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A joint study conducted by Applied Spectra (West Sacramento, California) and the Lawrence Berkeley National Laboratory (Berkeley, California) used laser-induced breakdown spectroscopy (LIBS) to measure uranium with a detection limit as low as 1.3 picograms, achieving unprecedented sensitivity by optimizing the uranium emission line, system hardware, and light collection efficiency. Richard Russo is the corresponding author for the paper that resulted from this research, and will receive, on behalf of the rest of his team, the 2024 Spectrochimica Acta Part B Best Paper Award.

Lucy Semerjian is the Chair and Associate Professor in the Department of Environmental Health Science at the University of Sharjah in Sharjah, United Arab Emirates. Photo Credit: Lucy Semerjian

Because the United Arab Emirates is seeing an increase in pet ownership, the quality of both dry and wet pet food is undergoing greater scrutiny to ensure its safety and efficacy. Lucy Semerjian, who works as a Chair and Associate Professor in the Department of Environmental Health Science at the University of Sharjah in Sharjah, United Arab Emirates, recently explored this topic in a recent paper

In the final part of our interview with 2025 Charles Mann Award recipient Marc Porter, Distinguished Professor in Chemical Engineering at the University of Utah, imagines a world where diagnosing deadly diseases is as easy as pulling out a handheld device. With portable Raman spectrometers entering decentralized healthcare, even the most remote settings can benefit from instant analysis—slashing turnaround times and costs while boosting patient care.

Lucy Semerjian is the Chair and Associate Professor in the Department of Environmental Health Science at the University of Sharjah in Sharjah, United Arab Emirates. Photo Credit: Lucy Semerjian

A recent study conducted in the Journal of Food Composition and Analysis examined the concentrations of ten metals in 52 commercially available wet and dry cat food samples, assessing their compliance with U.S. and European pet food safety standards. The lead author of this study, Lucy Semerjian, recently sat down with Spectroscopy to discuss the findings of her study.

In the second part of our interview with 2025 Charles Mann Award recipient Marc Porter, Distinguished Professor in Chemical Engineering at the University of Utah, discusses how surface-enhanced resonance Raman scattering (SERRS) enables faster, more reliable detection in point-of-need settings, and explore its potential for real-world clinical deployment.

Yellow blossoms of dyer´s woad, a plant for dyeing blue/blooming woad/blue staining plant | Image Credit: © wiha3 - stock.adobe.com

Researchers from Ca’ Foscari University of Venice and the University of Padua have uncovered the earliest direct evidence of Upper Palaeolithic humans deliberately processing the non-edible plant Isatis tinctoria, revealing complex behaviors involving medicinal or dye-related plant use over 32,000 years ago.

Spectroscopy speaks with Marc Porter, Distinguished Professor in Chemical Engineering at the University of Utah, for the first of a three-part conversation regarding his work involving the development and evaluation of a highly sensitive biomarker detection strategy using surface-enhanced resonance Raman scattering (SERRS), which offers stronger signal amplification than traditional surface-enhanced Raman scattering (SERS). Porter will receive the 2025 Charles Mann Award, presented to an individual who has demonstrated advancement(s) in the field of applied Raman spectroscopy.

Lisa Flanagan and fellow researchers at the University of California, Irvine (Irvine, California) conducted a study exploring a method to isolate astrocyte-biased human neural stem and progenitor cells (hNSPCs), which are valuable for treating neurological diseases. Flanagan will receive the 2025 Mid-Career Award from the AES Electrophoresis Society, awarded for exceptional contributions to the field of electrophoresis, microfluidics, and related areas by an individual who is currently in the middle of their career.