Evaluation of the Technicon Star System for Serum T4 and T3-Uptake Estimation
Author Information
Author(s): S. G. Welshman, M. D. McMaster, T. Linton
Primary Institution: Clinical Chemistry Department, The Laboratories, Belfast City Hospital, Belfast, Northern Ireland
Hypothesis
The Technicon Star system can automate the estimation of serum T4 and T3-uptake effectively.
Conclusion
The Star system proved to be simple to operate and provided satisfactory accuracy and precision for serum T4 and T3-uptake tests.
Supporting Evidence
- The Star system processes samples at a rate of 60 specimens per hour.
- Accuracy and precision of the T4 assay were satisfactory.
- The normal range for T4 was found to be 100.8 nmol/l with a standard deviation of 20.3 nmol/l.
- There was no significant carry-over or drift observed during testing.
Takeaway
The Technicon Star system helps doctors quickly test blood for thyroid hormones without making many mistakes.
Methodology
The study involved using the Technicon Star system to automate radioimmunoassays for serum T4 and T3-uptake tests.
Limitations
The system requires complete shutdown during printer failures and has a small sampler size.
Participant Demographics
309 healthy adult blood donors were analyzed for normal T4 and T3-uptake values.
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