Methods for trapping tiny particles are increasingly needed, especially for biological assays, but they often involve complicated apparatus. An approach has been discovered that could simplify matters considerably. See Letter p.692
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Eijkel, J., van den Berg, A. Tiny electrostatic traps. Nature 467, 666–667 (2010). https://doi.org/10.1038/467666a
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DOI: https://doi.org/10.1038/467666a
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