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PD Dr. Falko Ziebert


    falko ziebert-klein.jpg   

 

Physikalisches Institut

Fakultät für Mathematik und Physik

Albert-Ludwigs-Universität Freiburg

Hermann-Herder-Str. 3

79104 Freiburg, Germany


Tel.: +49 761 203 97779

Fax: +49 761 203 5855

email: falko.ziebert[at]physik.uni-freiburg.de

 

2002  Dipl. phys., Universität des Saarlandes bei Prof. Walter Zimmermann
2006  Dr. rer. nat., Universität Bayreuth bei Prof. Walter Zimmermann
2006-2007  Postdoc, Argonne National Lab, U.S.A., bei Dr. Igor Aranson
2008-2010  Postdoc, ESPCI, Frankreich, bei Dr. Elie Raphaël und Dr. David Lacoste
2011-2013

 Postdoc, Experimentelle Polymerphysik, Universität Freiburg und

 Gruppe 'Theorie und Simulation der Polymere', Institut Charls Sadron, Frankreich

seit 2014  Eigene Stelle (DFG), Experimentelle Polymerphysik, Universität Freiburg
2014  Habilitation an der Albert-Ludwigs-Universität Freiburg


Team:

  • Benjamin Winkler, M. Sc., Physikalisches Institut, Albert-Ludwigs-Universität Freiburg
  • Kornelius Sücker, B. Sc., Theoretische Physik I, Universität Bayreuth
  • Mirko Ruppert, B. Sc., Theoretische Physik I, Universität Bayreuth

 

Forschungsthemen: Theorie der weichen und/oder biologischen Materie

nichtlineare Physik, Nichtgleichgewichts-Physik, Physik der weichen Materie, zelluläre Biophysik

  • Strukturbildung, Instabilitäten und Hydrodynamik, Flüssigkristalle
  • Zytoskelettdynamik und -struktur: Biofilamente, Motoren, Vernetzer; Selbstorganisation
  • Zellbewegung, Zelladhäsion, kollektive Effekte in Zellen und Bakterien
  • Polymersysteme in eingeschränkten Geometrien, Entnetzung, Adhäsion, Polymergrenzflächen
  • Polymerfilme und biologische Membranen in externen Feldern, elektrostatische und elektrokinetische Effekte
  • unterkühlte und glasige Systeme

 

Veröffentlichungen:

 

38. F. Ziebert, H. Mohrbach and I. M. Kulic, Why Microtubules run in Circles - Mechanical Hysteresis of the Tubulin Lattice, Phys. Rev. Lett. 114, 148101 (2015).

37. J. Löber, F. Ziebert and I. S. Aranson, Collisions of deformable cells lead to collective migration, Sci. Rep. 5, 9172 (2015).

36. J. Helfferich, K. Vollmayr-Lee, F. Ziebert, H. Meyer and J. Baschnagel, Glass formers display universal non-equilibrium dynamics on the level of single-particle jumps, EPL 109, 36004 (2015).

35. I. S. Aranson, J. Löber and F. Ziebert, Phase-field description of substrate-based motility of eukaryotic cells. In A. Mikhailov and G. Ertl, editors: Engineering of Chemical Complexity II, World Scientific Lecture Notes in Complex Systems, Singapore, 2014, pp. 93-104.

34. F. Ziebert and I. S. Aranson, Reply to comment by Baohua Ji, Eur. Phys. J. ST 223, 1407 (2014).

33. F. Ziebert and I. S. Aranson, Comment on Falcke et al., Polymerization, bending, tension: What happens at the leading edge of motile cells?, Eur. Phys. J. ST 223, 1431 (2014).

32. F. Ziebert and I. S. Aranson, Modular approach for modeling cell motility, to appear in Eur. Phys. J. ST 223, 1265 (2014).

31. J. Helfferich, F. Ziebert, S. Frey, H. Meyer, J. Farago, A. Blumen and J. Baschnagel, Continuous-Time Random Walk Approach to supercooled liquids: II. Mean-Square Displacements in polymer melts, Phys. Rev. E 89, 042604 (2014).

30. J. Helfferich, F. Ziebert, S. Frey, H. Meyer, J. Farago, A. Blumen and J. Baschnagel, Continuous-Time Random Walk Approach to supercooled liquids:  I. Different definitions of particle jumps and their consequence, Phys. Rev. E 89, 042603 (2014).

29. J. Löber, F. Ziebert and I. S. Aranson, Modeling crawling cell movement on soft engineered substrates, Soft Matt. 10, 1365 (2014).

28. F. Closa, E. Raphael and F. Ziebert, Electro-hydrodynamic instability of stressed viscoelastic polymer films, Eur. Phys. J. E 36, 124 (2013).

27. F. Ziebert and I. S. Aranson, Effects of adhesion dynamics and substrate compliance on the shape and motility of crawling cells, PLOS ONE 8, e64511 (2013).

26. M. Chowdhury, P. Freyberg, F. Ziebert, A. C.-M. Yang, U. Steiner and G. Reiter, Segmental Relaxations Have Macroscopic Consequences in Glassy Polymer Films, Phys. Rev. Lett. 109, 136102 (2012).

25. F. Closa, F. Ziebert and E. Raphael, Effects of in-plane elastic stress and normal external stress on viscoelastic thin film stability, Math. Model. Nat. Phenom. 7, 6 (2012).

24. F. Ziebert, S. Swaminathan and I. S. Aranson, Model for self-polarization and motility of keratocyte fragments, J. R. Soc. Interface 9 (70), 1084 (2012).

23. F. Ziebert and D. Lacoste, A Planar Lipid Bilayer in an Electric Field: Membrane Instability, Flow Field, and Electrical Impedance. In Ales Iglic, editor: Advances in Planar Lipid Bilayers and Liposomes, Vol. 14, Burlington: Academic Press, 2011, pp. 63-95.

22. S. Ryan, B. M. Haines, L. Berlyand, F. Ziebert and I. S. Aranson, Viscosity of bacte-rial suspensions: Hydrodynamic interactions and self-induced noise, Phys. Rev. E 83, 050904(R) (2011).

21. F. Closa, F. Ziebert and E. Raphael, Interplay of internal stresses, electric stresses and surface diffusion in polymer films, Phys. Rev. E 83, 051603 (2011).

20. S. Swaminathan, F. Ziebert, I. S. Aranson and D. Karpeev, Motor-mediated microtubule self-organization in dilute and semi-dilute filament solutions, Math. Model. Nat. Phenom. 6, 119 (2011).

19. F. Ziebert and D. Lacoste, A Poisson-Boltzmann approach for a lipid membrane in an electric field, New J. Phys. 12, 095002 (2010).

18. S. Swaminathan, F. Ziebert, I. S. Aranson and D. Karpeev, Patterns and intrinsic fluctuations in semi-dilute motor-filament systems, EPL 90, 28001 (2010).

17. F. Ziebert, M. Z. Bazant and D. Lacoste, Effective zero-thickness model for a conductive membrane driven by an electric field, Phys. Rev. E 81, 031912 (2010).

16. T. Vilmin, F. Ziebert and E. Raphael, Simple view on fingering instability of debonding soft elastic adhesives, Langmuir 26, 3257 (2010).

15. F. Ziebert and E. Raphael, Dewetting of thin polymer films: Influence of interface evolution, EPL 86, 46001 (2009).

14. F. Ziebert, M. Vershinin, S. P. Gross and I. S. Aranson, Collective alignment of polar filaments by molecular motors, Eur. Phys. J. E 28, 401 (2009).

13. S. Swaminathan, F. Ziebert, D. Karpeev and I. S. Aranson, Motor-mediated alignment of microtubules in semi-dilute mixtures, Phys. Rev. E 79, 036207 (2009).

12. F. Ziebert and E. Raphael, Dewetting dynamics of stressed viscoelastic thin polymer films, Phys. Rev. E 79, 031605 (2009).

11. V. Rühle, F. Ziebert, R. Peter and W. Zimmermann, Instabilities in a two-dimensional polar filament-motor system, Eur. Phys. J. E 27, 243 (2008).

10. R. Peter, V. Schaller, F. Ziebert and W. Zimmermann, Pattern formation in active cytoskeletal networks, New J. Phys. 10, 035002 (2008).

9. F. Ziebert and I. S. Aranson, Rheological and structural properties of dilute active filament solutions, Phys. Rev. E 77, 011918 (2008).

8. F. Ziebert, I. S. Aranson and L. S. Tsimring, Effects of crosslinks on filament-motor organization, New J. Phys. 9, 421 (2007).

7. D. Smith, F. Ziebert, D. Humphrey, C. Duggan, M. Steinbeck, W. Zimmermann and J. Käs, Molecular motor-induced instabilities and crosslinkers determine biopolymer organization, Biophys. J. 93, 4445 (2007).

6. H. R. Brand, H. Pleiner and F. Ziebert, Macroscopic dynamics of polar nematic liquid crystals, Phys. Rev. E 74, 021713 (2006).

5. F. Ziebert, M. Hammele and W. Zimmermann, On Cytoskeletal Patterns and Intrinsic Disorder Effects, Nonlinear Phenomena in Complex Systems, 9 (2), 198 (2006).

4. F. Ziebert and W. Zimmermann, Nonlinear competition between asters and stripes in filament-motor-systems, Eur. Phys. J. E 18, 41 (2005).

3. R. Peter, M. Hilt, F. Ziebert, J. Bammert, C. Erlenkämper, N. Lorscheid, C. Weitenberg, A. Winter, M. Hammele and W. Zimmermann, Stripe-hexagon competition in forced pattern forming systems with broken up-down symmetry, Phys. Rev. E 71, 046212 (2005).

2. F. Ziebert and W. Zimmermann, Comment on Instabilities of Isotropic Solutions of Active Polar Filaments, Phys. Rev. Lett. 93, 159802 (2004).

1. F. Ziebert and W. Zimmermann, Pattern formation driven by nematic ordering of assembling biopolymers, Phys. Rev. E 70, 022902 (2004).

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