Skip to main content

Thank you for visiting 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.


Wearable pH sensing beyond the Nernst limit

A flexible charge-coupled device can be used to create a sensor capable of measuring the pH of a person’s sweat with high sensitivity.

Access options

Rent or Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Fig. 1: A wearable charge-coupled device for monitoring the pH of sweat.


  1. 1.

    Bariya, M., Nyein, H. Y. Y. & Javey, A. Nat. Electron. 1, 160–171 (2018).

    Article  Google Scholar 

  2. 2.

    Sonner, Z. et al. Biomicrofluidics 9, 031301 (2015).

    Article  Google Scholar 

  3. 3.

    Gao, W. et al. Nature 529, 509–514 (2016).

    Article  Google Scholar 

  4. 4.

    Lee, H. et al. Nat. Nanotech. 11, 566–572 (2016).

    Article  Google Scholar 

  5. 5.

    Koh, A. et al. Sci. Transl. Med. 8, 366ra165 (2016).

    Article  Google Scholar 

  6. 6.

    Wang, J. Analytical Electrochemistry (Wiley, Hoboken, 2006).

    Book  Google Scholar 

  7. 7.

    Nakata, S. et al. Nat. Electron. (2018).

    Article  Google Scholar 

  8. 8.

    Emaminejad, S. et al. Proc. Natl Acad. Sci. USA 114, 4625–4630 (2017).

    Article  Google Scholar 

  9. 9.

    Kim, J. et al. ACS Sens. 1, 1011–1019 (2016).

    Article  Google Scholar 

Download references

Author information



Corresponding author

Correspondence to Wei Gao.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Yang, Y., Gao, W. Wearable pH sensing beyond the Nernst limit. Nat Electron 1, 580–581 (2018).

Download citation


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