A Simpler Way to Spy on Rogue Molecules

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Individual proteins play a key role in the development of a host of diseases, including Alzheimer's, Parkinson's, and Huntington's. A number of new imaging techniques can reveal the behavior of single biomolecules, but these approaches are tricky and expensive. Now a new technique, developed at Harvard University, could provide a cheaper and simpler way to measure and track molecules as they move freely through a solution.