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Social rank: Stressed out by NMR

Date: Aug 1, 2017

Author: David Bradley

Social ranking is a major determining factor for vulnerability to chronic stress, according to a new study that uses nuclear magnetic resonance (NMR) spectroscopy to look at energy metabolism in the brain as a predictive biomarker.

Read More thumbnail image: Social rank Stressed out by NMR

Crystal reality check: Wonder stuff

Date: Aug 1, 2017

Author: David Bradley

It is well over a decade since materials scientists started to investigate so-called topological insulators. They are yet to live up to the hype and now researchers in the Netherlands think they know why.

Read More thumbnail image: Crystal reality check Wonder stuff

Bipolar telomeres: MRI and age

Date: Aug 1, 2017

Author: David Bradley

Patients with bipolar disorder treated with the standard drug for the condition, lithium, retain longer telomeres than untreated and asymptomatic family members. Evidence from magnetic resonance imaging (MRI) provides parallel support for the findings.

Read More thumbnail image: Bipolar telomeres MRI and age

Taking the pulse: Fast-action laser pulses

Date: Aug 1, 2017

Author: David Bradley

A system that can repeatedly deliver a filtered laser pulse of 0.19 mJ of energy at a repetition rate of 100 kHz has been developed by US researchers. Pulses of 7 femtoseconds duration are available for for experiments with this system.

Read More thumbnail image: Taking the pulse Fast-action laser pulses

Core of the problem: Cometary IR

Date: Aug 1, 2017

Author: David Bradley

NASA's Wide-field Infrared Survey Explorer (WISE) spacecraft has delivered new insights into the properties of long-period comets. In work led by James Bauer of the University of Maryland it has been shown that there are seven times as many long-period comets at least 1 kilometre in diameter than previously predicted.

Read More thumbnail image: Core of the problem Cometary IR

Electrical white light: Raman confirmation

Date: Aug 1, 2017

Author: David Bradley

A new material that emits white light when exposed to electricity has been synthesized by researchers in Japan who used Raman and X-ray techniques to confirm of their structure.

Read More thumbnail image: Electrical white light Raman confirmation

Journal Highlight: Interpretation of seemingly contradictory data: Low NMR S2 order parameters observed in helices and high NMR S2 order parameters in disordered loops of the protein hGH at low pH

Date: Jul 31, 2017

Author: spectroscopyNOW

S2 order parameter-restraining MD simulations have been used to explain the contradictory S2 order parameters for backbone N−H vectors derived from NMR relaxation measurements on hGH at low pH.

Read More thumbnail image: Journal Highlight Interpretation of seemingly contradictory data Low NMR S2 order parameters observed in helices and high NMR S2 order parameters in disordered loops of the protein hGH at low pH

Journal Highlight: Non-traditional isotope perspectives in vertebrate palaeobiology

Date: Jul 31, 2017

Author: spectroscopyNOW

Current knowledge surrounding the use of MC-ICP-MS and other geochemical methods in vertebrate palaeobiology has been reviewed, including a case study involving two mammal assemblages from the Pleistocene of Europe.

Read More thumbnail image: Journal Highlight Non-traditional isotope perspectives in vertebrate palaeobiology

Journal Highlight: Challenges in model development for meat composition using multipoint NIR spectroscopy from at-line to in-line monitoring

Date: Jul 31, 2017

Author: spectroscopyNOW

Multipoint near-infrared spectroscopy has been used to predict the fat and moisture content of minced beef samples in at-line and on-line modes and the obstacles encountered during in-line monitoring have been identified.

Read More thumbnail image: Journal Highlight Challenges in model development for meat composition using multipoint NIR spectroscopy from at-line to in-line monitoring

Journal Highlight: Integration of over 9,000 mass spectrometry experiments builds a global map of human protein complexes

Date: Jul 24, 2017

Author: spectroscopyNOW

The most comprehensive and accurate human protein complex map to date, hu.MAP has been derived from > 9,000 published mass spectrometry experiments to hold > 4,600 total complexes, > 7,700 proteins, and > 56,000 unique interactions, including many not identified by the original publications.

Read More thumbnail image: Journal Highlight Integration of over 9000 mass spectrometry experiments builds a global map of human protein complexes
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