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Talc attack: Fast hydrothermal synthesis

Date: Jul 1, 2016

Author: David Bradley

Natural talc, hydrated magnesium silicate, forms underground over geological time periods, which is fine if you have time to wait and access to a deposit of the clay mineral. Now, X-ray diffraction reveals that a hydrothermal synthesis can be used to make the same substance in a matter of seconds.

Read More thumbnail image: Talc attack Fast hydrothermal synthesis

Butterfly effect: Photonics X-rayed

Date: Jun 15, 2016

Author: David Bradley

Researchers have used X-ray coherent diffractive imaging to take a close look at how the photonic crystals on the surface of a butterfly's wing generated the brilliant iridescent colours we perceive.

Read More thumbnail image: Butterfly effect Photonics X-rayed

Journal Highlight: Radiation damage in polymer films from grazing-incidence X-ray scattering measurements

Date: Jun 6, 2016

Author: spectroscopyNOW

A simple methodology is described to screen for beam damage resulting from grazing-incidence X-ray scattering experiments, based on lithographic principles.

Read More thumbnail image: Journal Highlight Radiation damage in polymer films from grazing-incidence X-ray scattering measurements

Warm dense matter: X-ray data computed

Date: Jun 1, 2016

Author: David Bradley

Supercomputers have been used to process the data from X-ray free electron lasers (XFELs) to help reveal the nature and characteristics of warm dense matter.

Read More thumbnail image: Warm dense matter X-ray data computed

X-rays help outwit superbugs: Mercy MRSA

Date: May 15, 2016

Author: David Bradley

Small angle X-ray scattering (SAXS) and X-ray diffraction have been used to characterize one of the key metabolic enzymes in a so-called superbug, which could open up a new target for antibiotic-resistant bacteria.

Read More thumbnail image: X-rays help outwit superbugs Mercy MRSA

Journal Highlight: Investigation of the possible origins of sulfur in 19th century salted paper photographs by x-ray fluorescence spectroscopy

Date: May 9, 2016

Author: spectroscopyNOW

An X-ray fluorescence method to determine whether sulfur is present in 19th century photographs due to intentional toning or to environmental deterioration has been proposed.

Read More thumbnail image: Journal Highlight Investigation of the possible origins of sulfur in 19th century salted paper photographs by x-ray fluorescence spectroscopy

Integrated solar energy: EDS lights up

Date: May 1, 2016

Author: David Bradley

Energy-dispersive X-ray spectroscopy (EDS) has been used by researchers in China to study semiconducting sulfides for full-spectrum solar energy conversion with the benefit of efficient charge separation.

Read More thumbnail image: Integrated solar energy EDS lights up

Regulatory enzymes: Protein kinase structure

Date: Apr 15, 2016

Author: David Bradley

When the almost ubiquitous cell regulatory enzymes known as protein kinases go awry they can be involved in cardiovascular diseases, cancer and diabetes. The determination of the crystal structure of an important member of the family, PKGI (protein kinase GI) will have implications for understanding the biomolecular mechanisms and perhaps point the way to novel therapies. 

Read More thumbnail image: Regulatory enzymes Protein kinase structure

Journal Highlight: Perspectives and limitations of symmetric X-ray Bragg reflections for inspecting polytypism in nanowires

Date: Apr 11, 2016

Author: spectroscopyNOW

X-ray diffraction, possibly time-resolved during growth or annealing, has been used to study polytypism in free-standing nanowires and statistical distributions of the polytypes have been are simulated and compared.

Read More thumbnail image: Journal Highlight Perspectives and limitations of symmetric X-ray Bragg reflections for inspecting polytypism in nanowires

Trojan virus: Hollow crystal structure

Date: Apr 1, 2016

Author: David Bradley

A hollowed out version of the plant pathogen, cowpea mosaic virus (CPMV), has the capacity to detect tumours and delivery a a targeted chemotherapy agent, suggests its X-ray crystal structure.

Read More thumbnail image: Trojan virus Hollow crystal structure
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