Sentence examples for by a control sample from inspiring English sources

And given that one finds dozens of splice variants in normal individuals, what exactly is meant by a control sample?

The 2−ΔCt was calculated for each sample and then each of the values was divided by a control sample to achieve the relative mRNA or miRNA levels (ΔΔCt).

In order to monitor for potentially spontaneous transfected cells, each photoporated sample dish was accompanied by a control sample dish in which cells were cultured, bathed in plasmid DNA solution and then experienced the fiber presence in the absence of laser radiation.

The accuracy of the method varied from 99 to 104% and was verified by analysing a control sample (STEWB level 2 certified blood material with a concentration of 5.9 (± 0.5) μg Be L-1).

By contrast, a control sample (SMA buffer only) revealed no residual lipids following our preparative steps.

By comparison with a control sample (supplemented but untreated skim milk), changes were essentially due to salt supplementation and not to the CO2 treatment.

The recovery of the method was determined by means of a control sample spiked with synthetic cereulide standard with a concentration of 28.89 ng/g.

This specimen of resin, although not processed itself, will be useful for comparison with processed examples to elucidate any alterations that have taken place as a result of human processes by acting as a control sample for natural degradation processes on this particular species.

Coming back to our research specifically, we intend to clarify if and how the space syntax properties explore the effect of the presence of a river on the configurational form of cities and if and in addition by use of a control sample compare how rivers make the structure of cities different from non-river-cities.

The probability binning test (PB) is a variant of chi-squared that yields a T value, which is used to rank distributions by similarity to a control sample.

In each patient, normal squamous epithelium 20 cm below the incisors was taken by endoscopy as a control sample.