The latest review of the Government Chemist (GC) presents an account of LGCs analytical, advisory and strategic work for the Department of Trade and Industry (DTI) during 2004. An overview of the years achievements, the review shows significant growth in the role of the GC and the subsequent benefits for government, businesses and consumers.
The review focuses on the GCs three main responsibilities: its statutory referee function to provide evidence to resolve differences arising from analytical measurements made by businesses and regulatory enforcement bodies; its advisory role to government and industry on matters of policy, standards and regulation; and LGCs analytical and technological capabilities required to support the GC function effectively.
Dr John Marriott, Government Chemist and LGC’s Director of Analytical Technology, said: "It has been a busy year for the Government Chemist. As the referee analyst, we experienced a 79% increase in samples received under food and agriculture legislation, associated with the safety, authenticity or labelling of food products. One of the issues investigated concerned the amount of viable bacteria in probiotic food supplements that led to the product being removed from the market to be reformulated. Other challenges included the identification of irradiated food, the determination of mycotoxins in feeds, and the understanding of the variability in the determination of calcium concentration in fortified soya milk. On the advisory side, we have taken a lead on regulatory guidance for UK businesses during industry preparations for the EUs REACH chemical testing scheme."
Wendy Taylor | alfa
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Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
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Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
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For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
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An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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