It concludes that TB is the most important infectious disease in China. Millions of people from Asia, South America and Africa are carriers of latent TB infections.
The threat of TB outbreaks even in Europe and America costs countries 100s of millions of Euros to control every year. Yet the immediate, solvable challenge in TB is simply to diagnose the disease quickly and simply with robust, fully-tested kits.
The majority of TB patients are still diagnosed using the tools of the Victorian era - Tuberculin skin tests, sputum smears and a microscope. But the Tuberculin test is unspecific and the smear microscopy insensitive, and in rural areas in developing countries even a microscope is not always available.
Cheap, simple but more accurate techniques are needed, that can be used in primary health care settings in the developing world.TB diagnostics development needs serious investment, and ‘useless’ tests already on the market need independent testing and effective regulation. Both are direct challenges to policy-makers
Jens Degett | alfa
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
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Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
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