Sentence examples for rigorous negative from inspiring English sources

Importantly, rigorous negative controls demonstrated that PCR products were not derived from genomic DNA.

Thus, a rigorous negative control for phenotypic changes attributed to expression of the cloned gene can be conducted easily in any population of dividing cells by simply inactivating the tet-O HAC centromere.

Even the least rigorous negative result a prevalence not greater than that of sporadic CJD in humans, or 1 per million—would require several years to achieve, and it is perhaps unrealistic to suppose that the motivation to prolong the testing program will endure much beyond the global disappearance of orally acquired BSE and variant CJD.

The results of this rigorous trial were negative.

In other words, some date samples reach maturity after a rigorous ripening activity (negative range of PC1) whilst others become mature and dry out having carried out a lower extent of metabolic turnover (positive range of PC1).

However, the validity of the data we report is based on strict laboratory procedures and controls that are commonly used in the World Health Organization Reference Center for Rickettsial Diseases, including rigorous positive and negative controls to validate the test.

The chapter provides rigorous derivation of the negative differential conductance.

We also studied clearance using a more rigorous definition (requiring two negative sample results after a positive baseline result rather than just one) than was possible in our earlier paper.

Default positive and negative controls for rigorous PCR setup are discussed.

This demands further research on policy design to enable rigorous identification of positive and negative institutions and ex-ante exploration of the likely effects of different policy interventions.

The systematic and rigorous assessment of Positive and Negative Predictive Values (PPV and NPV respectively) for prognostic biomarkers was carried out as described earlier [50].