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Nanoscale Analysis Labs

FiReaNGeL writes "Imagine being able to rapidly identify tiny biological molecules such as DNA and toxins using less than a drop of salt water in a system that can fit on a microchip. It's closer than you might believe: in a paper appearing next week in PNAS, a team of researchers proves for the first time that a single nanometer-scale pore in a thin membrane can be used to accurately detect and sort different-sized polymer chains (a model for biomolecules) that pass through or block the channel. This could lead to rapid detection systems for pathogens and toxic chemicals."

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