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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

Journal Highlight: Variable clustering and spectral angle mapper-orthogonal projection method for Raman mapping of compound detection in tablets

Date: Feb 13, 2017

Author: spectroscopyNOW

Raman mapping and a variable clustering approach have been used to accurately characterize the composition of tablets with multiple components.

Read More thumbnail image: Journal Highlight Variable clustering and spectral angle mapper-orthogonal projection method for Raman mapping of compound detection in tablets

Journal of Separation Science Celebrates 40th Volume

Date: Feb 8, 2017

Author:

The Journal of Separation Science was born in 1978 with the name, Journal of High Resolution Chromatography, and this year celebrates its 40th birthday. To celebrate, we've created a virtual issue containing the journal's top 40 cited papers over the last four decades; and it's free for you to read for the whole of 2017.

Read More thumbnail image: Journal of Separation Science Celebrates 40th Volume

Journal Highlight: Preparation of thermoresponsive fluorescent carbon dots for cellular imaging

Date: Feb 6, 2017

Author: spectroscopyNOW

Thermoresponsive fluorescent nanoparticles containing carbon dots have been synthesized for use in cellular labeling, showing long-term biostability in a cellular environment.

Read More thumbnail image: Journal Highlight Preparation of thermoresponsive fluorescent carbon dots for cellular imaging

Journal Highlight: Applications of DART-MS for food quality and safety assurance in food supply chain

Date: Feb 6, 2017

Author: spectroscopyNOW

Abundant applications of DART-MS for analyzing multiple food samples with simple or no sample treatment have been reviewed in the context of the food chain supply.

Read More thumbnail image: Journal Highlight Applications of DART-MS for food quality and safety assurance in food supply chain
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