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rssJournal Highlight: Raman and surface enhanced Raman scattering of a black dyed silk
Date: Sep 30, 2013
Author: spectroscopyNOW
The Raman and SERS spectra of a black dyed silk were measured based on isolated samples of Bombyx mori silk fibroin, its motif peptide component (GAGAGS) and the synthetic reactive black 5 dye.
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Journal Highlight: The Human Eye Proteome Project: Perspectives on an emerging proteome
Date: Sep 23, 2013
Author: spectroscopyNOW
Proteomic investigations of the human eye are reviewed and a catalogue of 4842 nonredundant proteins identified to date in human eye tissues and biofluids is presented, in the context of the Human Eye Proteome Project that was organized in September 2012.
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Journal Highlight: Body MRI artifacts in clinical practice: A physicist's and radiologist's perspective
Date: Sep 23, 2013
Author: spectroscopyNOW
This review promotes understanding of the artifacts which occur in MRI exams due to the high information content, so that they can be prevented or properly interpreted to optimize diagnostic effectiveness.
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Watching paint dry: Proton transfer mass spectrometry for indoor studies
Date: Sep 16, 2013
Author: Steve Down
The value of proton transfer reaction mass spectrometry for following the emission of volatile organic compounds in indoor spaces has been demonstrated by several examples, including laser printer discharges and paint drying.
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Eye spy: Proteins involved in diabetic macular edema
Date: Sep 16, 2013
Author: Steve Down
Several proteins that might be suitable as new therapeutic targets have been implicated in the onset of diabetic macular edema, one of the major causes of adult blindness in around the world.
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Journal Highlight: Quantitative analysis of tea using ytterbium-based internal standard near-infrared spectroscopy coupled with boosting least-squares support vector regression
Date: Sep 16, 2013
Author: spectroscopyNOW
Ytterbium-based internal standard NIR spectroscopy coupled with multivariate calibration was used for the for quantitative analysis of tea, including total free amino acids and total polyphenols.
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Astronomical job: Ironing out ions
Date: Sep 15, 2013
Author: David Bradley
New insights into the role of highly charged ions present in astrophysical plasmas, such as radiation transport within stars has emerged from research carried out by scientists at the Heidelberg Max Planck Institute for Nuclear Physics (MPIK) in cooperation with DESY in Hamburg, Germany. Using the synchrotron PETRA III instrument, the scientists have for the first time investigated the X-ray absorption of highly charged iron ions using a transportable ion trap developed at MPIK to generate and store the...
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Extracting the urine: Metabolic profile
Date: Sep 15, 2013
Author: David Bradley
A sophisticated research project at the University of Alberta, Canada, brings together nuclear magnetic resonance spectroscopic data, mass spectrometry and liquid chromatography to identify the 3000 or so chemical metabolites that can be present in a sample human urine. The work is the culmination of more than seven years effort and involved a team comprising almost twenty individual scientists. The researchers anticipate that their detailed chemical profile of urine will have considerable implications for...
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Meteoric rise: NMR reflections
Date: Sep 15, 2013
Author: David Bradley
Solid-state NMR spectroscopy and other techniques have been used to make an inventory of the insoluble organic molecules found in the Sutter's Mill meteorite that may reflect the chemical resources available to the early Earth. Details of the NMR and gas chromatography-mass spectrometric analyses released upon hydrothermal treatment of a sample from the meteorite are reported in the journal Proceedings of the National Academy of Sciences this month.
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Explosive laser: Shedding light on bombs
Date: Sep 15, 2013
Author: David Bradley
A laser that can detect microscopic traces of explosive chemicals on clothing and luggage has been developed by researchers at Michigan State University. The development opens up the possibility of the accurate identification of terror suspects are baggage that may represent a bomb threat at airports and other security checkpoints.
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