Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:

Dielectric nanoparticles

Polarizability reveals identity

Improvements in electrostatic force microscopy now make it possible to measure the dielectric constant of isolated low-polarizable nanoparticles and viruses, thus enabling the label-free identification of dielectric nanomaterials of similar morphology.

This is a preview of subscription content, access via your institution

Relevant articles

Open Access articles citing this article.

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Figure 1: Measuring the dielectric properties of small particles.

References

  1. Schutz, C. N. & Warshel, A. Proteins Struct. Funct. Genet. 44, 400–417 (2001).

    Article  CAS  Google Scholar 

  2. Fumagalli, L. et al. Nature Mater. 11, 808–816 (2012).

    Article  CAS  Google Scholar 

  3. Gascoyne, P. R. C. & Vykoukal, J. Electrophoresis 23, 1973–1983 (2002).

    Article  CAS  Google Scholar 

  4. Ermolina, E., Milner, J. & Morgan, H. Electrophoresis 27, 3939–3948 (2006).

    Article  CAS  Google Scholar 

  5. Pethig, R. Biomicrofluidics 4, 022811 (2010).

    Article  Google Scholar 

  6. Giraud, G. et al. Biomicrofluidics 5, 024116 (2011).

    Article  Google Scholar 

  7. Butt, H. J. Biophys. J. 60, 777–785 (1991).

    Article  CAS  Google Scholar 

  8. Hao, H., Baró, A. & Sáenz, J. J. J. Vac. Sci. Technol. B 9, 1323–1328 (1991).

    Article  Google Scholar 

  9. Carrasco, C. et al. Proc. Natl Acad. Sci. USA 103, 13706–13711 (2006).

    Article  CAS  Google Scholar 

  10. Roos, W. H., Bruinsma, R. & Wuite, G. J. L. Nature Phys. 6, 733–743 (2010).

    Article  CAS  Google Scholar 

  11. Hernando-Pérez, M. et al. Small 8, 2366–2370 (2012).

    Article  Google Scholar 

  12. Maex, K. et al. J. Appl. Phys. 93, 8793–8841 (2003).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Juan José Sáenz.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Sahagún, E., Sáenz, J. Polarizability reveals identity. Nature Mater 11, 748–749 (2012). https://doi.org/10.1038/nmat3410

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/nmat3410

This article is cited by

Search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing