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.


The catalytic curtsey

A polymer hydrogel system combines chemical, thermal and mechanical responses in a reversible manner and thus exhibits homeostatic and self-regulatory behaviour similar to that of living systems.

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

Relevant articles

Open Access articles citing this article.

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: A schematic diagram outlining the design of the system and the cyclic chemo-mechano-chemical (C1→M→C2) events.


  1. Cohen Stuart, M. A. et al. Nature Mater. 9, 101–113 (2010).

    CAS  Article  Google Scholar 

  2. Varga, I., Szalai, I., Meszaros, R. & Gilanyi, T. J. Phys. Chem. B 110, 20297–20301 (2006).

    CAS  Article  Google Scholar 

  3. Dhanarajan, A. P., Misra, G. P. & Siegel, R. A. J. Phys. Chem. A 106, 8835–8838 (2002).

    CAS  Article  Google Scholar 

  4. Epstein, I. R. & Pojman, J. A. An Introduction to Nonlinear Chemical Dynamics: Oscillations, Waves, Patterns, and Chaos (Oxford Univ. Press, 1998).

    Google Scholar 

  5. Yoshida, R. Colloid Polym. Sci. 289, 475–487 (2011).

    CAS  Article  Google Scholar 

  6. He, X. et al. Nature 487, 214–218 (2012).

    CAS  Article  Google Scholar 

  7. Schild, H. G. Prog. Polym. Sci. 17, 163–249 (1992).

    CAS  Article  Google Scholar 

  8. Guyton, A. C. & Hall, J. E. Human Physiology and Mechanisms of Disease 6th edn (Saunders, 1997).

    Google Scholar 

  9. Hess, H. Annu. Rev. Biomed. Eng. 13, 429–450 (2011).

    CAS  Article  Google Scholar 

  10. Nie, Z. & Kumacheva, E. Nature Mater. 7, 277–290 (2008).

    CAS  Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Eugenia Kumacheva.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Kumacheva, E. The catalytic curtsey. Nature Mater 11, 665–666 (2012).

Download citation

  • Published:

  • Issue Date:

  • DOI:

Further reading


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