Authors:
Benjamin Richter, Thomas Pauloehrl, Johannes Kaschke, Dagmar Fichtner, Joachim Fischer, Alexandra M. Greiner, Doris Wedlich, Martin Wegener, Guillaume Delaittre, Christopher Barner-Kowollik, and Martin Bastmeyer
Summary:
Spatial control over the surface chemistry of 3D organic–inorganic hybrid microscaffolds is achieved by a two-photon-triggered cycloaddition. Following a coating step with photoactivatable dienes via silanization, surface irradiation with a femtosecond-pulsed laser in the presence of functional dienophiles enables a site-selective alteration of the surface chemistry. Bioconjugation with fluorescent protein tags is employed to reveal the 3D molecular patterns.
Source:
Advanced Materials; Vol. 25, Issue 42, 6117-6122 (11/13/13)