Sentence examples for using a positive control from inspiring English sources

Alvarez-Alfageme et al. [8] argued that exposure and uptake must be verified using a positive control which in their case was potassium arsenate.

While we agree that it is important to validate uptake, we argue that validation of uptake through a particular pathway using a positive control is much more critical in cases where no differences between the treatment and control can be observed, as for example in the direct feeding studies by Alvarez-Alfageme et al. [8].

Finally, we calibrated absorbance values between plates using a positive control.

Viral abundance was calculated as hemagglutination (HA) units from a standard curve using a positive control with known HA content.

For this we screened B cell culture supernatants against a stringent comparator using a positive control monoclonal antibody, Trastuzumab, that recognizes the HER2/neu tumor antigen, expressed on breast cancer cells and on some melanoma cells [38].

Calibration of the test was achieved using a positive control sample.

RNA isolated from murine brain endothelial cell line (bEnd.3) was used a positive control.

The strain SMGS5-PnlmAB was used a positive control.

Also, we used a positive control for the analysis a sample of Mycobacterium (M.

For Ki-67 and cleaved caspase-3, human tonsil tissues were used a positive control.

N. fowleri Lee ATCC 30894 DNA was used a positive control in the PCR reactions.