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In the previous article (Part 22, American Laboratory, June/July 2006), the details behind the lack-of-fit (LOF) test were discussed. read more

One of the main focuses of the scientific community, now that major advances have been achieved in the comprehension of genome organization, has become the study of proteins, including their structure... read more

Pharmaceutical manufacturers and formulators must be able to confirm that the equipment they use is clean before it is utilized. read more

Valve switching applications are becoming popular in ion chromatography (IC). Example applications include matrix diversion or matrix elimination prior to analysis of trace components. read more

Analytical chemists have long known that closed-vessel microwave sample preparation techniques are the most reliable way to achieve high-quality digestions—i.e., clear, precipitate-free solutions... read more

High mass resolution is a prerequisite for high mass accuracy. Both are key for the analysis of unknown samples. High resolution enables the separation and detection of isobaric signals that are ... read more

Nanotechnology has been aptly described as the science of building a structure one atom at a time. read more