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Journal Highlight: Extracellular proteasomes are deficient in 19S subunits as revealed by iTRAQ quantitative proteomics

Date: Feb 20, 2017

Author: spectroscopyNOW

To gain insight into the molecular and functional differences between extracellular and cellular proteasomes, the subunit compositions have been compared using iTRAQ-based quantitative proteomics.

Read More thumbnail image: Journal Highlight Extracellular proteasomes are deficient in 19S subunits as revealed by iTRAQ quantitative proteomics

Journal Highlight: The neurobiology of addiction: the perspective from magnetic resonance imaging present and future

Date: Feb 20, 2017

Author: spectroscopyNOW

This review considers the role of MRI in addiction research and what future technological improvements might offer, using a hermeneutic strategy supplemented by an expansive, systematic search of PubMed, Scopus and Web of Science databases.

Read More thumbnail image: Journal Highlight The neurobiology of addiction the perspective from magnetic resonance imaging present and future

Superhard: Calculating a nitrogen fix

Date: Feb 15, 2017

Author: David Bradley

An international team has used chemical computation to predict the existence of a novel superhard material that also has unusual electrical properties.

Read More thumbnail image: Superhard Calculating a nitrogen fix

Portable superconductors: Boost for NMR and MRI

Date: Feb 15, 2017

Author: David Bradley

The confluence of novel materials and a pioneering US discovery with innovation in cryogenics could soon lead to portable and lower-cost NMR and MRI machines, thanks to work at Cambridge University.

Read More thumbnail image: Portable superconductors Boost for NMR and MRI

Size is everything: X-ray protein volume

Date: Feb 15, 2017

Author: David Bradley

Researchers in the US appear to have solved a paradox regarding the changing volume of proteins that dates back half a century. The team can now predict accurately through computational work how volume will change for a given protein between its folded and unfolded state. The study might shed light on the inner workings of life under pressure in the ocean depths and could have implications for understanding alien biochemistry should we ever identify life on other planets.

Read More thumbnail image: Size is everything X-ray protein volume

Neutrophils and surgical trauma: Protein alterations

Date: Feb 15, 2017

Author: Steve Down

The activation of neutrophils following surgery has been studied by proteomic techniques to reveal some of the biochemical processes that are affected by trauma, offering therapeutic targets to treat post-operative complications.

Read More thumbnail image: Neutrophils and surgical trauma Protein alterations

Maternal marijuana: Cannabinoids in breast milk

Date: Feb 15, 2017

Author: Steve Down

Cannabinoids have been detected in breast milk by a novel, sensitive LC/MS method that will facilitate studies on the effects of active smoking and passive marijuana smoke on breastfeeding infants.

Read More thumbnail image: Maternal marijuana Cannabinoids in breast milk

Journal Highlight: Acidic weathering of basalt and basaltic glass: 1. Near-infrared spectra, thermal infrared spectra, and implications for Mars

Date: Feb 15, 2017

Author: spectroscopyNOW

The NIR and thermal IR spectra of lab-weathered crystalline and glassy basalts were consistent with spectral data from Mars, suggesting that glass-rich deposits and acidic weathering may have been widespread on the planet.

Read More thumbnail image: Journal Highlight Acidic weathering of basalt and basaltic glass 1_ Near-infrared spectra thermal infrared spectra and implications for Mars

Supercritical chromatography and chemometrics capture cannabis compounds

Date: Feb 15, 2017

Author: Ryan De Vooght-Johnson

Cannabis is a popular illegal drug, but is also increasingly used for medicinal purposes. A new, rapid UHPSFC method for determining the different compounds in cannabis has been developed by a team from the University of Mississippi, who went on to group different cannabis samples using chemometric methods.

Read More thumbnail image: Supercritical chromatography and chemometrics capture cannabis compounds

FAAS testing one's metal: Steel analysis

Date: Feb 15, 2017

Author:

Researchers in Japan have used a new flame atomic absorption spectrometer system, comprising a bright xenon lamp as the primary radiation source and a high-resolution Echelle monochromator, to study several 3d transition metal elements known to potentially be present in steel.

Read More thumbnail image: FAAS testing ones metal Steel analysis
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