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Mass spec finds bute in horsemeat

thumbnail image: Mass spec finds bute in horsemeat

The tests conducted in the UK that uncovered the presence of the veterinary drug phenylbutazone (bute) in horsemeat were carried out by LC/MS/MS.

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Tomato quality assurance

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Several quality parameters of processing tomatoes can be measured by FTIR spectroscopy on a handheld instrument, providing flexible on-site testing.

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SERS swabs and dipsticks from inkjet-printed paper

thumbnail image: SERS swabs and dipsticks from inkjet-printed paper

SERS-active paper swabs and dipsticks have been produced by inkjet printing for the cheap and simple on-site sampling of liquids and surfaces in a variety of settings, including forensics and homeland security.

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Automated protein conformation studies

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An automated system for taking circular dichroism measurements of protein conformation has been developed by European scientists, freeing operator time and accelerating analysis.

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Carbon nanotube mixture characterisation

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Single-walled carbon nanotubes have been detected and measured in mixtures with multiwalled carbon nanotubes using a portable Raman spectrometer.

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Illegal drug chemicals identified by X-rays

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The liquid chemicals used to make illegal drugs like amphetamines and to process heroin and cocaine can be identified by X-ray scattering, say Chinese researchers, providing a non-contact, non-destructive test.

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Tissue scaffold monitoring with UV probe

thumbnail image: Tissue scaffold monitoring with UV probe

The degradation of a chitosan scaffold used in tissue engineering can be monitored in situ and in real time using a fluorescent probe which is attached to chitosan before surgery and monitored afterwards.

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Sexual arousal modifies brain metabolites

thumbnail image: Sexual arousal modifies brain metabolites

The levels of several metabolites in the female brain are altered during sexual stimulation induced by watching erotic video clips, a functional MRI study has revealed.

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Stretching the LIMS

thumbnail image: Stretching the LIMS

An article in the latest issue of The Scientist Magazine provides an overview of how scientists are using the latest laboratory information management systems (LIMS).

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Prebiotic reactions on minerals

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Model prebiotic reactions of formamide on granite have been followed by DESI MS imaging, showing that purine and pyrimidine nucleosides can be detected and that the mineral plays a catalytic role.

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