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Two are better than one: Dual electrosprays for desorbed samples in ambient mass spectrometry

Date: Mar 1, 2013

Author: Steve Down

A laser desorption ambient mass spectrometry system with two post-desorption sprayers gives the flexibility to carry out different procedures on the same sample during the same experiment, rapidly switching spectra.

Read More thumbnail image: Two are better than one Dual electrosprays for desorbed samples in ambient mass spectrometry

A message for you: Mercury's turbulent past

Date: Mar 1, 2013

Author: David Bradley

X-ray spectroscopy and astronomical analyses reveal that Mercury - the planet closest to the Sun - may have had a vast, roiling ocean of liquid rock, or magma, during its very early history some 4.5 billion years ago.

Read More thumbnail image: A message for you Mercurys turbulent past

Indicator: Beat the Alzheimer's blues

Date: Mar 1, 2013

Author: David Bradley

Methylene blue is well known as a redox indicator in chemical laboratories, but it may also have a role to play in warding off the symptoms of Alzheimer's disease, according to a new study, or perhaps lead to novel drugs for the disorder based on its chemical structure and properties. Mechanistic details of the compound's putative mode of action are revealed in the journal Angewandte Chemie by researchers using nuclear magnetic resonance (NMR) and spectroscopy and other approaches.

Read More thumbnail image: Indicator Beat the Alzheimers blues

Evolutionary revelations: Positively not rhesus

Date: Mar 1, 2013

Author: David Bradley

Functional magnetic resonance imaging (fMRI) studies have demonstrated that humans have at least two functional networks in the brain's cerebral cortex that are not present in our relatively close relative, the rhesus monkey. The findings suggest that this characteristic of the human brain emerged some time during the evolutionary process between our primate ancestor and modern humans was probably not present in an ancestor common to rhesus monkeys and humans.

Read More thumbnail image: Evolutionary revelations Positively not rhesus

Water, water everywhere: Even on the Moon

Date: Mar 1, 2013

Author: David Bradley

An analysis of tiny mineral deposits from lunar anorthosites brought back to Earth by Apollo astronauts adds new evidence to suggestions that water was not lost to space during the formation of the Moon. The analysis was carried out using Fourier-transform infrared (FTIR) spectroscopy.

Read More thumbnail image: Water water everywhere Even on the Moon

Isotopic analysis: Solar system revelations

Date: Mar 1, 2013

Author: David Bradley

Researchers have used UV beamline studies and other techniques to analyse the origins of different isotope ratios among the chemical elements that make up the planets, moons, comets and asteroids, as well as the interplanetary ice and dust in our solar system. Their studies could provide new insights as to how the solar system evolved and what might be its ultimate fate.

Read More thumbnail image: Isotopic analysis Solar system revelations

Ringing the changes: Environmental endocrine detection

Date: Mar 1, 2013

Author: David Bradley

Cyclodextrin, the natural starch ring molecule, can be used to create a sensitive coating on gold for surface enhanced Raman spectroscopic (SERS) detection of endocrine disrupters present in environmental water samples, according to a new study.

Read More thumbnail image: Ringing the changes Environmental endocrine detection

Journal Highlight: Hyperpolarized 129Xe MRI of the human lung

Date: Feb 25, 2013

Author: spectroscopyNOW

The replacement of 3He by 129Xe as an MRI contrast agent is discussed with special reference to the evaluation of pulmonary structure and function.

Read More thumbnail image: Journal Highlight Hyperpolarized 129Xe MRI of the human lung

Journal Highlight: Unraveling the different proteomic platforms

Date: Feb 25, 2013

Author: spectroscopyNOW

This review is addressed to scientists working outside the field of proteomics and highlights the latest proteomics strategies, including bottom-up and top-down platforms, qualitative and quantitative methods, and data validation.

Read More thumbnail image: Journal Highlight Unraveling the different proteomic platforms

Journal Highlight: Ultraviolet/visible/near-infrared spectral analysis and chemometric tools for the discrimination of wines between subzones inside a controlled designation of origin: a case study of Rías Baixas

Date: Feb 18, 2013

Author: spectroscopyNOW

Chemometrics combined with ultraviolet, visible and near-infrared spectral analysis were evaluated to classify wines belonging to the controlled designation of origin (DO) Rías Baixas (Spain).

Read More thumbnail image: Journal Highlight Ultravioletvisiblenear-infrared spectral analysis and chemometric tools for the discrimination of wines between subzones inside a controlled designation of origin a case study of Rias Baixas
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