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Analyte stability in clinical chemistry quality control materials.
Critical Reviews in Clinical Laboratory Sciences
|January 1, 1982
Summary
Ensuring analyte stability in clinical chemistry control materials is crucial. This review examines stability testing methods and criteria, proposing an approach for evaluating control material performance.
Area of Science:
- Clinical Chemistry
- Analytical Chemistry
- Biochemistry
Background:
- Maximum analyte stability in control materials is essential for accurate clinical diagnostics.
- Manufacturers conduct stability testing before and after product distribution.
- Published reports show varied testing protocols and stability definitions.
Purpose of the Study:
- To review published studies on control material stability in clinical chemistry.
- To examine criteria used to define instability.
- To present an approach for evaluating analyte stability using statistical and clinical criteria.
Main Methods:
- Literature review of published studies on control material stability.
- Analysis of various testing protocols and definitions of acceptable stability.
- Development of an evaluation approach combining statistical and clinical criteria.
Main Results:
- A wide variety of stability testing protocols and definitions of instability exist.
- Published data on control material stability is diverse.
- An integrated approach to stability evaluation is proposed.
Conclusions:
- Standardized methods and criteria for stability testing are needed.
- A combined statistical and clinical approach enhances the evaluation of analyte stability.
- Consistent evaluation of control material stability is vital for reliable laboratory results.