The signature of the self-interactions that a colloid in solution undergoes has been observed. The observation has implications for single-particle studies of soft matter and biological systems. See Letter p.85
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Keyser, U. Self-aware particles. Nature 478, 45–46 (2011). https://doi.org/10.1038/478045a
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DOI: https://doi.org/10.1038/478045a
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