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Biofluid identity: Forensic evidence

Date: Jun 15, 2018

Author: Steve Down

Human body fluids collected at crime scenes can be classified from their constituent proteins in a single mass spectrometric experiment that can be combined with DNA analysis for suspect identification.

Read More thumbnail image: Biofluid identity Forensic evidence

Bronze Age olive oil: NMR in old Italy

Date: Jun 15, 2018

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy, gas chromatography-mass spectrometry (GC-MS), and other techniques has been used to analyse an ancient pottery. The data suggest that "Italians" were using olive oil at least 700 hundred years earlier than previously thought, in the early Bronze Age.

Read More thumbnail image: Bronze Age olive oil NMR in old Italy

Chemical language: A "Babel Fish" for NMR

Date: Jun 15, 2018

Author: David Bradley

The idea of a common electronic language is linked closely to the growing need for open-access databases. Now, a team at the University of Geneva in Switzerland, has devised a common electronic language that gets around the problem of different laboratories using different language in conjunction with organic compounds and their nuclear magnetic resonance (NMR) spectroscopic data.

Read More thumbnail image: Chemical language A Babel Fish for NMR

Eye, eye: Sea Urchin feet X-rayed

Date: Jun 15, 2018

Author: David Bradley

Sea urchins are not renowned for the visual acuity, indeed they don't have eyes, as such, but they can perceive light. A new study from Lund University using X-ray tomography and electron microscopy shows that they can see with their feet.

Read More thumbnail image: Eye eye Sea Urchin feet X-rayed

Soil storage: CV-AAS checks mercury levels

Date: Jun 15, 2018

Author: David Bradley

Researchers in the Czech Republic have used cold vapour atomic absorption spectroscopy (CV-AAS) to re-analyse mercury levels in well-studied soil samples to discern whether or not levels of this important elemental pollutant are stable in long-term storage.

Read More thumbnail image: Soil storage CV-AAS checks mercury levels

Journal Highlight: Synthesis of antimony trioxide crystals with various morphologies and their UV‐Vis‐NIR reflectance performance

Date: Jun 11, 2018

Author: spectroscopyNOW

Antimony trioxide crystals with various morphologies have been synthesized and characterized and the UV‐Vis‐NIR reflectance performances of the different shaped crystals were evaluated.

Read More thumbnail image: Journal Highlight Synthesis of antimony trioxide crystals with various morphologies and their UVVisNIR reflectance performance

Journal Highlight: The ongoing evolution of laser desorption/ionization mass spectrometry: Some observations on current trends and future directions

Date: Jun 11, 2018

Author: spectroscopyNOW

Some of the numerous, but scattered reports on novel laser desorption/ionization strategies have been reviewed with an emphasis on modified sample support substrates and plates and their potential to markedly enhance the utility of LDI‐MS.

Read More thumbnail image: Journal Highlight The ongoing evolution of laser desorptionionization mass spectrometry Some observations on current trends and future directions

Journal Highlight: Chemical mapping by macroscopic X‐ray powder diffraction (MA‐XRPD) of Van Gogh's sunflowers: Identification of areas with higher degradation risk

Date: Jun 11, 2018

Author: spectroscopyNOW

Macroscopic X‐ray powder diffraction imaging of selected areas on Van Gogh's Sunflowers revealed the presence of two subtypes of chrome yellow, one of which indicatied a higher risk for past or future darkening.

Read More thumbnail image: Journal Highlight Chemical mapping by macroscopic Xray powder diffraction MAXRPD of Van Goghs sunflowers Identification of areas with higher degradation risk

Journal Highlight: Rutile R632 – A new natural reference material for U‐Pb and Zr determination

Date: Jun 4, 2018

Author: spectroscopyNOW

A new natural rutile reference material which is suitable for U‐Pb dating and Zr‐in‐rutile thermometry by microbeam methods significantly expands the range of available rutile reference materials relevant for age and temperature determinations.

Read More thumbnail image: Journal Highlight Rutile R632  A new natural reference material for UPb and Zr determination

Journal Highlight: TGA/FTIR study of the pyrolysis of sodium citrate and its effect on the pyrolysis of tobacco and tobacco/SBA‐15 mixtures under N2 and air atmospheres

Date: Jun 4, 2018

Author: spectroscopyNOW

The effect of sodium citrate mixed with tobacco, in the presence and absence of SBA‐15 silica, was studied by TGA/FTIR under nitrogen and air atmospheres.

Read More thumbnail image: Journal Highlight TGAFTIR study of the pyrolysis of sodium citrate and its effect on the pyrolysis of tobacco and tobaccoSBA15 mixtures under N2 and air atmospheres
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