Colloid and Polymer Science

, Volume 289, Issue 5–6, pp 523–534 | Cite as

Simulational study of anomalous tracer diffusion in hydrogels

  • Fatemeh Tabatabaei
  • Olaf LenzEmail author
  • Christian Holm
Original Contribution


In this article, we analyze different factors that affect the diffusion behavior of small tracer particles (as they are used, e.g., in fluorescence correlation spectroscopy (FCS)) in the polymer network of a hydrogel and perform simulations of various simplified models. We observe, that under certain circumstances the attraction of a tracer particle to the polymer network strands might cause subdiffusive behavior on intermediate time scales. In theory, this behavior could be employed to examine the network structure and swelling behavior of weakly crosslinked hydrogels with the help of FCS.


Simulation Molecular dynamics Fluorescence correlation spectroscopy Anomalous diffusion Polymer Hydrogel 



We acknowledge the financial support provided by the Deutsche Forschungsgemeinschaft (DFG) as part of the SPP 1259 “Intelligente Hydrogele”.

The authors want to thank Georg Fytas, Alexander Grosberg, Owen Hickey, Felix Höfling, Peter Kos̆ovan, Ralf Metzler, Ricardo Raccis, and Roland Winkler for helpful discussions.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Institut für ComputerphysikUniversität StuttgartStuttgartGermany

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