calibration markers

calibration markers

[′kal·ə‚brā·shən ‚mär·kərz]
(engineering)
On a radar display, electronically generated marks which provide numerical values for the navigational parameters such as bearing, distance, height, or time.
References in periodicals archive ?
The internal calibration markers (lower and upper markers of 50 and 1000 bp) were coinjected with each sample to attain more accurate fragment sizing (Fig.
EstrArray also contains calibration markers for adjusting the fluorescent levels between Cy3- and Cy5-labeled cDNAs (28 genes) and expression markers such as the genes for trefoil factor, the ER-[alpha] and ER-[beta], steroid sulfatase, and other estrogen-related proteins (14 genes, 11 showing estrogen responsiveness, resulting in a total of 203 genes).
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