Sampling is a technique in which samples are drawn at random (without any favor or bias). For this, suitable measures or procedures may be laid down and adopted according to the nature and ...

Sample management in the laboratory can be complicated. Procedures for such management vary significantly depending on the identity of the samples, which can include: I. Biological samples, referring ...

The authors present a simple way to qualify a swab-sampling procedure for its ability to recover residues of a small-molecule API from cleaned equipment surfaces. Spiking studies were specifically ...

The metabolome is a highly valuable resource for investigating the cellular state. It is crucial to acquire true snapshots of the cells' metabolome when measuring intracellular pool sizes under ...

This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...