Switching the Stiffness of Polyelectrolyte Assembly by Light to Control Behavior of Supported Cells.
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.
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany.
Sviatlana A
SA
Ulasevich
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany.
Nadzeya
N
Brezhneva
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany.
Yulia
Y
Zhukova
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany.
Helmuth
H
Möhwald
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany.
Peter
P
Fratzl
Friedrich-Schiller-Universität Jena, Institut für Organische Chemie und Makromolekulare Chemie, Humboldtstr. 10, 07743, Jena, Germany.
Felix H
FH
Schacher
Chemistry Department, Belarusian State University, Leningradskaya str. 14, 220030, Minsk, Belarus.
Dmitry V
DV
Sviridov
Physical Chemistry II, Bayreuth University, Universitätsstr. 30, 95440, Bayreuth, Germany.
Daria V
DV
Andreeva
Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14424, Potsdam, Germany. skorb@mpikg.mpg.de.
Ekaterina V
EV
Skorb
D000818:Animals; D002460:Cell Line; D002465:Cell Movement; D004548:Elasticity; D008567:Membranes, Artificial; D051379:Mice; D008823:Micelles; D010006:Osteoblasts / Q000166:cytology / Q000378:metabolism*; D014025:Titanium / Q000737:chemistry*
D008567:Membranes, Artificial; D008823:Micelles; C009495:titanium dioxide; D014025:Titanium
TiO2; actuation; layer-by-layer assembly; polyelectrolytes; stimuli-responsive materials