July 2023

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Electronic Cigarette | Image Credit: © kiri - stock.adobe.com

Contamination Control During Sample Preparation for Trace Element Analysis of Electronic Cigarette Aerosol with Inductively Coupled Plasma-Mass Spectrometry, Part 2

R. Steven Pappas;Naudia Gray
June 27th 2023
ArticleColumns: Atomic Perspectives

Minimizing sample preparation issues requires users to consider method LODs as well as high purity polymer materials for sample collection and preparation. Here, we examine proper personal analytical practices one can take to avoid environmental contamination.

3d render, abstract neon background. Colorful glowing lines. Digital data transfer. Futuristic wallpaper. Generative AI | Image Credit: © zaschnaus - stock.adobe.com

Preparation and Spectral Properties of MgAl2O4: Tb3+ Phosphor

Shi Zhongxiang;Shi Jun;Wang Jing;Lu Yang;Liu Yongfu
June 23rd 2023
ArticlePeer-Reviewed Research

A look at how the spectral properties single-phase green emission phosphor make it suitable for near-UV light-emitting diode (NUV-LED) applications.

3d illustration of a molecular structure | Image Credit: © Suliman Razvan - stock.adobe.com

Infrared Spectroscopy of Polymers XIII: Polyurethanes

Brian C. Smith
June 23rd 2023
ArticleColumn: IR Spectral Interpretation Workshop

The structure and infrared spectra of polyurethanes and polymeric amides are similar, but there are several key differences worth calling attention to.

Nanjing Confucius Temple scenic region and Qinhuai River. People are visiting. Located in Nanjing, Jiangsu, China. | Image Credit: © aphotostory - stock.adobe.com.

Technological Analysis of Glazed Tiles Unearthed from Bao’ensi in Nanjing

Dan Zhao;Bo Wu;Bo Li;Baohua Zhou;Jianfeng Cui;Weijuan Zhao;Qinlong Chen
June 23rd 2023
ArticlePeer-Reviewed Research

UV-Vis-NIR can be used to understand how ancient buildings were constructed. Here, a UV-Vis-NIR and EDXRF spectrophotometer were used to analyze glazed tiles that comprised a historical site built in Ancient China.

SARS-CoV-2 Spike Protein glycan shield (in blue) thwart the host immune response. Coronavirus structure. | Image Credit: © Design Cells - stock.adobe.com.

Differentiating Glycans by Surface-Enhanced Raman Spectroscopy

John Chasse
February 20th 2023
ArticleColumns

Glycoproteins are becoming popular in the pharmaceutical industry, prompting the need for an effective spectroscopic technique that can differentiate them. SERS is one such technique ideal for glycan analysis for several key reasons, which are discussed here.