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rssLife-saving NMR: Septic shock
Date: Mar 15, 2013
Author: David Bradley
NMR spectroscopy could be used to save the lives of children with septic shock by revealing the tell-tale profile of metabolites associated with the severest cases of this condition.
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Meat test: Llama burger, anyone?
Date: Mar 15, 2013
Author: David Bradley
Partial least-squares regression of data from visible and near infrared reflectance spectroscopy (VIS-NIRS) can be used to quickly discriminate between beef, horse and llama meat in processed food products.
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Heavy metal veggies: ICP-MS worth a nickel
Date: Mar 15, 2013
Author: David Bradley
The presence of heavy metal ions of nickel and chromium in vegetables, including potatoes, carrots and onions, irrigated with polluted water is revealed using X-series inductively coupled plasma mass spectrometry.
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Journal Highlight: Investigations of chemical warfare agents and toxic industrial compounds with proton-transfer-reaction mass spectrometry for a real-time threat monitoring scenario
Date: Mar 11, 2013
Author: spectroscopyNOW
Chemical warfare agents and toxic industrial compounds have been studied by high-resolution PTR-TOFMS to identify key product ions and their intensities with which to develop a low-resolution PTR-MS system for detecting threat agents in the atmosphere.
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Journal Highlight: Donor-substituted distyrylpyrazines: influence of steric congestion on UV–Vis absorption and fluorescence
Date: Mar 11, 2013
Author: spectroscopyNOW
The effects of large substituents on the amino groups in novel synthetic linear 2,5-distyrylpyrazines on steric congestion have been studied by UV–Vis absorption and fluorescence spectroscopy.
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Journal Highlight: Gilding and pigments of Renaissance marble of Abatellis Palace: non-invasive investigation by XRF spectrometry
Date: Mar 11, 2013
Author: spectroscopyNOW
The chemical composition of pictorial layers and their stratigraphical distribution on renaissance marble sculptures from Abatellis Palace, Palermo, have been characterised by UV-vis fluorescence and XRF measurements.
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Journal Highlight: Quantification of active ingredients in suppositories by FT-Raman spectroscopy
Date: Mar 4, 2013
Author: spectroscopyNOW
An efficient method for the quantitative determination of acetaminophen and diclofenac sodium in commercial suppositories based on partial least squares treatment of FT-Raman spectra is described.
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Journal Highlight: Infrared imaging as a cancer diagnostic tool: Introducing a new concept of spectral barcodes for identifying molecular changes in colon tumors
Date: Mar 4, 2013
Author: spectroscopyNOW
A biophotonic approach based on IR spectral micro-imaging combined with multivariate statistical analysis has been implemented on colon tissues to develop a new concept of spectral bar coding.
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Journal Highlight: Coupling of a high-resolution monoamine oxidase-A inhibitor assay and HPLC–SPE–NMR for advanced bioactivity profiling of plant extracts
Date: Mar 4, 2013
Author: spectroscopyNOW
A photometric microplate-based high-resolution monoamine oxidase A inhibitor assay was coupled with an HPLC–SPE–tube transfer NMR system for the bioactivity profiling of plant extracts in the search for new antidepressants.
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Journal Highlight: Modification and characterization of polyacrylonitrile fiber by chelating ligand for preconcentration and determination of neodymium ion in biological and environmental samples
Date: Mar 4, 2013
Author: spectroscopyNOW
Chelating fibers of polyacrylonitrile prepared from iminodiacetic acid have been used for the preconcentration and determination of trace Nd(III) ions from human biological fluid and environmental waters by ICP-AES.
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