What is the purpose of using control samples in serological assays?
Control samples are used in serological assays to:
1. Validate test performance: Ensure the test is working correctly and producing accurate results.
2. Detect cross-reactivity: Identify non-specific binding or false positives.
3. Determine specificity and sensitivity: Establish the test’s ability to distinguish between positive and negative samples.
4. Standardize results: Compare results to a known standard, ensuring consistency.
5. Monitor test variability: Detect changes in test performance over time.
6. Verify reagent quality: Ensure reagents are functioning properly.
7. Troubleshoot issues: Identify and resolve technical problems.