Spectroscopy-09-01-21

Does CSA Mean “Complete Stupidity Assured?”

September 01, 2021

Columns: Focus on Quality

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Computerized system validation (CSV) has an uninspiring reputation for being a slow, no-value-added activity that only wastes time and delays the implementation of new software. Is that an accurate portrayal? And is it a necessary evil?

Identifying Doxycycline Hydrochloride and Tylosin in Chicken Using Surface-Enhanced Raman Spectroscopy

September 01, 2021

Peer-Reviewed Research

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An increasing number of antibiotic residue problems in food have emerged around the world. We examine how SERS is used to identify antibiotic residues in chicken, focusing on doxycycline hydrochloride and tylosin.

The 2021 Leader in Molecular Spectroscopy Award

September 01, 2021

Featured Article

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This year’s molecular spectroscopy award recipient is Bhavya Sharma, who is demonstrating research leadership focused on neurochemical detection using SERS and SORS Raman spectroscopy.

The Infrared Spectra of Polymers II: Polyethylene

September 01, 2021

Column: IR Spectral Interpretation Workshop

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Here, we finish a discussion of the spectrum of polyethylene (PE) and explore how different PE syntheses produce materials with different physical and spectroscopic properties.

Peak Shape and Closely Spaced Peak Convolution in Raman Spectra

September 01, 2021

Columns: Molecular Spectroscopy Workbench

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To better understand Raman spectral profiles, we briefly examine spectral line shapes, while discussing spectral shape, bandwidth, and broadening as percentage of Gaussian and Lorentzian components.

Investigating Lanthanide Deposition Patterns in Tissue Using LA-ICP-MS Imaging

September 01, 2021

Spectroscopy Spotlight

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Uwe Karst of the University of Münster in Germany explains the use of laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) imaging to provide spatially resolved quantification of trace elements in biological samples.