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actuation, layer-by-layer assembly, polyelectrolytes, stimuli-responsive materials, TiO2
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.
Abstract:
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.