When analyzing multiple samples with dynamic light scattering (DLS) technique, chemists often pipette or pour the suspension into a cell, press the ‘Go’ button, and get a perfect answer within a few ...

Ryan Toma (left) is a Research Scientist at Viome Life Sciences (WA, USA). He focuses on the design and implementation of clinical studies with the aim of harnessing Viome’s personalized nutrition ...

As a surface-sensitive technique, the diffraction signal comes from the top few nanometers of the crystal lattice in EBSD. Hence, the top layer needs to be devoid of oxidation, contamination and ...

Analytical chemistry has witnessed substantial progress in enhancing both sample preparation and detection methods. Modern techniques strive for high sensitivity, improved selectivity and streamlined ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...