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Modified Mediterranean diet: NMR metabolomics reveals changes caused by olive oil and nuts

Date: Dec 15, 2014

Author: Steve Down

People on the Mediterranean diet supplemented with nuts or extra virgin olive oil adopt a modified metabolism over three years, indicated by NMR-based metabolomics.

Read More thumbnail image: Modified Mediterranean diet NMR metabolomics reveals changes caused by olive oil and nuts

Journal Highlight: ToF-SIMS data analysis for complex plant tissue samples using multivariate analysis and G-SIMS

Date: Dec 15, 2014

Author: spectroscopyNOW

Sections of Wasabi petioles were evaluated with ToF-SIMS to clarify the distribution of sinigrin molecules, a combination of multivariate analysis and G-SIMS working effectively to interpret the complex data.

Read More thumbnail image: Journal Highlight ToF-SIMS data analysis for complex plant tissue samples using multivariate analysis and G-SIMS

Coated blade spray: Combining SPME with ambient mass spectrometry

Date: Dec 15, 2014

Author: Steve Down

A new coated blade device for the extraction of analytes from complex matrices and subsequent direct ambient ionisation for mass spectrometric analysis aims to provide accurate, fast and low-cost assays of biological fluids and tissue in the clinical setting.

Read More thumbnail image: Coated blade spray Combining SPME with ambient mass spectrometry

Water, water everywhere: Comet not the source

Date: Dec 15, 2014

Author: David Bradley

An analysis of the deuterium to hydrogen ratio of water sampled by the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis shows that the water vapour from comet 67P is very different from the water we find on Earth suggesting that comets were perhaps not the water bearers for our planet that some theories have suggested.

Read More thumbnail image: Water water everywhere Comet not the source

X-rays on Mars: CheMin diffraction

Date: Dec 15, 2014

Author: David Bradley

The X-ray diffractometer CheMin onboard the Mars rover "Curiosity" has obtained fascinating data from five soil samples on the Red Planet revealing a complex mineralogy with hints to aqueous alterations.

Read More thumbnail image: X-rays on Mars CheMin diffraction

Sperm quality and aluminium: Atomic revelations

Date: Dec 15, 2014

Author: David Bradley

Could aluminium be responsible for a decades-long decline in sperm quality? Researchers in France and the UK have used graphite furnace atomic absorption spectrometry to analyse aluminium content of semen samples an found that men with "oligozoospermia" had a statistically higher aluminium concentration than others.

Read More thumbnail image: Sperm quality and aluminium Atomic revelations

NMR spectroscopy rides in: Detects horse fat

Date: Dec 15, 2014

Author: David Bradley

The presence of horsemeat in adulterated meat products can now be revealed quickly and easily using nuclear magnetic resonance (NMR) spectroscopy to test the fat profile of the food without the need for complication and long-winded genetic analysis.

Read More thumbnail image: NMR spectroscopy rides in Detects horse fat

Journal Highlight: Matrix-assisted laser desorption/ionization mass spectrometry imaging: a powerful tool for probing the molecular topology of plant cutin polymer

Date: Dec 8, 2014

Author: spectroscopyNOW

The cutin polymers of different fruit cuticles (tomato, apple, nectarine) were examined using MALDI MSI after in situ release of the lipid monomers by alkaline hydrolysis, revealing a powerful tool for probing the surface heterogeneity of plant lipid polymers.

Read More thumbnail image: Journal Highlight Matrix-assisted laser desorptionionization mass spectrometry imaging a powerful tool for probing the molecular topology of plant cutin polymer

Journal Highlight: Covering complete proteomes with X-ray structures: a current snapshot

Date: Dec 8, 2014

Author: spectroscopyNOW

A first-of-its-kind large-scale analysis of the crystallization propensity of all (nearly 2000) known complete proteomes encoded since 1953 has been performed, to define the coverage by X-ray structures of proteins and complete proteomes.

Read More thumbnail image: Journal Highlight Covering complete proteomes with X-ray structures a current snapshot

Journal Highlight: Visualization of controlled fragrance release from cyclodextrin inclusion complexes by fluorescence imaging

Date: Dec 8, 2014

Author: spectroscopyNOW

A fluorescence imaging system has been devised as a simple but effective tool to visualize the moisture-activated release of fragrance from cyclodextrin inclusion complexes.

Read More thumbnail image: Journal Highlight Visualization of controlled fragrance release from cyclodextrin inclusion complexes by fluorescence imaging
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