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rssTwo 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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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).
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