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rssJournal Highlight: Analysis of audio magnetic tapes with sticky shed syndrome by ATR-FTIR
Date: Apr 1, 2013
Author: spectroscopyNOW
ATR-FTIR spectroscopy was used to identify spectroscopic markers for sticky shed syndrome in audio magnetic tapes with a poly(ester urethane) binder layer that are held in Library of Congress collections.
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Journal Highlight: Direct determination of arsenic in beet sugar molasses using nickel as chemical modifier by ETAAS
Date: Apr 1, 2013
Author: spectroscopyNOW
A simple electrothermal atomic absorption spectrometric method was described for the direct determination of arsenic in sugar beet molasses samples, using nickel nitrate as the chemical modifier.
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A crying shame: Protein panel in tears classifies eye disorders
Date: Apr 1, 2013
Author: Steve Down
The common ocular conditions dry eye and meibomian gland dysfunction can be distinguished from each other using a group of five proteins present in tears, according to Spanish scientists.
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Unearthing water's deep structure: Raman revelations
Date: Apr 1, 2013
Author:
Raman X-ray scattering has been used by a German-Finnish-French collaboration to investigate the behaviour of water subjected to the kinds of high pressures and temperatures it experiences deep within the Earth.
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Venusian vortex: Infrared images of planetary sibling
Date: Apr 1, 2013
Author: David Bradley
The South Polar Vortex of the planet Venus, second planet from the Sun, shows a much more chaotic and unpredictable weather system than had previously been recognised by astronomers. A new analysis of IR images shows that the axis of rotation of this vortex is nomadic about the pole depending on the particular altitude level in the clouds at which it is observed, revealing a much more unpredictable storm and morphology than thought.
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Mouthwash: An anticancer solution
Date: Apr 1, 2013
Author: David Bradley
The active ingredients in some commercially available mouthwash solution, the bisbiguanide oral disinfectants chlorhexidine (Chlorhexamed, Chlorhexal, Periogard, Corsodyl, and Chlorohex) and alexidine (Esemdent) have been in widespread use for many years. Now, 1H,15N-HSQC NMR spectroscopy has been used in studies to investigate the structural changes these compounds can induce that lead to apoptosis in oral cancer cells.
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Gut instinct: Stem cell reactions
Date: Apr 1, 2013
Author: David Bradley
In research funded by Great Ormond Street Hospital Children's Charity and with support from the Fondazione Citta della Speranza, researchers have demonstrated that stem cells taken from amniotic fluid can be used to restore gut structure and function following intestinal damage in rodents. The new work published in the journal Gut uses magnetic resonance imaging and could pave the way to a new form of cell therapy that is able to reverse serious damage caused by inflammation in the intestines of babies.
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Paintable electronics: Bringing polymers into line
Date: Apr 1, 2013
Author: David Bradley
Engineers at the University of Michigan and electronics company Samsung in Korea have devised a method for bringing otherwise unruly semiconducting polymers into line as verified by X-ray diffraction studies, which they suggest might one day pave the way for cheaper, greener, "paint-on" plastic electronics.
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Chlorophyll f: UV sheds some light on infrared molecule
Date: Apr 1, 2013
Author: David Bradley
Chlorophyll f is the most red-shifted natural chlorophyll and is made by the blue-green alga Halomicronema hongdechloris. Researchers have now carried out a structural assignment UV-Vis spectroscopy and other techniques. New insights into chlorophyll and its variants is important for understanding photosynthesis as well as for research into energy conversion, electron transfer applications.
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Journal Highlight: Mass spectrometry-based proteomics: The road to lung cancer biomarker discovery
Date: Mar 24, 2013
Author: spectroscopyNOW
This review describes studies that use mass spectrometry-based proteomics technologies to analyse tumour proteins and peptides which might represent new diagnostic, prognostic and predictive markers for lung cancer.
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