Spectroscopy November 2015

November 2015 | Volume 30, Issue 11
Spectroscopy November 2015
Spectroscopy App
By Spectroscopy Editors
The SpectroCalc app is designed for conversion of units that describe electromagnetic waves.
Focus on Quality
The UK regulatory body issued a guidance that requires the establishment of a data governance system, part of which is data integrity training. Easy to say, but how do you do it?
Lasers and Optics Interface
The application of LIBS to two industrial projects illustrates how the composition of metallic alloys can be measured at a distance and on moving conveyor belts—even when the geometry of the objects is varied and surface coatings are present.
Molecular Spectroscopy Workbench
The last five years have produced a body of work describing the role of the plasmonic properties of metals in enhancing the signals in surface-enhanced Raman scattering (SERS). We now foresee production of surface-enhancing films and particles that could provide reproducible Raman signals for SERS use in environmental and biomedical studies.
Spectroscopy Spotlight Interviews
By Spectroscopy Editors
Diffuse reflectance is a well-known sampling technique in mid-infrared and near-IR spectroscopy. Despite its significance, however, the underlying mechanism of the technique is not well understood—particularly in mid-IR diffuse reflectance. Eric B. Brauns of the University of Idaho has developed an instrument capable of studying the mechanism, using time-resolved measurements.
Peer-Reviewed Article
The shape of the peaks in infrared (IR) and Raman spectroscopy are often not well understood. Bandshapes largely depend on interactions between vibrating molecules and their environment. An understanding of this relationship can enhance spectral interpretation and can explain unexpected behaviors.
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