Insights

Imaging encompasses a wide range of techniques that enable visualization of hidden features of samples, structures, or organisms. Imaging occurs at many scales, from medical magnetic resonance imaging of patients to individual atoms. This INSIGHTS on Imaging Systems focuses on the lower end of size domains in the typical operating range of—but not limited to—microscopy.

The pros and cons of high-performance liquid chromatography (HPLC) compared with ultra-high performance LC (UHPLC) are by now the stuff of legend.

Centrifuges work on the principle of sedimentation facilitated by an apparent angular force that draws components of a rotating sample away from the center of rotation. Although centrifugation theory is straightforward, its engineering literature is voluminous due to the number of industries and research operations that depend on the operation.

Environmental testing had been a sleepy marketplace until the U.S. Environmental Protection Agency began issuing strict regulations for air, soil, and water in the 1970s. Environmental law spawned thousands of large and small laboratories, many of which had been operating in nonenvironmental industries.














