X-ray Analysis

In a study led by scientists from Northwest University in Xi’an, China, carbon quantum dots were tested on how well they can detect hypochlorite and aid in cellular imaging.

A PhD student in the Department of Bioengineering at the University of Pennsylvania has won the 2024 Physics of Medical Imaging Student Paper Award, which is given out annually by the International Society for Optics and Photonics (SPIE), at the Medical Imaging Symposium in San Diego, California.

Triethylaminium picrate (TEAP) crystals were developed using a slow evaporation solution growth method and then characterized for their feasibility in optoelectronic and other uses.

Studying historical ancient artifacts requires the use of a nondestructive technique to analyze the metal surfaces of these objects. This study presents two approaches that improves on existing methods when conducting alloy 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.

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

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.

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.