Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

Optimal microbial sampling approaches for pharmaceutical environments include surface, passive air, and active air monitoring ...

The proteins that make up our cells hold within an entire world of information, which, when unlocked, can give us insights into the origins of many essential biological phenomena. This information is ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Thematic coverage includes emerging contaminants and microplastics, exposomics, miniaturized sample preparation, sensor ...

Collecting genetic samples for small mammals can be tricky, but scientists found a noninvasive way to do it for San Francisco's endangered salt marsh harvest mouse. From species of marmots to moles, ...