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Articles

Machine learning and synchrotron radiation-based micro X-ray fluorescence imaging show promise for early cancer diagnostics by identifying trace biometals as potential cancer biomarkers. The research demonstrates the feasibility of using machine learning algorithms to analyze the spatial distribution of biometals and classify cancer pathogenesis stages, offering potential advancements in non-invasive cancer detection.

Machine Learning and Synchrotron Imaging: Advancing Early Cancer Diagnostics

Both RXES and NEXS are commonly used in in situ studies at high pressure and high temperature to investigate the electronic and structural changes of materials under extreme conditions. A new study explores both techniques when analyzing iron-bearing compounds.

High-efficiency X-ray Emission Spectroscopy for In Situ Studies of Iron-Bearing Compounds at Extreme Conditions

Robert Thomas has more than 30 years of experience in trace element analysis. He is the principal of his own freelance writing and scientific consulting company, Scientific Solutions, based in Gaithersburg, MD.

The use of ICP-MS is constantly expanding into an ever-wider variety of applications. We assess the current landscape and where the technique is going in the future.

40 Years Old and Still Solving Problems: Evolution of the ICP-MS Application Landscape

Catherine Niu, a professor at the College of Engineering of the University of Saskatchewan in Canada and co-author of this paper, spoke to Spectroscopy about how she and her associates used X-ray photoelectron spectra and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy analysis in their research.

Investigating Adsorption of Carbamazepine with Adsorbents Developed from Flax Shives with X-ray Spectroscopy

Harishchandra Singh, Graham King and associates have employed high energy synchrotron X-ray diffraction (HE-SXRD) experiments and an analytical model in order to predict the yield strength of cerium-modified super duplex stainless steel (SDSS) subjected to various cold- and cryo-deformation. Spectroscopy recently had the opportunity to discuss the experiments and the findings with Singh and King.

Quantitative Prediction of Yield Strength of Highly Alloyed Complex Steel Using High Energy Synchrotron X-Ray Diffractometry

In the past 20 years, spectrometers have shrunk dramatically in size, and this shrinking has been achieved with only modest performance reductions in sampling versatility, spectral range, spectral resolution, and signal-to-noise.

Spectrometers in Wonderland: Shrinking, Shrinking, Shrinking

Portable X-ray fluorescence was used to analyze the archaeological remains of an Underground Railroad station to gain a clearer understanding of the construction phases it underwent during the 19th century.

An Archaeometric Investigation into the Former Cataract House Hotel via Elemental Analysis

Raman and XRF spectroscopy were used to examine paint in artwork, revealing the potential of both techniques to verify the authenticity of famous works of art.

A Different Kind of Art Analysis

Ling Gao is with Chifeng University in Chifeng, China.

Donghua Di is with Shenyang Pharmaceutical University, in Shenyang, China.

Xiaojing Liu is with Beijing Ancoren Technology Co Ltd. in Beijing, China.

Fei Teng is with Beijing Ancoren Technology Co Ltd. in Beijing, China.

In this study, X-ray fluorescence (XRF) spectroscopy was used to analyze heavy metals in five traditional Mongolian medicines, and the results were compared to those obtained using ICP-MS.

Comparative Study of Heavy Metals Analysis in Mongolian Medicines Based on High Sensitivity X-ray Fluorescence Spectroscopy and ICP-MS

What can spectroscopic techniques, such as portable X-ray fluorescence spectrometry (PXRF), reveal about the sarsen megaliths of Stonehenge and where they originated? 

X-ray Analysis