Spectroscopy Spotlight
Duncan Graham of the University of Strathclyde has been pushing the limits of what can be achieved using functionalized nanoparticles and surface-enhanced Raman spectroscopy (SERS), in applications such as cholera detection, lipid profiling in cancer cells, and assessing the efficacy of anti-cancer drugs, For this and other work he has won the 2017 Charles Mann Award, presented by the Federation of Analytical Chemistry and Spectroscopy Societies (FACSS). He recently spoke to Spectroscopy about this work. read more
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Quiz
This quiz is a regular feature of the “IR Spectral Interpretation Workshop” column. In each installment, we present a quiz. The answers appear in the subsequent installment. read more
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Featured Articles
The inherent molecular specificity in the mid-infrared spectral regime allows for trace analysis in liquids, solids, and gases. read more
The number and position of C-O stretches will help us identify functional groups such as alcohols and ethers, and will help us distinguish between members of the same molecular class. read more
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Near-infrared (NIR) chemical imaging makes it possible to obtain spectra from individual pixels within a field of view for analysis of complex, heterogeneous mixtures such as flour. read more
Controlling the orientation of the laser and Raman polarization relative to the sample orientation can provide a wealth of information. But it is easy to produce erroneous results, so you need to know what instrumental components affect the observed polarization effects and how the sample setup itself affects the Raman signal. read more
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