Sentence examples for below the quantitation limit from inspiring English sources

Among the eight patients with HCV RNA titers below the quantitation limit, four remained positive by the chemiluminescence cRT-PCR, demonstrating the results in agreement with those using the nested RT-PCR.

The 0.1 pg/μL response was indistinguishable from the background response of the NTC and was determined to be below the quantitation limit.

Blood Pb levels began below the quantitation limit (usually ~ 1 μg/dL) and stayed very low in control animals throughout the course of the study.

The amounts of free light chain (L), free heavy chain (H) and of half antibody (HL) were below the quantitation limit.

Of the patients who had data collected at this visit, 92% of patients (184 out of 201) across all dose groups had concentrations that were below the quantitation limit of the assay (<1 ng/ml).

Statistical and visual analysis of the response obtained with the 0.01 pg/μL standard found that this ovine DNA concentration could not be distinguished from the background response of the NTC and was below the quantitation limit of the method.

The number of points below this quantitation limit is given and compared with the total number of observations.

HIV-1 RNA plasma concentrations measured at set-point were below the lower quantitation limit of the assay used in 37 of 906 (4%) patients.

Pre-shift urinary 9-OHPhe was below the lowest quantitation limit (LLO Q=0.05 μg/l) for one individual and was replaced with LOD/√2 as described by Hornung and Reed.

The assay has a lower quantitation limit generally below 0.04%, depending on the cytokine subset.

The method detection limits (corresponding to signal-to-noise (S/N) ratio of 3) were below 0.25 μg mL−1 (μg g−1), whereas the method quantitation limits (corresponding to S/N ratio of 10) were below 2.5 μg mL−1 (μg g−1).