Variance in multiplex suspension array assays: carryover of microspheres between sample wells
2007

Carryover of Microspheres in Assays

Sample size: 48 publication Evidence: moderate

Author Information

Author(s): Brian Hanley

Primary Institution: University of California, Davis

Hypothesis

How does carryover of microspheres between sample wells affect assay results?

Conclusion

Carryover between wells can significantly impact assay results, potentially leading to false positives or negatives.

Supporting Evidence

  • The study found that carryover can vary significantly between wells.
  • High outliers in bead counts were observed, indicating potential contamination.
  • The results suggest that carryover can lead to false positive or negative diagnoses.

Takeaway

Sometimes, tiny beads from one test can accidentally mix with another test, which can make the results wrong. We need to be careful to avoid this.

Methodology

The study involved using two instruments to measure bead counts in a controlled experiment designed to isolate carryover effects.

Potential Biases

Potential for contamination and variability in bead counts due to experimental design.

Limitations

The applicability of results to oligonucleotide-based assays is unknown, and the study did not explore all potential sources of carryover.

Participant Demographics

The study used serum from a single Rhesus macaque.

Digital Object Identifier (DOI)

10.1186/1477-5751-6-6

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