The Bioanalysis Glossary


490. 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.


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


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


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


494. zero calibrator Blank sample to which the IS is added.


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Bioanalysis (2020) 12(21) Suppl. 1


future science group


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