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Switching the Stiffness of Polyelectrolyte Assembly by Light to Control Behavior of Supported Cells

MPS-Authors
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Ulasevich,  Sviatlana A.
Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Brezhneva,  Nadzeya
Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Zhukova,  Yulia
Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Möhwald,  Helmuth
Grenzflächen, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Fratzl,  Peter
Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Skorb,  Ekaterina. V.
Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Ulasevich, S. A., Brezhneva, N., Zhukova, Y., Möhwald, H., Fratzl, P., Schacher, F. H., et al. (2016). Switching the Stiffness of Polyelectrolyte Assembly by Light to Control Behavior of Supported Cells. Macromolecular Bioscience, 16(10): p. 1409 (cover), pp. 1422-1431. doi:10.1002/mabi.201600127.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-E5C2-0
Abstract
Polyelectrolyte block copolymer micelles assembled thin film is switched in response to local photocatalytic reactions on titanium dioxide, resulting in a layer of variable height, stiffness in response to visible light irradiation. Preosteoblasts migrate toward stiffer side of the substrates.
Front Cover: There are great prospects of conversion of energy of electromagnetic irradiation into pH gradients enabling also spatial regulation by localization of the irradiation spot onto a semiconductor titania surface to guide cells on a surface that promises many applications in biosciences, fundamental cell biology and microfluidics. Further details can be found in the article by Sviatlana A. Ulasevich, Nadzeya Brezhneva, Yulia Zhukova, Helmuth Möhwald, Peter Fratzl, Felix H. Schacher, Dmitry V. Sviridov, Daria V. Andreeva, Ekaterina V. Skorb on page 1422.