"What exactly is a mole?" "The units for concentration are so confusing..." This is the area where most people stumble in ...

Editor’s note, September 2026: This article has been updated with an interactive calculator, worked examples using named reagents, and a concentration unit conversion table. The serial dilution ...

If you work in a lab that handles research peptides, you know small numbers carry a lot of weight. A tiny slip in math ...

Thanks to the novel Thermo Scientific™ Acclaro™ Sample Intelligence technology, the NanoDrop One delivers comprehensive sample quality information via the identification of common contaminants and the ...

Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, such as the number of marbles in a jar. Researchers at the National ...

PrymaLab, a veteran-owned research chemical laboratory in Ashland, Kentucky, has published the analytical documentation standards it applies to each production lot and released a free concentration ...