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Journal 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.

Read More thumbnail image: Journal Highlight Graphene A platform for surface-enhanced Raman spectroscopy

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.

Read More thumbnail image: Journal Highlight Elemental ion release from fixed restorative materials into patient saliva

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.

Read More thumbnail image: Journal Highlight Utilizing NMR and EPR spectroscopy to probe the role of copper in prion diseases

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.

Read More thumbnail image: Journal Highlight Frontal brain expansion during development using MRI and endocasts Relation to microcephaly and Homo floresiensis

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.

Read More thumbnail image: Journal Highlight Effects of acute exercise over heart proteome from monogenic obese obob mice

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.

Read More thumbnail image: Chromosomal proteins Placental proteome in the C-HPP

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.

Read More thumbnail image: 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

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.

Read More thumbnail image: Polarity changes Simultaneous positive and negative modes in DESI

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.

Read More thumbnail image: Plumb job for polymer Takes the lead

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.

Read More thumbnail image: PhotosynthesisStudy sheds new light
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