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Journal Highlight: Scanning X-ray diffraction on cardiac tissue: automatized data analysis and processing

Date: Dec 4, 2017

Author: spectroscopyNOW

A scanning X-ray diffraction study of cardiac tissue has been performed covering the entire cross section of a mouse heart slice using a technique that could be easily extended to characterize tissue from a diseased heart.

Read More thumbnail image: Journal Highlight Scanning X-ray diffraction on cardiac tissue automatized data analysis and processing

Antibiotic binding: X-rays show us the sites

Date: Dec 1, 2017

Author: David Bradley

Researchers at the Université de Montréal, Canada, are using X-ray crystallography to find the exact binding site for small molecules that can attach and thus inhibit the bacterial protein, TraE, which is an essential component of the plasmid transfer machinery of bacterial resistance gene sharing.

Read More thumbnail image: Antibiotic binding X-rays show us the sites

What a pen and ink: X-rayed papyrus

Date: Nov 15, 2017

Author: David Bradley

X-ray microscopic analyses of 2,000-year-old papyri fragments by scientists at the University of Copenhagen, Denmark, has shown that the black ink used by Egyptian scribes was not comprised of purely carbon-based organic materials as previously thought but contains the metallic element copper not previously identified in such inks.

Read More thumbnail image: What a pen and ink X-rayed papyrus

Journal Highlight: In vivo X-ray imaging of transport of renal clearable gold nanoparticles in the kidneys

Date: Nov 6, 2017

Author: spectroscopyNOW

Noninvasive X-ray imaging of renal clearable gold nanoparticles in normal and nephropathic kidneys has advanced understanding of the nano-bio interactions while offering a new pathway to noninvasively image kidney dysfunction and local injuries at the anatomical level.

Read More thumbnail image: Journal Highlight Invivo X-ray imaging of transport of renal clearable gold nanoparticles in the kidneys

X-rayed perovskites: Probably

Date: Nov 1, 2017

Author: David Bradley

Researchers in Japan have used Bayesian statistical analysis to help them work out the structure of a perovskite surface from its X-ray data.

Read More thumbnail image: X-rayed perovskites Probably

Cool microscopy: Nobel chemistry

Date: Oct 15, 2017

Author: David Bradley

The development of cryo-electron microscopy has led to this year's Nobel Prize for Chemistry been awarded to Jacques Dubochet of the University of Lausanne, Switzerland, Joachim Frank of Columbia University, New York, USA, and Richard Henderson of the Medical research Council Laboratory of Molecular Biology (MRC-LMB) in Cambridge, UK.

Read More thumbnail image: Cool microscopy Nobel chemistry

Journal Highlight: Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

Date: Oct 9, 2017

Author: spectroscopyNOW

A feasibility study investigating the use of total reflection X-ray fluorescence analysis for the quantification of elements in directly collected aerosol samples is described.

Read More thumbnail image: Journal Highlight Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

Breaking Coloumb's law: Scattered X-ray results

Date: Oct 1, 2017

Author: David Bradley

X-ray scattering studies have been used to show how the previously immutable Coloumb's law that says electrical charges attract might be broken. The discovery could pave way the way to a new type of battery, new water treatment technology, and alternative energy supply.

Read More thumbnail image: Breaking Coloumbs law Scattered X-ray results

Journal Highlight: Chiral gold nanoclusters: Atomic level origins of chirality

Date: Sep 11, 2017

Author: spectroscopyNOW

The use of single-crystal X-ray crystallography to study the chirality of atomically precise thiolate-protected gold nanoclusters, which have emerged as a new class of nanomaterial, has been reviewed.

Read More thumbnail image: Journal Highlight Chiral gold nanoclusters Atomic level origins of chirality

DNA unravelled: X-rays show archaic folding origin

Date: Aug 15, 2017

Author: David Bradley

New X-ray crystallographic work by scientists at the Howard Hughes Medical Institute reveals that organisms with cell nuclei, eukaryotes, which includes all multicellular life uses proteins to pack its DNA into the cell nucleus using similar folding techniques as that seen in microbes whose ancestry stretches back to the dawn of life on earth, the archaea.

Read More thumbnail image: DNA unravelled X-rays show archaic folding origin
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