Sentence examples for using a internal reference from inspiring English sources

Signal intensities were obtained from measuring the cross-peak intensity of each residue in the H,N HSQC spectra using CARA and were normalized using a internal reference signal.

Roughness factors of anodes and cathodes have been determined using an internal reference electrode.

Let S1 be the number of sites that are incorrectly imputed when using an internal reference panel and let S2 be the number of sites incorrectly imputed when using an external reference panel.

Using an internal reference enables only the distribution of cases within the study area to be considered and ignores the difference between the overall observed and expected numbers of cases around a given site.

Empirical studies also have shown that using an internal reference panel drawn from a subset of the sample under study, in addition to an external reference panel, gives rise to an increase in imputation accuracy over using the external reference panel alone (Fridley et al. 2010; Sampson et al. 2012; Duan et al. 2013; Kreiner-Møller et al. 2015, Pistis et al. 2015).

As suggested by "good epidemiological practice" guidelines [ 25], RR estimates obtained using an internal reference are more reliable than those based upon both national and local reference, and, as it was observed, "internal analyses of "dose-response" in cohort studies are unlikely to be seriously confounded by smoking habits" [ 26].

All subjects used an internal reference (1.5 ml of 60% 2-propanol, rubbed until dry) prior to test product evaluation.

We have used 2D-DIGE, a novel technique that uses an internal reference sample in all 2D-gels, which enables the identification of protein expression differences as small as 10% [ 24].

While we used spiked-in RNA (SV40) for normalization of miR-223 serum levels, Wang et al. used an internal reference gene, namely, snU6, for normalization in their studies [ 12, 13].

The glyceraldehyde-3-phosphate dehydrogenase (GAPDH) gene was used as an internal reference gene, and relative expression was calculated using the 2ΔCt method [ 56].

QPCR analysis of environmental samples employed the comparative cycle threshold (CT -method with an exogenous plasmid used as an internal referenCT -methodd.