New Born Screening

Clinical kits


Newborn screening is intended to identify inborn error of metabolism thereby making early therapeutic interventions and decreasing likelihood of mortality or lifelong disability. Tandem mass spectrometry (MS/MS) detects abnormal levels of amino acids, free carnitine and acylcarnitines indicating defects of amino acid metabolism such as phenylketonuria(PKU) and maple syrup urine disease (MSUD), defects of organic acid oxidation metabolism and fatty acid oxidation metabolic disorders on account of enzyme deficiency in biochemical pathways.
Jasem’s newborn screening of amino acids and acylcarnitines extracted from a single of a dried-blood spot (DBS), with stable-isotope-labeled internal standards and without derivatization, can be performed with 3.5 min of instrument time.

Analysis from DBS extraction without derivatization
Profile of amino acids&free carnitine/acylcarnitines could be modified/widened for clinical applications
Consisting of three scan types-Precursor Ion, Neutral Loss and MRM in the sequence


  • Alanine,
  • Arginine,
  • Aspartic acid,
  • Citrulline,
  • Gutamic acid,
  • Glycine,
  • Leucine,
  • Methionine,
  • Ornithine,
  • Phenylalanine,
  • Proline,
  • Tyrosine,
  • Valine,
  • Free carnitine,
  • C2 Acetyl carnitine,
  • C3 Propionyl carnitine,
  • C4 Butyryl carnitine,
  • C5 Isovaleryl carnitine,
  • C8 Octanoyl carnitine,
  • C14 Myristoyl carnitine,
  • C16 Palmitoyl carnitine




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