Andreas Goralczyk, Dr. rer. net.

Group Leader "Rheology"

Albert-Ludwigs University of Freiburg
Laboratory of Process Technology | NeptunLab
Department of Microsystems Engineering (IMTEK)

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Curriculum Vitae

Professional experience

  • since 10/2023: Group Leader "Rheology" at the NeptunLab
  • 2019-2023: PhD thesis (Dr. rer. nat., magna cum laude), Fabrication and Application of Repellent Bulk-porous Fluoropolymer
    Materials, Prof. Bastian E. Rapp, NeptunLab, Technical Faculty- University of Freiburg
  • 2016-2018: Master´s study (M. Sc.) business chemistry at Heinrich-Heine University in Düsseldorf
  • 2012-2016: Bachelor´s study (B. Sc.) business chemistry at Heinrich-Heine University in Düsseldorf


Journal Papers

N. Nekoonam, G. Vera, A. Goralczyk, F. Mayoussi, P. Zhu, D. Böcherer, A. Shakeel, and D. Helmer*, Controllable Wetting Transitions on Photoswitchable Physical Gels, ACS Appl. Mater. Interfaces, 2023,15, 27234-27242 | Link

S. Bhagwat, A. Goralczyk, M. Luitz, L. Sharieff, S. Kluck, A. Hamza, N. Nekoonam, F. Kotz-Helmer, P. Pezeshkpour, and B. E. Rapp, In Situ Actuators with Gallium Liquid Metal Alloys and Polypyrrole-Coated Electrodes, ACS Appl. Mater. Interfaces, 2023, 15, 7, 10109-10122 | Link


F. Mayoussi, A. Usama, K. Karimi, N. Nekoonam, A. Goralczyk, P. Zhu, D. Helmer, B. E. Rapp, Superrepellent Porous Polymer Surfaces by Replication from Wrinkled Polydimethylsiloxane/Parylene F, Materials, 2022, 15(22), 7903 | Link

A. Goralczyk, S. Savicheva, R. Montazeri, S. Fine , F. Mayoussi, P. Zhu,, K. Steffen, F. Kotz-Helmer, D. Helmer, B. E. Rapp, Spray-Coating of Superhydrophobic Coatings for Advanced Applications, Adv. Eng. Mater, 2022, 2201314 | Link

F. Mayoussi, Y. Chen, D. Mössner, S. Franco Corredor, A. Goralczyk, M. Mader, A. Warmbold, F. Kotz-Helmer, D. Helmer ,B. E. Rapp, Smooth Transparent Omniphobic Coatings with Remarkable Liquid Repellence, Adv. Mater. Interfaces, 2022, 2201080| Link

P. Pezeshkpour, K. Sachsenheimer, A. Goralczyk, F. Mayoussi, M. Mader, F. Kotz-Helmer, D. Helmer, B. E. Rapp, A Real-Time Capacitive Sensor to Detect the Stability of Salvinia Layers on Porous Superhydrophobic Polymers Under Shear, Adv. Mater. Technol., 2022, 2200287 | Link

A. Goralczyk, S. Bhagwat, F. Mayoussi, N. Nekoonam, K. Sachsenheimer, P. Hou, F. Kotz-Helmer, D. Helmer, B. E. Rapp, Application of Micro/Nanoporous Fluoropolymers with Reduced Bioadhesion in Digital Microfluidics, Nanomaterials, 2022, 12(13), 2201 | Link

A. Goralczyk, F. Mayoussi,  M. Sanjaya, S. Franco Corredor, S. Bhagwat, Q. Song, S. Schwenteck, A. Warmbold, P. Pezeshkpour, B. E. Rapp, On-Chip Chemical Synthesis Using One-Step 3D Printed Polyperfluoropolyether, Chem Ing Tech (Weinh), 2022, 94, No. 7, 1–9 | Link

S. Franco Corredor, F. Mayoussi, M. Luitz, A. Kick, A. Goralczyk, D. Böcherer, G. Vera, D. Helmer, F. Kotz-Helmer, B. E. Rapp, A Polystyrene Photoresin for Direct Lithography of Microfluidic Chips. Adv. Mater. Technol. 2022, 2200084 | Link

A. Goralczyk, M. Zhu, F. Mayoussi, M. Lallemang, M. Tschaikowsky, A. Warmbold, S. Caliaro, F. Tauber, B. N. Balzer, F. Kotz-Helmer, D. Helmer, B. E. Rapp, Study of repellence on polymeric surfaces with two individually adjustable pore hierarchies. Chem. Eng. J. 2022, 437, 135287 | Link

F. Mayoussi, E. H. Doeven, A. Kick, A. Goralczyk, Y. Thomann, P. Risch, R. M. Guijt, F. Kotz, D. Helmer, B. E. Rapp: "Facile fabrication of micro-/nanostructured, superhydrophobic membranes with adjustable porosity by 3D printing", Journal of Materials Chemistry A, 2021 | Link

Luitz, M., Lunzer, M., Goralczyk, A., Mader, M., Bhagwat, S., Warmbold, A., Helmer, D., Kotz, F., Rapp, B. E., High Resolution Patterning of an Organic–Inorganic Photoresin for the Fabrication of Platinum Microstructures. Adv. Mater. 2021, 33, 2101992 | Link


Books and Book chapters

Conference Contributions

K. Sachsenheimer, F. Mayoussi, A. Goralczyk, F. Kotz, D. Helmer and B. E. Rapp , Impedimetric Sensor for Salvinia Layer Detection on Fluoropor-coated Electrodes under Shear Stress, SPIE BiOS, 2021, Link

Andreas Goralczyk, Kai Sachsenheimer, Frederik Kotz, Dorothea Helmer, Bastian E. Rapp: “Electrowetting-induced μ-droplet actuation using Fluoropor in digital microfluidics (DMF)”, talk, SPIE Photonics West, San Francisco, USA, 2021

Kai Sachsenheimer, Fadoua Mayoussi, Andreas Goralczyk, Frederik Kotz, Dorothea Helmer, Pegah Pezeshkpour, Bastian E. Rapp: “Impedimetric sensor for Salvinia layer detection on Fluoropor-coated electrodes under shear stress”, talk, SPIE Photonics West, San Francisco, USA, 2021