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Spectroscopy-12-01-2019

Spectroscopy

Vol 34 No 12 Spectroscopy December 2019 Regular Issue PDF

December 01, 2019

Spectroscopy, December 2019

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Click the title above to open the Spectroscopy December regular issue, Volume 34, Issue 12, in an interactive PDF format.

Raman Thermometry: Understanding the Mathematics to Better Design Raman Measurements

December 01, 2019

Molecular Spectroscopy Workbench

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Raman measurements can be used to infer the temperature of a material based on the Stokes and anti-Stokes band signal strengths, and by applying a predefined mathematical relationship. In reality, the temperature, Raman shift, and laser excitation wavelength all interact, and should be considered to better understand these measurements.

Do You Understand the FDA’s Updated Approach to Pre-Approval Inspections?

December 01, 2019

Focus on Quality

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The Food and Drug Administration (FDA) has issued an updated version of its Compliance Policy Guide for Pre-Approval Inspections (PAI). This article will guide you on this policy’s impact on analytical procedures and data included within regulatory submissions.

The 2020 Emerging Leader in Atomic Spectroscopy: Advancing Ambient Desorption Ionization Mass Spectrometry

December 01, 2019

Spectroscopy Spotlight

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This interview with Jake Shelley, the 2020 winner of the Emerging Leader in Atomic Spectroscopy award, describes his work on the underlying science behind desorption and ionization phenomena, as well as the issues associated with sample matrix effects inherent for plasma-based mass spectrometry.

Application of WDXRF and FT-IR for Human Tooth Analysis

December 01, 2019

Peer-Reviewed Article

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In this study, WDXRF and FT-IR are used to analyze a tooth sample of a renal patient, and to compare the results to healthy patients. The quantities of multiple elements are reported using the XRF technique, and FT-IR spectroscopy is used to extract relevant information about the molecular contents of the sample with the important absorption bands identified.

Gary M. Hieftje’s Legacy: Fifty Years of Scientific Contributions

December 01, 2019

Feature Article

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A famous and admired professor of analytical chemistry, Gary M. Hieftje, is officially retiring. He has been a prominent faculty member at Indiana University for 50 years, and a beloved mentor, colleague, and friend to many. In this special feature, we take a look at his many contributions, and his broad impact on the field.

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