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Direct mass spectrometry of biofluids: Slug-flow microextraction for point-of-care applications

Date: Nov 21, 2014

Author: Steve Down

A novel combination of slug-flow microextraction and direct mass spectrometry has the potential to be translated into clinical and point-of-care applications which could replace traditional lab procedures for the analysis of biofluids.

Read More thumbnail image: Direct mass spectrometry of biofluids Slug-flow microextraction for point-of-care applications

Solid-state NMR joins IUCr

Date: Nov 20, 2014

Author: Professor Robin Harris, University of Durham

In this International Year of Crystallography, NMR has at last established its own Commission within The International Union of Crystallography, joining 22 other commissions on a whole range of crystallographic subjects.

Read More thumbnail image: Solid-state NMR joins IUCr

Journal Highlight: Overview of software options for processing, analysis and interpretation of mass spectrometric proteomic data

Date: Nov 17, 2014

Author: spectroscopyNOW

This review provides a snapshot of the tools and applications that are available for mass spectrometric high-throughput biocomputation, beginning with a brief introduction of proteomics and MS and presenting computational tools that can be employed at various stages of analysis.

Read More thumbnail image: Journal Highlight Overview of software options for processing analysis and interpretation of mass spectrometric proteomic data

Extreme isotope effects: Changing bonds

Date: Nov 15, 2014

Author: David Bradley

The effects of different isotopes present in a molecule can affect the making and breaking of chemical bonds during the course of a chemical reaction. However, work published in Angewandte Chemie uses theoretical calculations and other techniques to demonstrate that, in extreme cases, isotopic substitution can even cause a fundamental change in the type of chemical bond.

Read More thumbnail image: Extreme isotope effects Changing bonds

Corkage: Infrared clues

Date: Nov 15, 2014

Author: David Bradley

Researchers in Spain have demonstrated how infrared spectroscopy can be used to enhance the control of parameters that determine the performance of a wine cork in the bottle.

Read More thumbnail image: Corkage Infrared clues

Insecticidal fungi: Enzyme inhibitors extracted

Date: Nov 15, 2014

Author: David Bradley

Screening of dozens of strains of fungi that infect insects has led to the discovery of a strong inhibitor for the enzyme tyrosinase. Tyrosinase activity is involved in insect development processes but also in human aging, the development of melanoma, wound healing, and even in the browning of fruits and vegetables.

Read More thumbnail image: Insecticidal fungi Enzyme inhibitors extracted

Vanadium dioxide: In transition

Date: Nov 15, 2014

Author: David Bradley

Combining X-ray and neutron scattering data for lattice dynamics measurements with theoretical models improves our understanding of the well-known insulator vanadium dioxide and its transition to a metallic state.

Read More thumbnail image: Vanadium dioxide In transition

Viper venoms: Variations affect antivenom efficacy

Date: Nov 14, 2014

Author: Steve Down

The venoms of three closely related Middle Eastern vipers have widely different protein compositions, say an international team of scientists, who suggest that the single antivenom currently used for them all will offer limited success.

Read More thumbnail image: Viper venoms Variations affect antivenom efficacy

Halogenated carbazoles: Novel compounds in Lake Michigan sediments

Date: Nov 12, 2014

Author: Steve Down

Fifteen previously unknown and potentially dangerous halogenated carbazoles have been discovered in sediments from Lake Michigan by researchers looking for flame retardants. Their origins are unclear but they are likely to have been produced by industrial processes.

Read More thumbnail image: Halogenated carbazoles Novel compounds in Lake Michigan sediments

Journal Highlight: Exotic X-ray back-diffraction: a path toward a soft inelastic X-ray scattering spectrometer

Date: Nov 10, 2014

Author: spectroscopyNOW

Soft X-ray back-diffraction, at angles near and exactly equal to 90°, has been explored with a novel high-resolution Si(220) multi-bounce back-diffraction monochromator and an ultra-thin Si(220) crystal as the sample.

Read More thumbnail image: Journal Highlight Exotic X-ray back-diffraction a path toward a soft inelastic X-ray scattering spectrometer
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