders. When used as directed, NSK-S-CAH provides a solution containing steroids at defined concentrations. When combined with techniques such as tandem mass spectrometry (MS/MS), LC/MS, GC/MS, etc., the solution may be used as a calibrator to measure concentrations of steroids in plasma, blood spots, urine and other bodily fluids.
Each vial (packaged as 1 to 10 vials per box) contains only a dry mixture of isotopically labelled steroids. Complete reconstitution in 1 mL of solvent will produce the concentrations presented in the Standards Concentrations table.
The Use of Stable Isotope-Enriched Standards as a Key Component of the MS/MS Analysis of Metabolites Extracted from Dried Blood Spots
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