Institutionen der Universität Bayreuth
Lehrstuhl Experimentalphysik V - Univ.-Prof. Dr. Oliver Bäumchen

Catalán, Rodrigo E. ; Fragkopoulos, Alexandros ; Girot, Antoine ; Lorenz, Maike ; Bäumchen, Oliver:
Preparation, maintenance and propagation of synchronous cultures of photoactive Chlamydomonas cells.
In: Nature Protocols. (März 2025) .
DOI: https://doi.org/10.1038/s41596-024-01135-3
DOI: https://doi.org/10.1038/s41596-024-01135-3

Fragkopoulos, Alexandros ; Böhme, Florian ; Drewes, Nicole ; Bäumchen, Oliver:
Metabolic activity controls the emergence of coherent flows in microbial suspensions.
In: Proceedings of the National Academy of Sciences of the United States of America. Bd. 122 (2025) Heft 4 . - e2413340122.
DOI: https://doi.org/10.1073/pnas.2413340122
DOI: https://doi.org/10.1073/pnas.2413340122

Lakkis, Ali ; Biersack, Matthias ; Bilous, Oksana ; Kantorovich, Sofia ; Richter, Reinhard:
Controlling the coarsening dynamics of ferrogranulate networks by means of the filling fraction : Less is more susceptible.
In: Journal of Magnetism and Magnetic Materials. Bd. 589 (2024) . - 171620.
DOI: https://doi.org/10.1016/j.jmmm.2023.171620
DOI: https://doi.org/10.1016/j.jmmm.2023.171620

Bilous, Oksana ; Okrugin, Kirill A. ; Lakkis, Ali ; Biersack, Matthias ; Richter, Reinhard ; Kantorovich, Sofia:
In silico study of area fraction effects on the behaviour of a ferrogranulate layer in an orthogonal applied field.
In: Journal of Magnetism and Magnetic Materials. Bd. 589 (2024) . - 171627.
DOI: https://doi.org/10.1016/j.jmmm.2023.171627
DOI: https://doi.org/10.1016/j.jmmm.2023.171627

Kurjahn, Maximilian ; Deka, Antaran ; Girot, Antoine ; Abbaspour, Leila ; Klumpp, Stefan ; Lorenz, Maike ; Bäumchen, Oliver ; Karpitschka, Stefan:
Quantifying gliding forces of filamentous cyanobacteria by self-buckling.
In: eLife. Bd. 12 (2024) . - RP87450.
DOI: https://doi.org/10.7554/eLife.87450.3
DOI: https://doi.org/10.7554/eLife.87450.3

Catalán, Rodrigo E. ; Fragkopoulos, Alexandros ; von Trott, Nicolas ; Kelterborn, Simon ; Baidukova, Olga ; Hegemann, Peter ; Bäumchen, Oliver:
Light-regulated adsorption and desorption of Chlamydomonas cells at surfaces.
In: Soft Matter. Bd. 19 (2023) . - S. 306-314.
DOI: https://doi.org/10.1039/D2SM01039A
DOI: https://doi.org/10.1039/D2SM01039A

Biersack, Matthias ; Lakkis, Ali ; Richter, Reinhard ; Bilous, Oksana ; Sánchez, Pedro A. ; Kantorovich, Sofia S.:
Controlling the coarsening dynamics of ferrogranular networks by means of a vertical magnetic field.
In: Physical Review E. Bd. 108 (2023) Heft 5 . - 054905.
DOI: https://doi.org/10.1103/PhysRevE.108.054905
DOI: https://doi.org/10.1103/PhysRevE.108.054905

Mickoleit, Frank ; Jörke, Cornelia ; Richter, Reinhard ; Rosenfeldt, Sabine ; Markert, Simon ; Rehberg, Ingo ; Schenk, Anna ; Bäumchen, Oliver ; Schüler, Dirk ; Clement, Joachim H.:
Long‐Term Stability, Biocompatibility, and Magnetization of Suspensions of Isolated Bacterial Magnetosomes.
In: Small. Bd. 19 (2023) Heft 19 . - 2206244.
DOI: https://doi.org/10.1002/smll.202206244
DOI: https://doi.org/10.1002/smll.202206244

Till, Sebastian ; Ebmeier, Florian ; Fragkopoulos, Alexandros ; Mazza, Marco G. ; Bäumchen, Oliver:
Motility and self-organization of gliding Chlamydomonas populations.
In: Physical Review Research. Bd. 4 (2022) Heft 4 . - L042046.
DOI: https://doi.org/10.1103/PhysRevResearch.4.L042046
DOI: https://doi.org/10.1103/PhysRevResearch.4.L042046

Cammann, Jan ; Schwarzendahl, Fabian Jan ; Ostapenko, Tanya ; Lavrentovich, Danylo ; Bäumchen, Oliver ; Mazza, Marco G.:
Emergent probability fluxes in confined microbial navigation.
In: Proceedings of the National Academy of Sciences of the United States of America. Bd. 118 (2021) Heft 39 . - e2024752118.
DOI: https://doi.org/10.1073/pnas.2024752118
DOI: https://doi.org/10.1073/pnas.2024752118

Hemmerle, Arnaud ; Yamaguchi, Yuta ; Makowski, Marcin ; Bäumchen, Oliver ; Goehring, Lucas:
Measuring and upscaling micromechanical interactions in a cohesive granular material.
In: Soft Matter. Bd. 17 (2021) Heft 23 . - S. 5806-5814.
DOI: https://doi.org/10.1039/D1SM00458A.
DOI: https://doi.org/10.1039/D1SM00458A.

Fragkopoulos, Alexandros ; Vachier, Jérémy ; Frey, Johannes ; Le Menn, Flora-Maud ; Mazza, Marco G. ; Wilczek, Michael ; Zwicker, David ; Bäumchen, Oliver:
Self-generated oxygen gradients control collective aggregation of photosynthetic microbes.
In: Interface : Journal of the Royal Society. Bd. 18 (2021) Heft 185 . - 20210553.
DOI: https://doi.org/10.1098/rsif.2021.0553
DOI: https://doi.org/10.1098/rsif.2021.0553

Yandrapalli, Naresh ; Petit, Julien ; Bäumchen, Oliver ; Robinson, Tom:
Surfactant-free production of biomimetic giant unilamellar vesicles using PDMS-based microfluidics.
In: Communications Chemistry. Bd. 4 (2021) . - 100.
DOI: https://doi.org/10.1038/s42004-021-00530-1
DOI: https://doi.org/10.1038/s42004-021-00530-1

Xu, Nannan ; Oltmanns, Anne ; Zhao, Longsheng ; Girot, Antoine ; Karimi, Marzieh ; Hoepfner, Lara ; Kelterborn, Simon ; Scholz, Martin ; Beißel, Julia ; Hegemann, Peter ; Bäumchen, Oliver ; Liu, Lu-Ning ; Huang, Kaiyao ; Hippler, Michael:
Altered N-glycan composition impacts flagella-mediated adhesion in Chlamydomonas reinhardtii.
In: eLife. Bd. 9 (2020) . - e58805.
DOI: https://doi.org/10.7554/eLife.58805
DOI: https://doi.org/10.7554/eLife.58805

Böddeker, Thomas ; Karpitschka, Stefan ; Kreis, Christian ; Magdelaine, Quentin ; Bäumchen, Oliver:
Dynamic force measurements on swimming Chlamydomonas cells using micropipette force sensors.
In: Interface : Journal of the Royal Society. Bd. 17 (2020) Heft 162 . - 20190580.
DOI: https://doi.org/10.1098/rsif.2019.0580
DOI: https://doi.org/10.1098/rsif.2019.0580

Kreis, Christian Titus ; Grangier, Alice ; Bäumchen, Oliver:
In vivo adhesion force measurements of Chlamydomonas on model substrates.
In: Soft Matter. Bd. 15 (2019) Heft 14 . - S. 3027-3035.
DOI: https://doi.org/10.1039/C8SM02236D
DOI: https://doi.org/10.1039/C8SM02236D

Backholm, Matilda ; Bäumchen, Oliver:
Micropipette force sensors for in vivo force measurements on single cells and multicellular microorganisms.
In: Nature Protocols. Bd. 14 (2019) . - S. 594-615.
DOI: https://doi.org/10.1038/s41596-018-0110-x
DOI: https://doi.org/10.1038/s41596-018-0110-x

Kreis, Christian Titus ; Le Blay, Marine ; Linne, Christine ; Makowski, Marcin ; Bäumchen, Oliver:
Adhesion of Chlamydomonas microalgae to surfaces is switchable by light.
In: Nature Physics. Bd. 14 (2018) Heft 1 . - S. 45-49.
DOI: https://doi.org/10.1038/NPHYS4258
DOI: https://doi.org/10.1038/NPHYS4258

Kamprad, Nadine ; Witt, Hannes ; Schröder, Marcel ; Kreis, Christian Titus ; Bäumchen, Oliver ; Janshoff, Andreas ; Tarantola, Marco:
Adhesion strategies of Dictyostelium discoideum : a force spectroscopy study.
In: Nanoscale. Bd. 10 (2018) Heft 47 . - S. 22504-22519.
DOI: https://doi.org/10.1039/C8NR07107A
DOI: https://doi.org/10.1039/C8NR07107A

Ilton, Mark ; Salez, Thomas ; Fowler, Paul D. ; Rivetti, Marco ; Aly, Mohammed ; Benzaquen, Michael ; McGraw, Joshua D. ; Raphaël, Eli ; Dalnoki-Veress, Kari ; Bäumchen, Oliver:
Adsorption-induced slip inhibition for polymer melts on ideal substrates.
In: Nature Communications. Bd. 9 (2018) . - 1172.
DOI: https://doi.org/10.1038/s41467-018-03610-4
DOI: https://doi.org/10.1038/s41467-018-03610-4

Ostapenko, Tanya ; Schwarzendahl, Fabian Jan ; Böddeker, Thomas J. ; Kreis, Christian Titus ; Cammann, Jan ; Mazza, Marco G. ; Bäumchen, Oliver:
Curvature-guided motility of microalgae in geometric confinement.
In: Physical Review Letters. Bd. 120 (2018) Heft 6 . - 068002.
DOI: https://doi.org/10.1103/PhysRevLett.120.068002
DOI: https://doi.org/10.1103/PhysRevLett.120.068002

Petit, Julien ; Thomi, Laura ; Schultze, Jennifer ; Makowski, Marcin ; Negwer, Inka ; Koynov, Kaloian ; Herminghaus, Stephan ; Wurm, Frederik R ; Bäumchen, Oliver ; Landfester, Katharina:
A modular approach for multifunctional polymersomes with controlled adhesive properties.
In: Soft Matter. Bd. 14 (2018) Heft 6 . - S. 894-900.
DOI: https://doi.org/10.1039/C7SM01885A
DOI: https://doi.org/10.1039/C7SM01885A

Rivetti, Marco ; Bertin, Vincent ; Salez, Thomas ; Hui, Chung-Yuen ; Linne, Christine ; Arutkin, Maxence ; Wu, Haibin ; Raphaël, Elie ; Bäumchen, Oliver:
Elastocapillary levelling of thin viscous films on soft substrates.
In: Physical Review Fluids. Bd. 2 (2017) Heft 9 . - 094001.
DOI: https://doi.org/10.1103/PhysRevFluids.2.094001
DOI: https://doi.org/10.1103/PhysRevFluids.2.094001

Lessel, Matthias ; McGraw, Joshua D. ; Bäumchen, Oliver ; Jacobs, Karin:
Nucleated dewetting in supported ultra-thin liquid films with hydrodynamic slip.
In: Soft Matter. Bd. 13 (2017) Heft 27 . - S. 4756-4760.
DOI: https://doi.org/10.1039/C7SM00869D
DOI: https://doi.org/10.1039/C7SM00869D

Andreotti, Bruno ; Bäumchen, Oliver ; Boulogne, Francois ; Daniels, Karen E. ; Dufresne, Eric R. ; Perrin, Hugo ; Salez, Thomas ; Snoeijer, Jacco H. ; Style, Robert W.:
Solid capillarity : when and how does surface tension deform soft solids?
In: Soft Matter. Bd. 12 (2016) Heft 12 . - S. 2993-2996.
DOI: https://doi.org/10.1039/C5SM03140K
DOI: https://doi.org/10.1039/C5SM03140K

Petit, Julien ; Polenz, Ingmar ; Baret, Jean-Christophe ; Herminghaus, Stephan ; Bäumchen, Oliver:
Vesicles-on-a-chip: A universal microfluidic platform for the assembly of liposomes and polymersomes.
In: The European Physical Journal E. Bd. 39 (2016) Heft 6 . - 59.
DOI: https://doi.org/10.1140/epje/i2016-16059-8
DOI: https://doi.org/10.1140/epje/i2016-16059-8

Haefner, Sabrina ; Bäumchen, Oliver ; Jacobs, Karin:
Capillary droplet propulsion on a fibre.
In: Soft Matter. Bd. 11 (2015) Heft 35 . - S. 6921-6926.
DOI: https://doi.org/10.1039/C5SM01228G
DOI: https://doi.org/10.1039/C5SM01228G

Haefner, Sabrina ; Benzaquen, Michael ; Bäumchen, Oliver ; Salez, Thomas ; Peters, Robert ; McGraw, Joshua D. ; Jacobs, Karin ; Raphael, Elie ; Dalnoki-Veress, Kari:
Influence of slip on the Plateau-Rayleigh instability on a fibre.
In: Nature Communications. Bd. 6 (2015) . - 7409.
DOI: https://doi.org/10.1038/ncomms8409
DOI: https://doi.org/10.1038/ncomms8409

Ilton, Mark ; Bäumchen, Oliver ; Dalnoki-Veress, Kari:
Onset of Area-Dependent Dissipation in Droplet Spreading.
In: Physical Review Letters. Bd. 115 (2015) Heft 4 . - 046103.
DOI: https://doi.org/10.1103/PhysRevLett.115.046103
DOI: https://doi.org/10.1103/PhysRevLett.115.046103

Lessel, Matthias ; Bäumchen, Oliver ; Klos, Mischa ; Hähl, Hendrik ; Fetzer, Renate ; Paulus, Michael ; Seemann, Ralf ; Jacobs, Karin:
Self-assembled silane monolayers : an efficient step-by-step recipe for high-quality, low energy surfaces.
In: Surface and Interface Analysis. Bd. 47 (2015) Heft 5 . - S. 557-564.
DOI: https://doi.org/10.1002/sia.5729
DOI: https://doi.org/10.1002/sia.5729

Rivetti, Marco ; Salez, Thomas ; Benzaquen, Michael ; Raphaël, Elie ; Bäumchen, Oliver:
Universal contact-line dynamics at the nanoscale.
In: Soft Matter. Bd. 11 (2015) . - S. 9247-9253.
DOI: https://doi.org/10.1039/C5SM01907A
DOI: https://doi.org/10.1039/C5SM01907A

Bäumchen, Oliver ; Hähl, Hendrik ; Loskill, Peter ; Jacobs, Karin:
Vom Photolack zum Gecko : Wie intermolekulare Kräfte Adhäsion, Adsorption und Benetzung beeinflussen.
In: Physik-Journal. Bd. 14 (2015) Heft 1 . - S. 37-43.

Bäumchen, Oliver ; Marquant, Ludovic ; Blossey, Ralf ; Münch, Andreas ; Wagner, Barbara ; Jacobs, Karin:
Influence of slip on the Rayleigh-Plateau rim instability in dewetting viscous films.
In: Physical Review Letters. Bd. 113 (2014) Heft 1 . - 014501.
DOI: https://doi.org/10.1103/PhysRevLett.113.014501
DOI: https://doi.org/10.1103/PhysRevLett.113.014501

McGraw, Joshua D. ; Bäumchen, Oliver ; Klos, Mischa ; Haefner, Sabrina ; Lessel, Matthias ; Backes, Sebastian ; Jacobs, Karin:
Nanofluidics of thin polymer films : Linking the slip boundary condition at solid--liquid interfaces to macroscopic pattern formation and microscopic interfacial properties.
In: Advances in Colloid and Interface Science. Bd. 210 (2014) . - S. 13-20.
DOI: https://doi.org/10.1016/j.cis.2014.03.010
DOI: https://doi.org/10.1016/j.cis.2014.03.010

McGraw, Joshua D. ; Salez, Thomas ; Bäumchen, Oliver ; Raphael, Elie ; Dalnoki-Veress, Kari:
Capillary leveling of stepped films with inhomogeneous molecular mobility.
In: Soft Matter. Bd. 9 (2013) Heft 34 . - S. 8297-8305.
DOI: https://doi.org/10.1039/C3SM50520K
DOI: https://doi.org/10.1039/C3SM50520K

Bäumchen, Oliver ; Benzaquen, Michael ; Salez, Thomas ; McGraw, Joshua D. ; Backholm, Matilda ; Fowler, Paul ; Raphael, Elie ; Dalnoki-Veress, Kari:
Relaxation and intermediate asymptotics of a rectangular trench in a viscous film.
In: Physical Review E. Bd. 88 (2013) Heft 3 . - 035001.
DOI: https://doi.org/10.1103/PhysRevE.88.035001
DOI: https://doi.org/10.1103/PhysRevE.88.035001

Gutfreund, Philipp ; Bäumchen, Oliver ; Fetzer, Renate ; van der Grinten, Dorothee ; Maccarini, Marco ; Jacobs, Karin ; Zabel, Hartmut ; Wolff, Max:
Solid surface structure affects liquid order at the polystyrene--self-assembled-monolayer interface.
In: Physical Review E. Bd. 87 (2013) Heft 1 . - 012306.
DOI: https://doi.org/10.1103/PhysRevE.87.012306
DOI: https://doi.org/10.1103/PhysRevE.87.012306

Salez, Thomas ; McGraw, Joshua D. ; Bäumchen, Oliver ; Dalnoki-Veress, Kari ; Raphael, Elie:
Capillary-driven flow induced by a stepped perturbation atop a viscous film.
In: Physics of Fluids. Bd. 24 (2012) Heft 10 . - 102111.
DOI: https://doi.org/10.1063/1.4763569
DOI: https://doi.org/10.1063/1.4763569

Salez, Thomas ; McGraw, Joshua D. ; Cormier, Sara L. ; Bäumchen, Oliver ; Dalnoki-Veress, Kari ; Raphael, Elie:
Numerical solutions of thin-film equations for polymer flows.
In: The European Physical Journal E. Bd. 35 (2012) Heft 11 . - 114.
DOI: https://doi.org/10.1140/epje/i2012-12114-x
DOI: https://doi.org/10.1140/epje/i2012-12114-x

Bäumchen, Oliver ; McGraw, Joshua D. ; Forrest, James A. ; Dalnoki-Veress, Kari:
Reduced glass transition temperatures in thin polymer films : Surface effect or artifact?
In: Physical Review Letters. Bd. 109 (2012) Heft 5 . - 055701.
DOI: https://doi.org/10.1103/PhysRevLett.109.055701
DOI: https://doi.org/10.1103/PhysRevLett.109.055701

McGraw, Joshua D. ; Salez, Thomas ; Bäumchen, Oliver ; Raphael, Elie ; Dalnoki-Veress, Kari:
Self-similarity and energy dissipation in stepped polymer films.
In: Physical Review Letters. Bd. 109 (2012) Heft 12 . - 128303.
DOI: https://doi.org/10.1103/PhysRevLett.109.128303
DOI: https://doi.org/10.1103/PhysRevLett.109.128303

Bäumchen, Oliver ; Fetzer, Renate ; Klos, Mischa ; Lessel, Matthias ; Marquant, Ludovic ; Hähl, Hendrik ; Jacobs, Karin:
Slippage and nanorheology of thin liquid polymer films.
In: Journal of Physics: Condensed Matter. Bd. 24 (2012) Heft 32 . - 325102.
DOI: https://doi.org/10.1088/0953-8984/24/32/325102
DOI: https://doi.org/10.1088/0953-8984/24/32/325102

Bäumchen, Oliver ; Jacobs, Karin:
Can liquids slide? : Linking stability and dynamics of thin liquid films to microscopic material properties.
In: Soft Matter. Bd. 6 (2010) Heft 24 . - S. 6028-6035.
DOI: https://doi.org/10.1039/c0sm00078g
DOI: https://doi.org/10.1039/c0sm00078g

Bäumchen, Oliver ; Lessel, Matthias ; Fetzer, Renate ; Seemann, Ralf ; Jacobs, Karin:
Sliding fluids : Dewetting experiments reveal the solid/liquid boundary condition.
In: Journal of Physics: Conference Series. Bd. 216 (2010) . - 012002.
DOI: https://doi.org/10.1088/1742-6596/216/1/012002
DOI: https://doi.org/10.1088/1742-6596/216/1/012002

Bäumchen, Oliver ; Jacobs, Karin:
Slip effects in polymer thin films.
In: Journal of Physics: Condensed Matter. Bd. 22 (2010) Heft 23 . - 033102.
DOI: https://doi.org/10.1088/0953-8984/22/3/033102
DOI: https://doi.org/10.1088/0953-8984/22/3/033102

Bäumchen, Oliver ; Fetzer, Renate ; Münch, Andreas ; Wagner, Barbara ; Jacobs, Karin:
Comprehensive analysis of dewetting profiles to quantify hydrodynamic slip.
In: Ellero, Marco (Hrsg.): IUTAM Symposium on Advances in Micro- and Nanofluidics : Proceedings of the IUTAM Symposium on Advances in Micro- and Nanofluidics, Dresden, Germany, September 6-8, 2007. - Berlin : Springer, 2009 . - S. 51-65 . - (IUTAM Bookseries ; 15 )
DOI: https://doi.org/10.1007/978-90-481-2626-2_4

Bäumchen, Oliver ; Fetzer, Renate ; Jacobs, Karin:
Reduced interfacial entanglement density affects the boundary conditions of polymer flow.
In: Physical Review Letters. Bd. 103 (2009) Heft 24 . - 247801.
DOI: https://doi.org/10.1103/PhysRevLett.103.247801
DOI: https://doi.org/10.1103/PhysRevLett.103.247801

Bäumchen, Oliver ; Jacobs, Karin ; Fetzer, Renate:
Probing slippage and flow dynamics of thin dewetting polymer films.
In: Colin, Stéphane ; Société Hydrotechnique de France (Hrsg.): µFLU'08 : Bologna, December 10 - 12, 2008 ; 4e Congrès de Microfluidique de la SHF : Microfluidics 2008 ; Proceedings of 1st Conference on Microfluidics in Bologna 2008. - Paris : SHF, 2008