Each kit includes:
 
• Vials of dried, pre-mixed substrate and internal standard (qNMR quantified) for MS/MS enzyme assay of Arylsulfatase A (ARSA).
 
• The relevant Enzyme Assay Buffer.
 
• Gel filtration medium for size-exclusion chromatography (needed for ARSA Assay in DBS).
 
 
SKU: CS12-G comes with a bottle of gel filtration medium.
SKU: CS12-P comes with gel filtration medium pre-filled into fritted plates.
 
First order comes with qNMR quantified enzymatic product relevant to the ARSA enzyme assay, for mass spectrometry tuning and standard curve generation (See Absolute Quantification).