Sentence examples for below background level from inspiring English sources

We therefore considered that the colonies from these three sets of transfections likely represent background colonies derived from endogenous L1 proteins in HeLa cells [43] and that the means below background level indicate either a dominant negative effect or toxicity associated with ORF2 transfections [44], [45].

When assayed for anti-PCV2 specific IgG, the PBS control group values were always below background level.

The fact that PCB 180 was below background level in controls might have further added to this subgroup difference.

The two contigs with different expression profiles showed very low gene expression values, close to or below background level, suggesting a low probe efficiency or a low expression in the different tissues.

Several genes corresponding to the three cases described were chosen: high or moderate level of transcripts and proteins identified; high level of transcripts and proteins not identified; low or below background level of transcripts and proteins identified.

Levels of most cytokines and chemokines, remained close to or substantially below background levels in liver homogenates in this study, suggesting an assay interference problem.

As expected, binding of the Adr1-S98D mutant was at or below background levels, even when over-expressed from a 2μ plasmid under ADH1 promoter-control (data not shown).

Empirical validation using the recommended hybridization conditions showed that 3 mismatches reduced Tm by at least 15°C, resulting in hybridization signals that were at or below background levels (data not shown).

The plasma samples from the PPV single infected animals also remained below background levels.

An R2 of 98.4% was obtained by removing data points with expression values below background levels.

The expression dataset was first filtered to exclude probes with saturated intensities or those below background levels.