Felix Sieber-Schäfer

Felix Sieber-Schäfer (Postdoc)

felsiph@cup.

Since February 2026 Postdoc, Merkel Lab, LMU Munich
Feb 2023 - Jan 2026 PhD Student, Merkel Lab, LMU Munich
2023 Board License as Pharmacist
2022 Pharmacy Resident, Merkel Lab, LMU Munich
2022 Pharmacy Resident, Retail Pharmacy
2021 Student Assistant, Merkel Lab, LMU Munich
2017 - 2021 Pharmacy School, Ludwig-Maximilians-Universität München, Germany
2013-2016 Health Sciences (B.Sc), TU Munich

Publications:

Min Jiang, Felix Sieber-Schäfer, Simone P Carneiro, Dana Matzek, Anny Nguyen, Diana Leidy Porras-Gonzalez, Arun Kumar Verma, Miriam Kolog-Gulko, David C Jürgens, Gerald Burgstaller, Bastian Popper, Xun Sun, Olivia M Merkel*:  A hybrid polymeric system for pulmonary mRNA delivery: Advancing mucosal vaccine development.
Cell Biomaterials. 2026; 100311. DOI: 10.1016/j.celbio.2025.100311 

Sieber-Schäfer F, Binder J, Münchrath T, Steinegger KM, Jiang M, Winkeljann B, Friess W, Merkel, O.M.*: From Bits to Bonds: High-Throughput Virtual Screening of Ribonucleic Acid Nanocarriers Using a Combinatorial Approach of Machine Learning and Molecular Dynamics. 
J Am Chem Soc. 2025; 147(49):44903-44915. doi: 10.1021/jacs.5c12694.

F. Sieber-Schäfer, M. Jiang, A. Kromer, A. Nguyen, M. Molbay, S. Pinto Carneiro, D. Jürgens, G. Burgstaller, B. Popper, B. Winkeljann, O. M. Merkel, Machine Learning-Enabled Polymer Discovery for Enhanced Pulmonary siRNA Delivery. Adv. Funct. Mater. 2025, e02805.

Katharina M Steinegger, Lars Allmendinger, Sebastian Sturm, Felix Sieber-Schäfer, Adrian PE Kromer, Knut Müller-Caspary, Benjamin Winkeljann, Olivia M Merkel*: Molecular Dynamics Simulations Elucidate the Molecular Organization of Poly(beta-amino ester) Based Polyplexes for siRNA Delivery
Nano Letters 2024: doi: 10.1021/acs.nanolett.4c04291

Kromer APE, Sieber-Schäfer F, Farfan Benito J, Merkel OM*: Design of Experiments Grants Mechanistic Insights into the Synthesis of Spermine-Containing PBAE Copolymers
ACS Applied Materials and Interfaces 2024, ahead of print, https://doi.org/10.1021/acsami.4c06079