Simultaneous dual encoding of three-dimensional structures by light-induced modular ligation

Claus, Tanja K., Richter, Benjamin, Hahn, Vincent, Welle, Alexander, Kayser, Sven, Wegener, Martin, Bastmeyer, Martin, Delaittre, Guillaume, & Barner-Kowollik, Christopher (2016) Simultaneous dual encoding of three-dimensional structures by light-induced modular ligation. Angewandte Chemie International Edition, 55(11), pp. 3817-3822.

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A highly efficient strategy for the simultaneous dual surface encoding of 2D and 3D microscaffolds is reported. The combination of an oligo(ethylene glycol)-based network with two novel and readily synthesized monomers with photoreactive side chains yields two new photoresists, which can be used for the fabrication of microstructures (by two-photon polymerization) that exhibit a dual-photoreactive surface. By combining both functional photoresists into one scaffold, a dual functionalization pattern can be obtained by a single irradiation step in the presence of adequate reaction partners based on a self-sorting mechanism. The versatility of the approach is shown by the dual patterning of halogenated and fluorescent markers as well as proteins. Furthermore, we introduce a new ToF–SIMS mode (“delayed extraction”) for the characterization of the obtained microstructures that combines high mass resolution with improved lateral resolution.

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ID Code: 97002
Item Type: Journal Article
Refereed: Yes
Keywords: cycloaddition; direct laser writing; microstructures; patterning; photochemistry
DOI: 10.1002/anie.201509937
ISSN: 1521-3773
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Deposited On: 11 Aug 2016 23:47
Last Modified: 15 Aug 2016 00:27

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