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Journal Highlight: Multielemental analysis of powder samples by direct measurement with TXRF

Date: Aug 12, 2013

Author: spectroscopyNOW

The ability of the method to perform quantitative multielemental analysis using total reflection X-ray fluorescence without sample digestion was demonstrated.

Read More thumbnail image: Journal Highlight Multielemental analysis of powder samples by direct measurement with TXRF

Crystalline reception: Classy membrane proteins

Date: Aug 1, 2013

Author: David Bradley

The crystal structure of the human glucagon receptor, found mainly in liver and kidney cells could provide researchers with an important target for therapeutic agents to treat type 2 diabetes.

Read More thumbnail image: Crystalline reception Classy membrane proteins

Anthrax killer: It's sedimentary

Date: Jul 15, 2013

Author: David Bradley

X-ray crystallography and other techniques have been used to study an unusual antibiotic from a marine actinomycete that has demonstrable efficacy against the lethal microbe anthrax.

Read More thumbnail image: Anthrax killer Its sedimentary

Journal Highlight: Influence of the antiscatter grid on dose and image quality in pediatric interventional cardiology X-ray systems

Date: Jul 8, 2013

Author: spectroscopyNOW

A methodology and experimental results are presented to assess the influence, in terms of dose and image quality, of the antiscatter grid in a pediatric cardiology X-ray system.

Read More thumbnail image: Journal Highlight Influence of the antiscatter grid on dose and image quality in pediatric interventional cardiology X-ray systems

Fuel matters: Insights into enzymatic conversion

Date: Jul 1, 2013

Author: David Bradley

Altering the crystalline structure of cellulose from its native form to another can lower its binding partition coefficient for fungal cellulose enzymes by 40-50 percent but surprisingly boost hydrolytic activity. This new finding could thus help open the road to more efficient enzymatic production of biofuels from biomass rather than petroleum.

Read More thumbnail image: Fuel matters Insights into enzymatic conversion

What's the beef? Bovine antibodies X-rayed

Date: Jun 15, 2013

Author: David Bradley

US researchers have used X-ray diffraction to study several novel bovine antibodies that might one day lead to new types of agent against infectious pathogens.

Read More thumbnail image: Whats the beef Bovine antibodies X-rayed

Journal Highlight: Time-resolved X-ray PIV technique for diagnosing opaque biofluid flow with insufficient X-ray fluxes

Date: Jun 10, 2013

Author: spectroscopyNOW

X-ray particle image velocimetry in which an image intensifier was combined with a high-speed camera was used to reduce exposure time to below 200 µs, and applied to measure high-speed blood flows in a tube

Read More thumbnail image: Journal Highlight Time-resolved X-ray PIV technique for diagnosing opaque biofluid flow with insufficient X-ray fluxes

Diffract and destroy: Fluctuation X-ray scattering

Date: Jun 1, 2013

Author: David Bradley

Fluctuation X-ray scattering could help fill the gaps in our knowledge of protein structure thanks to the short bursts of radiation allowing data to be obtained from non-crystallisable proteins in their native, fluid state albeit with the sacrifice of the protein itself.

Read More thumbnail image: Diffract and destroy Fluctuation X-ray scattering

Low-temperature feedstock: XRD and oxidation

Date: May 15, 2013

Author: David Bradley

X-ray diffraction has been used to study the low-temperature oxidation of the important feedstock chemical ethylene over platinum nanoparticles supported on mesoporous silica, according to a study published in Angewandte Chemie.

Read More thumbnail image: Low-temperature feedstock XRD and oxidation

Journal Highlight: X-ray fluorescence analysis of Co, Ni, Pd, Ag, and Au in the scrapped printed-circuit-board ash

Date: May 7, 2013

Author: spectroscopyNOW

A validated method for the measurement of Co, Ni, Pd, Ag, and Au in ash derived from scrapped printed circuit boards used X-ray fluorescence spectrometry and gave similar results to those from atomic absorption spectrometry.

Read More thumbnail image: Journal Highlight X-ray fluorescence analysis of Co Ni Pd Ag and Au in the scrapped printed-circuit-board ash
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