Sentence examples for be retested in duplicate from inspiring English sources

Note that according to the package insert, specimens that are initially reactive with HIV Combo must be retested in duplicate and only repeatedly reactive specimens are considered reactive.

The HIV Combo assay was performed according to the manufacturers' instructions, with the following exception: Based on the package insert, specimens that are initially reactive in the HIV Combo assay should be retested in duplicate when the assay is used for HIV diagnosis in a clinical setting.

Specimens with a reactive ELISA result are retested in duplicate.

Reactive samples were retested in duplicate.

Serum samples shown to be reactive after a first test were retested in duplicate.

All HBsAg-reactive samples in the EIA were retested in duplicate.

However, reactive HBsAg samples were retested in duplicate to confirm the HBsAg results.

To check for reproducibility, 55 samples that gave an OD in the range 0.8 2.5 were retested in duplicate.

Weak positive samples (i.e., OD<2× cutoff value) were retested in duplicate on the same day; only reproducible positive results were included in the final analysis.

All samples with RLU values in the range of 0.7 2.0 RLU were retested in duplicate, although subsequent statistical analysis was based only on the primary measurement.

The initial testing was performed in a single well, and all samples with S/P (sample to positive) ratios ≥0.1 were retested in duplicate.