Sentence examples for mean of negative from inspiring English sources

The results were expressed as S/P, calculated as (mean of sample OD450 - mean of negative control OD450)/ mean of positive control OD450 - mean of negative control OD450) × 100.

Critical clones marked in red displayed less than 12% (mean of negative controls +3*SD) of wild-type TAS2R16 Ca2+ flux activity and greater than 53% (mean of positive controls - 3*SD) of wild-type TAS2R16 cell surface expression.

In order to estimate the quality of the HCS assay, the Z' factor was calculated by the equation: Z' = 1 – [(3×std. dev. of positive controls)+(3×std. dev. of negative controls)/ mean of positive controls) - (mean of negative controls)] as described previously [23].

18 Positivity of samples was defined as optical density values above the mean of negative controls plus three standard deviations.

The mean of negative controls is a non-stringent correction that maximizes sensitivity in exchange for increased false positives.

Results were positive if the absorbance exceeded the cut off value of the mean of negative controls plus three times the standard deviation.

The percent inhibition was calculated by using the following formula: % inhibition = 100- mean of O.D of test compound – mean of O.D of negative control)/ (mean of O.D of positive control – mean of O.D of negative control)*100- mean

Positive (negative) displacement current at ground means accumulation of negative (positive) charge overhead.

Interesting and useful improvements of the proposed approach by means of negative selection algorithms are proposed and discussed.

Beam spreading is subsequently compensated by means of negative refraction in a plasmon-induced anisotropic medium that is cemented behind.

In this work we present a novel concept of active microwells based on cylindrical wells able to vertically trap and control single particles by means of negative dielectrophoresis.