Mass spectrometry is a powerful technique that allows scientists to break down and identify the building blocks of just about anything by measuring the mass of the tiny particles of which something is ...

To protect public health following a wide-area chemical, biological (pathogen and/or biotoxin), or radiological (CBR) contamination incident, environmental sampling and analysis results are used to ...

In any chemical analysis, the most important step is sample preparation. The purity of the sample should be ensured before taking a measurement to obtain the optimum results when using any elemental ...

Aristotle’s postulate that “nature abhors a vacuum” could be used to explain why X-ray photoelectron spectroscopy (XPS) has not found routine application in the analysis of biological samples. The ...

A semen analysis can help your doctor diagnose fertility issues. A sample is looked at under a microscope to see how many sperm cells it contains, how they're shaped, and how well they move. (Photo ...

Fish sample type describes whether the sample is composed of tissue from an individual specimen or is a composite of tissue from multiple specimens, and whether the fillet, plug or whole body is to be ...

NASA's Mars rover Curiosity has ingested its first solid sample into an analytical instrument inside the rover, a capability at the core of the two-year mission. Mars Science Laboratory Mission Status ...