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rssJournal Highlight: Determination of the anti-viral drug Ribavirin in dosage forms via micelle-enhanced spectrofluorimetric method
Date: May 7, 2013
Author: spectroscopyNOW
A simple and sensitive spectrofluorimetric method was developed for the determination of Ribavirin in pharmaceutical formulations, based on its fluorescence spectral behaviour in a sodium dodecyl sulfate micellar system.
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Journal Highlight: Mass spectrometry imaging under ambient conditions
Date: May 7, 2013
Author: spectroscopyNOW
Recent developments and applications of ambient ionization techniques for mass spectrometry imaging have been reviewed and the role of bioinformatics in acquiring and interpreting the chemical and spatial information is described.
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Pork processing: Proteins influencing water holding capacity and drip loss
Date: May 1, 2013
Author: Steve Down
The proteome of fresh pork meat has been examined to locate proteins that are involved in the abnormal loss of water and soluble proteins due to limited water holding capacity, which impacts on meat quality.
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Cocaine on currency: Higher levels associated with criminality
Date: May 1, 2013
Author: Steve Down
US scientists have analysed 17 years worth of data on the contamination of currency with cocaine to determine the levels which are statistically higher than background, so that banknotes contaminated by drug-related crime rather than general contamination during circulation can be identified.
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Combined forces: AFM boosts IR
Date: May 1, 2013
Author: David Bradley
A technique that combines atomic force microscopy (AFM) with infrared spectroscopy has allowed researchers, for the first time, to study the infrared absorption of semiconductor plasmonic microparticles on the nanometre scale.
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DNA markers and disease: NMR and MS clues
Date: May 1, 2013
Author: David Bradley
Researchers have used NMR spectroscopy and mass spectrometry to help them understand the chemistry associated with modifications to DNA that are associated with autoimmune disease and cancer. The work offers new clues to the behaviour of modified bases and could open up avenues to new therapeutic agents.
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TNT, meet graphene: Explosive sensor
Date: May 1, 2013
Author: David Bradley
Another chemical pie in which graphene has its lacy carbon fingers is in the form of a sensitive and selective detection system for the common explosive trinitrotoluene (TNT). Silver nanoparticles functionalised with p-aminothiophenol (PATP) and supported on graphene sheets allow the straightforward surface-ehanced Raman spectroscopic SERS) detection of the explosive.
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Psychopathic wiring: Disturbed differences
Date: May 1, 2013
Author: David Bradley
Psychopathy is characterised as a personality disorder in which the afflicted lacks empathy for other people, feels no remorse for their actions regardless of whether they cause harm and in extreme cases leads to criminality. Now, functional magnetic resonance imaging (fMRI) has been used to reveal that the "circuitry" in the brains of criminal psychopaths is different from that in others.
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Crystallography without the crystals: Porous for support
Date: May 1, 2013
Author: David Bradley
Makoto Fujita of the University of Tokyo, Japan, and Kari Rissanen of the University of Jyväskylä, Finland, have used a porous substrate to bring order to an uncrystallisable target molecule for X-ray diffraction studies, which precludes the need to develop a method for producing crystals of the material. The technique allows nanogram quantities of the target compound to be analysed, the researchers say.
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Sweet red wine: Ultraviolet exposure
Date: May 1, 2013
Author: David Bradley
UV-Vis spectroscopy has been used for the first time to study phenolics and other compounds present in a type of sweet, red wine emerging from the North West of Spain. The approach could be used to study the components of other beverages too as well as offering quality analysis (QA) data on produce.
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