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3D-microfabrication of polymer-protein hybrid structures with a q-switched microlaser

: Engelhardt, S.; Hu, Y.; Seiler, N.; Riester, D.; Meyer, W.; Krüger, H.; Wehner, M.; Bremus-Köbberling, E.; Gillner, A.

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Journal of Laser Micro/Nanoengineering. Online journal 6 (2011), No.1, pp.54-58
ISSN: 1880-0688
Journal Article, Electronic Publication
Fraunhofer ILT ()
Fraunhofer IAP ()

We demonstrate the feasibility of an inexpensive microchip laser source to fabricate 3D-polymer and protein microstructures based on two photon absorption of a commercial available photoinitia-tor. The voxel length was determined by an ascending voxel method and was as small as ¼ of the resolution limit. This technique was used to generate 3D polymer-protein-hybrid microstructures, where the polymer structure serves as a robust backbone for the protein structure.