43. basal value Measured value (e.g., for a biomarker) before the administration of a drug or other therapy.
44. baseline The chromatographic signal of a system in the absence of an analyte or other compound monitored.
45. batch A number of study samples of unknown concentration along with the appropriate standards and quality control samples (QCs) that are processed at one time. Also see ‘Analytical run’.
46. bench-top stability Stability of an analyte in a matrix during sample processing under conditions of sample handling.
47. between run Period between or among several analytical or validation runs.