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Journal Highlight: Measurement of protein size in concentrated solutions by small angle X-ray scattering

Date: Sep 6, 2016

Author: spectroscopyNOW

A quantitative mathematical correlation between the apparent size of a spherically symmetric homogenous particle and the solution concentration has been validated using SAXS experiments on protein solutions.

Read More thumbnail image: Journal Highlight Measurement of protein size in concentrated solutions by small angle X-ray scattering

Noble gas trap: A framework for extraction

Date: Sep 1, 2016

Author: David Bradley

Researchers at the Cambridge Crystallographic Data Centre (CCDC) in the UK and Argonne National Laboratory in the USA have collaborated to capture one of the more well-known noble gases, neon, of neon light fame, within the porous crystalline framework of a material known as NiMOF-74.

Read More thumbnail image: Noble gas trap A framework for extraction

Printed circuits on Mars: SLAC effort

Date: Aug 15, 2016

Author: David Bradley

A tool that could be used by astronauts on Mars to craft new components using a plasma jet is being developed by a NASA team working alongside SLAC's Stanford Synchrotron Radiation Lightsource (SSRL).

Read More thumbnail image: Printed circuits on Mars SLAC effort

Journal Highlight: Practical considerations in trace element analysis of bone by portable X-ray fluorescence

Date: Aug 8, 2016

Author: spectroscopyNOW

The practical applications and limitations of portable X-ray fluorescence for analyzing bone chemistry in a forensic context have been examined.

Read More thumbnail image: Journal Highlight Practical considerations in trace element analysis of bone by portable X-ray fluorescence

Research pressure: Terrific terapascals

Date: Aug 1, 2016

Author: David Bradley

An international research team led by scientists at the University of Bayreuth, in Germany, have set a new world record for pressure. They have successfully generated a pressure of 1 trillion pascals, 1 TPa, in the laboratory.

Read More thumbnail image: Research pressure Terrific terapascals

Quick change toxin: By cryo-electron microscopy

Date: Jul 15, 2016

Author: David Bradley

International scientists have turned to cryo-electron microscopy rather than X-ray crystallography or nuclear magnetic resonance (NMR) spectroscopy to help them unravel the structure of a deadly bacterial toxin that rips holes in body cells.

Read More thumbnail image: Quick change toxin By cryo-electron microscopy

Journal Highlight: Analysis of saliva and gingival crevice fluid by total reflection X-ray fluorescence (TXRF)

Date: Jul 11, 2016

Author: spectroscopyNOW

Total reflection X-ray fluorescence was used to analyze saliva samples collected in duct of the parotid gland and the gingival crevice, finding P, S, Cl, K, Ca, Ti, Mn, Fe, Cu, Zn, Se, Br, Rb, and Pb.

Read More thumbnail image: Journal Highlight Analysis of saliva and gingival crevice fluid by total reflection X-ray fluorescence TXRF

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
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