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Journal Highlight: Three-dimensional single-cell imaging with X-ray waveguides in the holographic regime

Date: Aug 8, 2017

Author: spectroscopyNOW

X-ray tomography of single biological cells in a low-dose regime, based on full-field holographic recordings, has been extended to eliminate the bottleneck of phase retrieval and cope with high noise.

Read More thumbnail image: Journal Highlight Three-dimensional single-cell imaging with X-ray waveguides in the holographic regime

Crystal reality check: Wonder stuff

Date: Aug 1, 2017

Author: David Bradley

It is well over a decade since materials scientists started to investigate so-called topological insulators. They are yet to live up to the hype and now researchers in the Netherlands think they know why.

Read More thumbnail image: Crystal reality check Wonder stuff

Tiniest cubic ice crystals: X-rayed

Date: Jul 15, 2017

Author: David Bradley

A new X-ray study of the tiny, almost perfect square ice crystals predicted to form in the chilly realm of high altitude clouds but extremely difficult to make at ground level could open up studies on how sunlight and air interact with clouds thereby improving our models of climate change.

Read More thumbnail image: Tiniest cubic ice crystals X-rayed

Journal Highlight: Experimental conformational energy maps of proteins and peptides

Date: Jul 10, 2017

Author: spectroscopyNOW

An extensive analysis of the peptide backbone dihedral angles of proteins in the Protein Data Bank has been carried out and Ramachandran plots for their distributions calculated.

Read More thumbnail image: Journal Highlight Experimental conformational energy maps of proteins and peptides

Two-phased water: X-ray insights

Date: Jul 1, 2017

Author: David Bradley

Liquid water exists as two distinct phases with very different structures and densities according to X-ray work by an international team.

Read More thumbnail image: Two-phased water X-ray insights

Answering Life's Questions with Spectroscopy

Date: Jun 28, 2017

Author: Jon Evans

Spectroscopy has been a common analytical technique in laboratories for many years. Recently, however, it has begun to emerge from the laboratory, both figuratively and literally, as more and more researchers discover that it is ideally placed to answer the questions they want to ask.

Read More thumbnail image: Answering Lifes Questions with Spectroscopy

Lassa lashed: X-ray vaccine clue

Date: Jun 15, 2017

Author: David Bradley

Lassa fever can be lethal, it is a severe hemorrhagic disease caused by a single-stranded RNA virus in the arenavirus family. There is currently no vaccine. But that might soon change thanks to X-ray crystallographic work ten years in the making.

Read More thumbnail image: Lassa lashed X-ray vaccine clue

Journal Highlight: Rapid acquisition of X-ray scattering data from droplet-encapsulated protein systems

Date: Jun 5, 2017

Author: spectroscopyNOW

A simple, versatile and reliable device compatible with in situ X-ray measurements has been developed for stable droplet formation and used to study droplet-encapsulated protein systems.

Read More thumbnail image: Journal Highlight Rapid acquisition of X-ray scattering data from droplet-encapsulated protein systems

Transient enzyme: X-rays and NMR combined

Date: Jun 1, 2017

Author: David Bradley

By combining the benefits of both X-ray crystallography and nuclear magnetic resonance (NMR) spectroscopy, Swedish scientists have been able to successfully map the structure and function of a transient enzyme state in modified adenylate kinase.

Read More thumbnail image: Transient enzyme X-rays and NMR combined

Modus operando: Better batteries with X-rays

Date: May 15, 2017

Author: David Bradley

Operando X-ray diffraction has been used to elucidate the role of SiO2 (quartz powder) added to the electrolyte (liquid component) in lithium-sulfur battery. Li-S battery is a promising future energy storage system because of it energy density higher than that of conventional lithium-ion batteries. However to date, this system suffers from quickly declining capacity.

Read More thumbnail image: Modus operando Better batteries with X-rays
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