Automated Serum-Iron Determination
Author Information
Author(s): Ferruccio Ceriotti, Piero Bonvicini
Primary Institution: Laboratorio Centrale-Ospedale Civile di Padova
Hypothesis
The new method for serum-iron determination can overcome the limitations of direct methods.
Conclusion
The automated method for serum-iron determination eliminates turbidity and copper interference while allowing for rapid and accurate measurements.
Supporting Evidence
- The method showed no turbidity in challenging plasma samples.
- Intra-assay repeatability was tested with a coefficient of variance of 1.36.
- Inter-assay reproducibility was confirmed with a coefficient of variance of 3.12.
- Recovery experiments showed a mean recovery of 100.05%.
Takeaway
This study shows a new way to measure iron in blood that is faster and more accurate than older methods.
Methodology
The method involves chelating iron with ferrozine at low pH and using continuous flow automation without dialysis.
Limitations
The method may still face issues with iron adsorption on tubing and requires careful preparation of standards.
Participant Demographics
Included plasma from 10 myeloma and 20 cirrhotic patients.
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