April 16, 2009
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Monitoring & Testing Newsletter April 16, 2009 |
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| This Week´s Featured News Stories |
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Satnav reflection technology for remote sensing of the Earth
A rain of navigation signals falls constantly upon the Earth from GPS and the initial satellites in Europe`s Galileo system, enabling an ever-increasing number of positioning and guidance services. Afterwards these microwave beams bounce back to space – where a proposed ESA mission aims to harness them as a scientific resource and explore their potential for terrestrial remote sensing applications. Intercepting reflected satnav signals and calculating their travel time is a way to track the changing contours of the Earth`s ocean, land and ice surfaces. And because this detector technology – known ... |
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Fitting pieces for biosensors
Research and industry are increasingly exploiting the potential of aptamers. As well as their application in research, medical diagnosis and treatment, aptamers are also interesting as a basis for biosensors for use in environmental analysis because their characteristics enable them to identify and bind target molecules as surely as a key fits a lock. In a new book, researchers at the Helmholtz Centre for Environmental Research (UFZ) describe the methods used to obtain aptamers. A newly-approved project aims to develop new nanostructured biosensors to measure harmful substances in water. The ... |
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