Research

Pittcon 2011 Call for Papers

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Pittcon 2011, the 62nd annual Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, is inviting contributions for the scientific programme. The deadline for submitting abstracts is 13 August. More information on the Pittcon website.
 

Breath testing for drugs with LC-MS/MS

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Olof Beck Photo: Ulf SirbornA new study from the Swedish medical university Karolinska Institutet presents a technique using LC-MS/MS that makes drug testing possible through exhaled air for the first time. By examining people who had received emergency care for an amphetamine overdose, the researchers found that in all cases there were traces of amphetamine and metamphetamine in the exhaled breath.

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Raman microscopy distinguishes fertile and infertile human sperm cells

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Scientists from Ruhr-Universität Bochum have used Raman micro-spectroscopy to distinguish, within seconds, healthy fertile and infertile sperm cells. The method has the potential for a novel fertility technology and a test scheme which does not only rely on morphological characteristics, but also utilises chemical signatures.

Read more: Raman microscopy distinguishes fertile and infertile human sperm cells

   

MS method could stop shark oil being used in cosmetics and vaccines

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SharkCoupling an isotope ratio mass spectrometer to an elemental analyser or gas chromatograph/combustion system has been used to analyse squalene and squalane, oils often used in the production of cosmetics and vaccines, and can show whether they came originally from the liver oil of deepwater sharks or from olive oil.

Read more: MS method could stop shark oil being used in cosmetics and vaccines

   

Synchrotron imaging of single starch granules

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David Wetzel and Yong-Cheng Shi of Kansas State University, USA, and John Reffner from John Jay College, City University of New York, USA have applied microscopic chemical imaging to single modified starch granules. Starch manufacturers can use this to determine if the modifying agent used in the production process is uniformly distributed across individual modified starch granules. Mark Boatwright, a K-State graduate research assistant in grain science and industry assisted with data processing for the study.

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XAS station on Diamond light source

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The first researchers have arrived on the latest experimental station to become operational at the Diamond Light Source, the UK’s national synchrotron facility. The new experimental station (B18) offers X-ray Absorption Spectroscopy (XAS).

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MS shows aspirin target COX-2 lipids have anti-oxidant properties

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Lipids produced by the aspirin target COX-2 have anti-oxidant and anti-inflammatory properties as presented in a study published online this week in Nature Chemical Biology (doi: 10.1038/nchembio.367).

Read more: MS shows aspirin target COX-2 lipids have anti-oxidant properties

   

Locating metal complexes within living cells with Raman microscopy

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The location of metal complexes within living cancer cells has been accurately determined using Raman microscopy. The researchers have thus gained new insights into the mechanism of action of metal-containing drugs, to which they ascribe great potential capacities, e.g. in the treatment of cancer. These findings are of fundamental significance and are thus featured as a VIP (very important paper) in the current edition of Angewandte Chemie.

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European Magnetic Resonance Awards 2010

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The recipients of the 2010 European Magnetic Resonance Awards are John R. Griffiths (Basic Sciences) for his contributions to the applications of magnetic resonance spectroscopy in oncology, and Stefan Neubauer (Medical Sciences) for his contributions to anatomical and functional cardiovascular magnetic resonance imaging and spectroscopy.

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Herschel-HIFI unveils precursors of life-enabling molecules in Orion Nebula

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Herschel-HIFI-Spectrum-sESA’s Herschel Space Observatory has revealed the chemical fingerprints of potential life-enabling organic molecules in the Orion Nebula, a nearby stellar nursery in our Milky Way galaxy. This detailed spectrum, obtained with the Heterodyne Instrument for the Far Infrared (HIFI) demonstrates the gold mine of information that Herschel-HIFI will provide on how organic molecules form in space.

Read more: Herschel-HIFI unveils precursors of life-enabling molecules in Orion Nebula

   

Neutron spectroscopy techniques unveil the motion of molecules in cell membranes

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UCB-cell-membranes-sResearchers Sebastian Busch, Christoph Smuda, Luis Carlos Pardo and Tobias Unruh from the Universitat Politècnica de Catalunya (UPC) have discovered, using neutron spectroscopy techniques, that the molecules of a cell membrane do not move at random as previously believed, but rather in a flowing motion as suggested by various computer simulations.

Read more: Neutron spectroscopy techniques unveil the motion of molecules in cell membranes

   

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