The Bioanalysis Glossary


• 436 volumetric absorptive microsampling Collection of a fixed volume of blood using an absorbent tip.


• 437 weighting factor


Weighted least-squares linear regression is justified in the commonplace scenario of the statistical error or variability of instrumental response being approximately proportional to analyte concentration. A weighting factor such as 1/x or 1/x2


, where x denotes concentration, is chosen in accordance with the severity of weighting required. • 438 white paper


Authoritative report or guide helping readers understand an issue, solve a problem, or make a decision. Typically written by a panel of subject matter experts to ensure a broad consensus.


• 439 whole blood


Unmodified or unseparated blood sample typically combined with an anticoagulant. May be drawn from arteries or veins.


• 440 within-run Time period during a single analytical or validation run.


• 441 zero calibrator Blank sample to which the IS is added.


S104


Bioanalysis (2018) 10(21) Suppl. 1


future science group


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