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Pollock's paints: Modern art X-rayed

Date: Nov 1, 2016

Author: David Bradley

A non-invasive study using macro X-ray fluorescence mapping (MA-XRF) and multivariate curve resolution-alternating least squares (MCR-ALS) analysis has been used to work out what paints Jackson Pollock used to create his work Number 1A from 1948, the analysis also suggests in what order the drips may have been applied.

Read More thumbnail image: Pollocks paints Modern art X-rayed

Microbatteries: X-rayed tubes

Date: Oct 15, 2016

Author: David Bradley

X-ray nanotomography and other techniques are assisting with the 3D design of a new type of solid electrolyte, micro-battery for portable devices at the millimetre scale.

Read More thumbnail image: Microbatteries X-rayed tubes

Journal Highlight: ToF-SIMS investigation of ancient ceramics from the Quartaia Site, Tuscany

Date: Oct 14, 2016

Author: spectroscopyNOW

Ancient fragments, belonging to the archeological site of Quartaia (Tuscany), were examined to obtain chemical and spatial information on inorganic and organic components. The results revealed the presence of the major elements (Al, Mg, Na, K, Ca, Si, Fe); minor elements (Cr, Cu, Mn, Pb); and organic components adsorbed during the firing process, both in depurata and non-depurata ceramics.

Read More thumbnail image: Journal Highlight ToF-SIMS investigation of ancient ceramics from the Quartaia Site Tuscany

Journal Highlight: Body fat measurement in adolescent girls with type 1 diabetes: a comparison of skinfold equations against dual-energy X-ray absorptiometry

Date: Oct 10, 2016

Author: spectroscopyNOW

The measurement of body fat on adolescent girls with type 1 diabetes by dual-energy X-ray absorptiometry suggests that the common method based on skinfold measurements is inaccurate.

Read More thumbnail image: Journal Highlight Body fat measurement in adolescent girls with type 1 diabetes a comparison of skinfold equations against dual-energy X-ray absorptiometry

Crystals redux: X-ray buckyball revelation

Date: Oct 1, 2016

Author: David Bradley

The century-old received wisdom concerning crystallography may have been turned over by an international twenty strong team of scientists who have found a way to make a new type of crystal using a high-intensity light source. Brian Abbey of La Trobe University, in Melbourne, Australia and colleague Harry Quiney of the University of Melbourne report details in the journal Science Advances.

Read More thumbnail image: Crystals redux X-ray buckyball revelation

Check its pulse: X-rays reveal slowest magnetar

Date: Sep 15, 2016

Author: David Bradley

NASA's Chandra X-ray Observatory and Nuclear Spectroscopic Telescope Array, or NuSTAR, have observed the slowest magnetar, a spinning neutron star rotating at least one thousand times slower than other known pulsars.

Read More thumbnail image: Check its pulse X-rays reveal slowest magnetar

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
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