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Journal Highlight: X-ray imaging of leaf venation networks

Date: Jan 14, 2013

Author: spectroscopyNOW

Commercial and synchrotron X-ray imaging has been applied to leaf venation networks allowing major and minor veins to be consistently visualised at a rate of several hundred samples per day.

Read More thumbnail image: Journal Highlight X-ray imaging of leaf venation networks

Stomaching X-rays: Gastric microbe attack

Date: Jan 7, 2013

Author: David Bradley

An X-ray investigation has revealed a potential new way to attack the common gastric infection Helicobacter pylori, a pathogen known to cause ulcer and significantly increase the risk of developing stomach cancer.

Read More thumbnail image: Stomaching X-rays Gastric microbe attack

Journal Highlight: Classification and discrimination of some cosmetic face powders using XRF spectrometry with chemometric data analysis

Date: Dec 17, 2012

Author: spectroscopyNOW

Wavelength-dispersive X-ray fluorescence spectrometry has been employed for multi-elemental analysis of cosmetic powders, with cluster analysis and principal components analysis discriminating between samples of traditional or mineral formulation.

Read More thumbnail image: Journal Highlight Classification and discrimination of some cosmetic face powders using XRF spectrometry with chemometric data analysis

Diffract and destroy: 3D sleeping sickness enzyme

Date: Dec 12, 2012

Author:

The X-ray structure of an enzyme crucial to the life cycle of the microbial parasite that causes African trypanosomiasis (sleeping sickness) in humans has been determined through an international collaboration.

Read More thumbnail image: Diffract and destroy 3D sleeping sickness enzyme

Journal Highlight: X-ray-induced photo-chemistry and X-ray absorption spectroscopy of biological samples

Date: Dec 10, 2012

Author: spectroscopyNOW

The origins of X-ray-induced photo-chemistry in X-ray absorption spectroscopy experiments on biological samples have been reviewed.

Read More thumbnail image: Journal Highlight X-ray-induced photo-chemistry and X-ray absorption spectroscopy of biological samples

Muse on X-rays: Supermassive black hole

Date: Dec 1, 2012

Author:

A supermassive black hole 12.4 billion light years from Earth is pumping out a jet of X-rays that could give astronomers using NASA's Chandra X-ray Observatory a glimpse into how such bodies form and the role they play in galaxy formation in the early universe.

Read More thumbnail image: Muse on X-rays Supermassive black hole

Xenon warriors' success: Supercharged

Date: Nov 15, 2012

Author:

It is now possible to use a coherent light source to strip electrons from relatively inert xenon atoms at much lower energies than previously considered plausible. Using the Linac Coherent Light Source (LCLS) at the US Department of Energy's SLAC National Accelerator Laboratory, the researchers involved have shown that they can create a "supercharged" form of xenon.

Read More thumbnail image: Xenon warriors success Supercharged

Journal Highlight: Analysis of the Hoard of Beçin using X-ray-based techniques

Date: Nov 12, 2012

Author: spectroscopyNOW

A total of 416 coins from the 60,000 in the Hoard of Beçin from the Ottoman Empire were analysed by µ-synchrotron micro X-ray fluorescence analysis and µ-proton-induced X-ray emission to confirm their fineness and provenance.

Read More thumbnail image: Journal Highlight Analysis of the Hoard of Becin using X-ray-based techniques

Hand-holding molecules: X-rayed chaperones

Date: Nov 1, 2012

Author: David Bradley

X-ray crystallography has been used to identify two new small chaperone molecules. The targets may prove useful in developing the first pharmaceutical treatment for the rare but debilitating inherited metabolic disorder Schindler/Kanzaki disease.

Read More thumbnail image: Hand-holding molecules X-rayed chaperones

Nobel chemistry: pharma directions

Date: Oct 10, 2012

Author: David Bradley

The Royal Swedish Academy of Sciences has awarded the 2012 Nobel Prize in Chemistry jointly to Robert Lefkowitz of the Howard Hughes Medical Institute and Duke University Medical Center and Brian Kobilka Stanford of the University School of Medicine, Stanford "for studies of G-protein–coupled receptors".

Read More thumbnail image: Nobel chemistry pharma directions
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