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GSP Neonatal IRT kit

The GSP Neonatal IRT assay allows the quantitative determination of IRT from dried blood spot specimens, and is intended as an aid in screening for cystic fibrosis.

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The diagnosis of cystic fibrosis is often based on the symptoms, which may cause considerable delays in the disease intervention, and evidence indicates that early attention may be important in determining the clinical outcome. The amount of the pancreatic enzyme, immunoreactive trypsin (ogen) (IRT) has been shown to be increased in blood of CF patients especially during the first weeks after birth.

GSP Neonatal IRT assay:

  • Linear calibration curve fitting - improved precision
  • Incubation time 2 h
  • Sensitive, robust DELFIA chemistry for confidence in results
  • All reagents are ready to use
  • The kit contains reagents and plates for 1152 tests (12 plates)


The assay is based on a direct sandwich technique where two monoclonal antibodies bind to different epitopes on the target molecule. The fluorescence signal is proportional to the analyte concentration in the sample.


Disclaimer: US only; All PerkinElmer neonatal products may not be available in all countries.

Calibration Standards Yes
Detection Method DELFIA
Disorders Cystic Fibrosis
Product Brand Name GSP®
Unit Size 1 Kit


Resource Library & Events

Resource Type File Name File Format
Support Page Newborn screening website Link