People's bodies can be old or young for their chronological age, depending, in part, on the amount and types of stressors they have experienced. Scientists can estimate people's biological age, but ...

Discover practical strategies for analyzing challenging biological samples, from low-input and degraded specimens to complex matrices.

Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

In a new article, researchers provide an overview of sample preparation techniques and information on routine sample types that may be encountered in forensic toxicology cases. As analytical ...

All SEMs are supplied with a loading chamber or a sample holder where the sample is inserted. The use of aluminum stubs is recommended to load a sample in an SEM. These come in various standard sizes ...