The combination of two scanning probe microscopy techniques has led to a label-free method of detecting charged molecules at the nanoscale and offers a general approach to biosensing with improved resolution, sensitivity and speed.
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Kinsella, J., Ivanisevic, A. Taking charge of biomolecules. Nature Nanotech 2, 596–597 (2007). https://doi.org/10.1038/nnano.2007.313
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DOI: https://doi.org/10.1038/nnano.2007.313
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