A two-step sandwich assay, which can be both mechanically and optically detected, identifies cancer biomarkers in serum with high sensitivity and selectivity.
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Longo, G. Detected twice for good measure. Nature Nanotech 9, 959–960 (2014). https://doi.org/10.1038/nnano.2014.289
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DOI: https://doi.org/10.1038/nnano.2014.289
