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Journal Highlight: Chemical mapping by macroscopic X‐ray powder diffraction (MA‐XRPD) of Van Gogh's sunflowers: Identification of areas with higher degradation risk

Date: Jun 11, 2018

Author: spectroscopyNOW

Macroscopic X‐ray powder diffraction imaging of selected areas on Van Gogh's Sunflowers revealed the presence of two subtypes of chrome yellow, one of which indicatied a higher risk for past or future darkening.

Read More thumbnail image: Journal Highlight Chemical mapping by macroscopic Xray powder diffraction MAXRPD of Van Goghs sunflowers Identification of areas with higher degradation risk

Insider view: X-rayed battery life

Date: Jun 1, 2018

Author: David Bradley

A three-dimensional X-ray tomographic study carried out by researchers from the University of Illinois to investigate lithium battery electrodes could improve our understanding of this almost ubiquitous technology and perhaps lead to improvements in storage capacity and battery lifespan.

Read More thumbnail image: Insider view X-rayed battery life

Throwing shapes: Diffracting on memory effect

Date: May 15, 2018

Author:

Shape-shifting, porous materials are one step closer thanks to work carried out at Kyoto University, Japan. X-ray crystallography studies provide the details of the function known as shape-memory effect in these substances.

Read More thumbnail image: Throwing shapes Diffracting on memory effect

Journal Highlight: Hard X‐ray nanoholotomography: Large‐scale, label‐free, 3D neuroimaging beyond optical limit

Date: May 7, 2018

Author: spectroscopyNOW

The use of X‐ray nanoholotomography as an emerging synchrotron radiation‐based technology for large‐scale, label‐free, direct neuroimaging shows that it can complement microscopy by providing large isotropic volumetric data and morphological detail.

Read More thumbnail image: Journal Highlight Hard Xray nanoholotomography Largescale labelfree 3D neuroimaging beyond optical limit

X marks the spot: Organic fuel cells

Date: May 1, 2018

Author: David Bradley

An X-ray diffraction study reveals details of porous organic salt structures that have high proton conductivity and might be used in future fuel cell technology.

Read More thumbnail image: X marks the spot Organic fuel cells

Islands in the exhaust stream: X-rays get nano

Date: Apr 15, 2018

Author: David Bradley

X-ray diffraction data sensitive to metal nanoparticle surface structure has been combined with in situ mass spectrometry to observe the ambient pressure carbon monoxide oxidation over a platinum-rhodiumcatalyst.

Read More thumbnail image: Islands in the exhaust stream X-rays get nano

Journal Highlight: Assessment of chemical elements in cosmetics' eyeshadows by X‐ray fluorescence and International Nomenclature of Cosmetic Ingredients characterization

Date: Apr 9, 2018

Author: spectroscopyNOW

An EDXRF study of inorganic chemical elements in eyeshadows has shown that commercial regularization and International Nomenclature of Cosmetic Ingredients standardization are not fully complied with by manufacturers in Brazil.

Read More thumbnail image: Journal Highlight Assessment of chemical elements in cosmetics eyeshadows by Xray fluorescence and International Nomenclature of Cosmetic Ingredients characterization

Galen's hidden medicine: X-rays reveal

Date: Apr 1, 2018

Author: David Bradley

An X-ray fluorescence study has revealed the text of an ancient medical text, "On the Mixtures and Powers of Simple Drugs" by Galen of Pergamon written over in the 11th Century. Galen was physician to emperors and gladiators and wrote many works on medical practice and philosophy.

Read More thumbnail image: Galens hidden medicine X-rays reveal

Inflammatory enzyme: X-ray clues

Date: Mar 15, 2018

Author: David Bradley

The X-ray structure of a protein involved in the body's inflammatory response has been determined by researchers at Saint Louis University and their colleagues.

Read More thumbnail image: Inflammatory enzyme X-ray clues

Journal Highlight: Interpreting technical evidence from spectral imaging of paintings by Édouard Manet in the Courtauld Gallery

Date: Mar 12, 2018

Author: spectroscopyNOW

Four paintings by Édouard Manet in The Courtauld Gallery have been investigated for the first time using a range of non-invasive in situ analyses including macro X-ray fluorescence, reflection spectral imaging, portable UV–Vis–NIR spectroscopy, portable Raman spectroscopy and reflection FTIR.

Read More thumbnail image: Journal Highlight Interpreting technical evidence from spectral imaging of paintings by Edouard Manet in the Courtauld Gallery
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