Articles tagged with Synchrotron Radiation
Researchers at New York University and Stanford University have discovered a magnetic wave, known as a soliton, which can maintain its shape as it moves and potentially be harnessed for more energy-efficient computing. The discovery was made using an ultrafast x-ray microscope that enables high spatial resolution and temporal resolution.
Scientists at Helmholtz-Zentrum Berlin have discovered a surprising high-spin ground state in the cationic cousin of dichromium, Cr2+, using x-ray magnetic circular dichroism. The team found complete localization of all ten valence electrons and maximum spin coupling, transforming an antiferromagnet into ferromagnetic.
The MAX IV facility in Lund, Sweden is developing a storage-ring synchrotron system that will enable new experiments requiring high source brightness and transverse coherence. The system's design challenges include compact magnets and low-vacuum chambers, which require innovative solutions to overcome technical issues.
Researchers compared three X-ray phase tomography methods to determine which perform best for various conditions. The study found that holotomography and single-distance phase reconstruction outperform X-ray grating interferometry in terms of spatial resolution and contrast-to-noise ratios.
Researchers create pulse picking technique to enable users to select individual x-ray pulses on demand for high-resolution time-of-flight spectrometers. This allows for more precise band structure examinations in materials science.
Researchers at NUS have developed a technique to study the interface between materials, revealing new properties that arise when two materials are combined. This breakthrough opens doors to the development of better solar cells, novel superconductors, and smaller hard drives.
Researchers from Italy, France, Germany, and Russia develop experiment to measure photoelectric effect on excited xenon atoms. They successfully separate isotopes with zero and non-zero nuclear magnetic moments.
Researchers identify common characteristics of molecules that form good contacts with metals, enabling improvements to organic electronic devices. They found that oxygen atoms on the molecule's backbone play a crucial role in forming soft metallic contacts.
Scientists discovered a unique screw-and-nut joint in weevil hips, allowing for improved leg movement and climbing ability. This innovative feature has been present in over 50,000 weevil species worldwide.
Researchers use synchrotron radiation to identify copper-bearing molecules in ancient bird fossils, revealing pigmentation patterns that can be compared to living organisms. The technique allows for the concentration and distribution of pigments to be mapped, providing insights into camouflage and natural selection.
Researchers at Kiel University developed a method to track atomic-scale changes during etching and coating, revealing uniform metal removal. The technique enabled detection of reactions within milliseconds, providing insights into industrially employed processes.
Researchers at UC Davis and MIT used synchrotron radiation to show how nitric oxide breaks down iron-sulfur clusters in proteins, a vital process for all living organisms. The study provides insights into nitric oxide toxicity and could lead to new antimicrobial agents.
Researchers used X-rays to pinpoint locations of more than 50 mutations in the ryanodine receptor, a protein associated with calcium-related diseases. The study provides insights into how these mutations contribute to disease and could lead to new therapeutic targets for heart disease.
A team of paleontologists, geochemists, and physicists used X-ray technology to analyze the Thermopolis Archaeopteryx fossil, revealing half a dozen chemical elements that were part of the living animal itself. The study confirms that feathers in the fossil are actual fossilized feathers containing phosphorus and sulfur.
A team of scientists discovered the oldest fossil brain in a 300-million-year-old fossilized iniopterygian from Kansas. The brain is symmetrical and has a large lobe for vision, reflecting the fish's massive eye sockets.
A new technique has successfully revealed a hidden portrait of a woman behind Vincent van Gogh's 'Patch of Grass'. The method, using synchrotron radiation induced X-ray fluorescence spectroscopy, allowed researchers to reconstruct the concealed painting in unparalleled detail.
Researchers at the European Synchrotron Radiation Facility have visualized air pathways in apples and pears, showing that these microscopically small structures play a crucial role in determining fruit health. The study reveals that pears are more susceptible to decay due to their smaller oxygen supply channels.
Scientists study Cu3Au alloy's corrosion behavior, observing the formation of a protective passivation layer that protects against further corrosion. Controlled corrosion allows for nanometric-scale material structuring, potentially leading to new catalysts with high surface areas.
A team of researchers used a 100-nanometre wide x-ray beam to study how nanolayers buckle in bent high-tech carbon fibres. They observed the local strains and orientation of carbon layers in the fibre, revealing key findings on nano-buckling.
A team of international researchers analyzed the sulphur and iron composition in the wooden timbers of the Mary Rose, an English warship wrecked in 1545. They found high concentrations of organo-sulphur compounds in the lignin-rich areas between the cells, which may have helped preserve the ship while it was submerged in seawater.
The use of high-powered synchrotron X-ray sources and advanced detectors has significantly progressed protein structure calculation. Novel technologies like Energy Recovery Linacs (ERLs) will enable unprecedented brilliance in X-ray beams, opening new avenues for scientific exploration.
NASA has awarded a total of $28 million in research grants to study the effectiveness of existing materials and develop new, multifunctional spacecraft materials with high radiation shielding capabilities. The grants will help reduce crew health risks from space radiation and improve understanding of radiation health effects.
The new NE-CAT resource will provide urgently needed access to synchrotron radiation for probing biomolecular structures. This will lead to a deeper understanding of how proteins function and interact, ultimately informing the design of new therapeutics for human disease.
Researchers captured the first direct images of how high-energy X-rays break apart proteins, revealing specific chemical bonds vulnerable to radiation. This discovery may lead to new methods for preventing radiation damage and improving diagnostic tools for protecting against radiation exposure.