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rssJournal Highlight: Graphene: A platform for surface-enhanced Raman spectroscopy
Date: Apr 29, 2013
Author: spectroscopyNOW
The multi-role of graphene played in SERS is overviewed, including as a Raman probe, a substrate, an additive, and a building block for a flat surface for SERS.
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Journal Highlight: Elemental ion release from fixed restorative materials into patient saliva
Date: Apr 29, 2013
Author: spectroscopyNOW
The elemental ion release of Cu, Zn, Pd, Ag and Au from fixed gold alloy crowns and Al and Si from ceramic crowns into patient saliva was studied by inductively coupled plasma mass spectrometry.
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Journal Highlight: Utilizing NMR and EPR spectroscopy to probe the role of copper in prion diseases
Date: Apr 29, 2013
Author: spectroscopyNOW
Current research on the role of copper in the conformational changes associated with prion diseases are reviewed with emphasis on the latest applications of NMR and EPR spectroscopy to probe the interactions of copper with prion proteins.
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Journal Highlight: Frontal brain expansion during development using MRI and endocasts: Relation to microcephaly and Homo floresiensis
Date: Apr 22, 2013
Author: spectroscopyNOW
To determine if modern human brain evolution occurs via an expansion of the frontal lobes, the MRI scans of 118 living infants, children, and adolescents were reviewed and the frontal width, maximal cerebral width and maximal cerebral length were measured and compared.
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Journal Highlight: Effects of acute exercise over heart proteome from monogenic obese (ob/ob) mice
Date: Apr 22, 2013
Author: spectroscopyNOW
To elucidate the effects of acute exercise in heart tissue from obese animals, 12-week-old obese (ob/ob) and non-obese (ob/OB) mice were submitted to a single bout of swimming and had their hearts analyzed by proteomic techniques.
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Chromosomal proteins: Placental proteome in the C-HPP
Date: Apr 15, 2013
Author: Steve Down
Thousands of human placental proteins have been identified in a genome-wide proteomic analysis as part of the international Chromosome-Centric Human Proteome Project.
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Journal Highlight: Assessment of resin formulations and determination of the formaldehyde to urea molar ratio by near- and mid-infrared spectroscopy and multivariate data analysis
Date: Apr 15, 2013
Author: spectroscopyNOW
The molar ratios of formaldehyde to urea in resin formulations have been analyzed by ATR-FTIR and FT-NIR spectroscopy, using PCA to separate them according to molar ratios and to distinguish between two groups of resins, and SIMCA to classify new resin samples.
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Polarity changes: Simultaneous positive and negative modes in DESI
Date: Apr 15, 2013
Author: Steve Down
Danish scientists have introduced a dual-mode imaging system for desorption ionisation mass spectrometry, in which images can be acquired in positive and negative mode simultaneously.
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Plumb job for polymer: Takes the lead
Date: Apr 15, 2013
Author: David Bradley
Researchers in Iran have used flame atomic absorption spectrometry (FAAS) to test a novel imprinted polymer designed to absorb contaminating lead ions from fresh fruit and vegetables.
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Photosynthesis:Study sheds new light
Date: Apr 15, 2013
Author: David Bradley
Caltech chemists believe they can now explain one of the last remaining mysteries concerning the process of photosynthesis in which light powers chemical conversion of carbon dioxide and water into sugars and oxygen. The work is based on synthetic, spectroscopic, and electrochemical studies, including X-ray spectroscopic work, and might one day lead to a range of novel photocatalysts that could be used to drive the water-splitting reactions in a synthetic analogue of photosynthesis.
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