X-ray Analysis

Researchers at Kochi University and RIKEN have unveiled a new method for distinguishing individual polyester fibers in forensic investigations. Published in Spectrochimica Acta Part B: Atomic Spectroscopy, their advanced X-ray analysis refreshes how we unravel the composition of these fibers.

Scientists faced challenges when using XRF on artifacts that contain many layers.

In a new study, a group of researchers explored the performance of multi-hole collimators with varying geometries and material compositions in a full-field XRF spectrometer based on the 2D-THCOBRA gas detector.

A new study published in Spectrochimica Acta Part B: Atomic Spectroscopy investigated the effects of heterogeneity, including grain size and mineralogical composition, on micro-beam X-ray fluorescence (XRF) scanning spectroscopy. XRF is a useful tool for environmental analysis, because of its high spatial resolution.

X-ray emission induced by charged particles, also known as particle-induced X-ray emission (PIXE), is a powerful analytical technique for the elemental and chemical characterization of materials.

A recent study shows how near infrared (NIR) spectroscopy and X-ray fluorescence (XRF) spectroscopy was integrated to create a new coal calorific value analyzer.

X-ray photoelectron spectroscopy (XPS) and cryogenic transmission electron microscopy (cryo-TEM), have brought significant breakthroughs in high-energy-density Li metal batteries.

A recent investigation of the optical emission of plasma on industrial steel samples using LA-SD-OES and LIBS revealed new findings about the oxide composition of the slag layer.

The team devised a method for recovering high-purity silicon from expired solar panels to produce lithium-ion batteries for electric cars.

India's Chandrayaan-3 mission is the first successful attempt to land on the moon’s southern region and has uncovered several noteworthy discoveries on the lunar south pole using laser-induced breakdown spectroscopy (LIBS) and other spectroscopic techniques.

Arzak Mohamed from Macquarie University in Australia broke down how she uses spectroscopy to analyze ancient manuscripts.

A recent study used portable X-ray fluorescence analysis (pXRF) and scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) to uncover new insights into Stonehenge’s Altar Stone.

In a recent study, researchers used portable X-ray fluorescence (pXRF) analysis to determine how pottery vessels uncovered at Saqqara degraded over thousands of years.

A team of scientists recently analyzed a collection of late Roman vessels discovered in the United Kingdom.

A new study presents a novel WDXRF approach in determining carbon, oxygen, hydrogen, and nitrogen content in coal.

A team of researchers has conducted a successful round-robin test using total reflection X-ray fluorescence (TXRF) to analyze the elemental composition of rat tissue samples. The preliminary results demonstrate the effectiveness of TXRF in accurately determining the elemental composition of mammalian tissue.

Researchers have utilized an integrated wavelength-dispersive and energy-dispersive X-ray fluorescence spectrometer technique to comprehensively analyze bromine, iodine, and other components in soil samples, demonstrating an innovative method for quantitative elemental analysis of complex matrix geological samples.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

Accurate determination of the elemental composition of nickel-based alloys is essential, given their use in high-performance equipment. This XRF technique enables rapid and nondestructive detection, as an alternative to existing approaches.

In these studies, wavelength dispersive X-ray fluorescence (WDXRF) was used to examine differences in the elemental composition of agricultural samples, comparing healthy and diseased samples of okra, papaya, and rice. Both the mineral nutrient profiles (macro and micronutrients) and toxic metals were examined, revealing common patterns.

Lamellar structures, which are common in many polymeric materials and biological tissues, can diffract X-rays and give rise to reflections at small scattering angles. Analysis of these scattering features can be used investigate the deformation of lamellar structures at the microstructural length.