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Biosensing

Taking charge of biomolecules

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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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Figure 1: Kelvin probe force microscopy with DNA arrays.

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Authors and Affiliations

  1. Joseph M. Kinsella and Albena Ivanisevic are in the Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA.,

    Joseph M. Kinsella & Albena Ivanisevic

  2. Albena Ivanisevic is the Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA.,

    Albena Ivanisevic

Authors
  1. Joseph M. Kinsella
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  2. Albena Ivanisevic
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Correspondence to Albena Ivanisevic.

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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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