Dr. Dorothea Helmer

Publications in livMatS

• Antifouling PEG Coatings by Thiol-Acrylate Conjugate Addition Reactions for Generation of Protein Patterns via Photobleaching-Induced Protein Binding (PiPB) BioBitmaps Using Maskless Projection Lithography*
  Usama, A., Schäfer, E., Zhu, P., Song, Q., Weissbach, A., Helmer, D., Wollschläger, J., You, C., Steinhart, M., Rapp, B. E. (2025). Antifouling PEG Coatings by Thiol-Acrylate Conjugate Addition Reactions for Generation of Protein Patterns via Photobleaching-Induced Protein Binding (PiPB) BioBitmaps Using Maskless Projection Lithography. Advanced Materials Interfaces. doi: https://doi.org/10.1002/admi.202500198
• A Paraffin-Based Photoresin: 3D Printing of Paraffin for Encapsulation-Free Shape-Stabilized Paraffin-Based Phase Change Materials*
  Subhash, S., Song, Q., Kamm, P., Franco, S., Chen, Y., Helmer, D., Pelz, U., Kotz-Helmer, F., Woias, P., Rapp, B. E. (2025). A Paraffin-Based Photoresin: 3D Printing of Paraffin for Encapsulation-Free Shape-Stabilized Paraffin-Based Phase Change Materials. Advanced Materials Technologies. doi: https://doi.org/10.1002/admt.202500617
• 3D printed elastic fluoropolymer with high stretchability and enhanced chemical resistance for microfluidic applications*
  Song, Q., Hamza, A., Li, C., Sedeky, A., Chen, Y., Zhu, M., Goralczyk, A., Mayoussi, F., Hou, P., Piesold, C., Helmer, D., Rapp, B. E., Kotz-Helmer, F. (2024). 3D printed elastic fluoropolymer with high stretchability and enhanced chemical resistance for microfluidic applications. Additive Manufacturing, Volume 81, 103991. https://doi.org/10.1016/j.addma.2024.103991
• Fabrication of Multi-Material Pneumatic Actuators and Microactuators Using Stereolithography*
  Song, Q., Chen, Y., Hou, P., Zhu, P., Helmer, D., Kotz-Helmer, F., & Rapp, B. E. (2023). Fabrication of Multi-Material Pneumatic Actuators and Microactuators Using Stereolithography. Micromachines, 14(2), 244. doi: 10.3390/mi14020244
• Study of repellence on polymeric surfaces with two individually adjustable pore hierarchies*
  Goralczyk, A., Zhu, M., Mayoussi, F., Lallemang, M., Tschaikowsky, M., Warmbold, A., Caliaro, S., Tauber, F., Balzer, B. N., Kotz-Helmer, F., Helmer, D., & Rapp, B. E. (2022). Study of repellence on polymeric surfaces with two individually adjustable pore hierarchies. Chemical Engineering Journal, 437, 135287. doi: 10.1016/j.cej.2022.135287
• Melt-Extrusion-Based Additive Manufacturing of Transparent Fused Silica Glass*
  Mader, M., Hambitzer, L., Schlautmann, P., Jenne, S., Greiner, C., Hirth, F., Helmer, D., Kotz-Helmer, F., & Rapp, B. E. (2021). Melt‐Extrusion‐Based Additive Manufacturing of Transparent Fused Silica Glass. Advanced Science, 2103180. doi: 10.1002/advs.202103180
• High-throughput injection molding of transparent fused silica glass*
  Mader, M., Schlatter, O., Heck, B., Warmbold, A., Dorn, A., Zappe, H., Risch, P., Helmer, D., Kotz, F., Rapp, B. E. (2021). High-throughput injection molding of transparent fused silica glass. Science, 372(6538), 182-186. doi: 10.1126/science.abf1537
• Two‐Photon Polymerization of Nanocomposites for the Fabrication of Transparent Fused Silica Glass Microstructures*
  Kotz, F., Quick, A. S., Risch, P., Martin, T., Hoose, T., Thiel, M., Helmer, D., Rapp, B. E. (2021). Two‐Photon Polymerization of Nanocomposites for the Fabrication of Transparent Fused Silica Glass Microstructures. Advanced Materials. doi: 10.1002/adma.202006341
• Emerging Technologies and Materials for High-Resolution 3D Printing of Microfluidic Chips*
  Kotz, F., Helmer, D., Rapp, B.E. (2020) Emerging Technologies and Materials for High-Resolution 3D Printing of Microfluidic Chips. In: Advances in Biochemical Engineering/Biotechnology. Springer, Berlin, Heidelberg. doi: 10.1007/10_2020_141
• Fused Deposition Modeling of Microfluidic Chips in Polymethylmethacrylate*
  Kotz, F., Mader, M., Dellen, N., Risch, P., Kick, A., Helmer, D., & Rapp, B. E. (2020). Fused deposition modeling of microfluidic chips in polymethylmethacrylate. Micromachines, 11(9), 873. doi: 10.3390/mi11090873
  
  
  * Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy – EXC-2193/1 – 390951807