Seminars of the Focus Area Complex Systems

Prof. Dr. C. Beta, Prof. Dr. K. Dethloff, Prof. Dr. R. Engbert, Prof. Dr. M. Holschneider, Prof. Dr. W. Huisinga, Prof. Dr. Ralf Metzler, Prof. Dr. A. Pikovsky, Prof. Dr. S. Reich, Prof. Dr. M. Rosenblum, Prof. Dr. G. Rüdiger, Prof. Dr. T. Scheffer, Prof. Dr. F. Scherbaum, Prof. Dr. J. Selbig, Prof. Dr. F. Spahn

Seminar

Speaker: Ralf Metzler, Institute of Physics and Astronomy of the University of Potsdam

Title: Single particle tracking in anomalous processes * Bioinformatics Affinity Seminar

Time: Wed, Dec 5, 2012, 10am

Place: MPI für Molekulare Pflanzenphysiologie, Room 0.21 in The Box

Abstract:
Crowding, the physical occupation of a considerable fraction of the ambient volume, is a typical feature of many biological and soft matter systems. Thus, in biological cells larger biomolecules take up some 35-40% of the cytoplasm, giving rise to viscoelastic features. Due to the cytoskeletal architecture of semiflexible proteins additional constraints arise for a molecule or tracer particle moving in cells. Similarly, in gels the network of the gel architecture causes obstacles for larger tracer particles. Indeed, in both cases deviations from standard Brownian motion have been observed in a variety of systems. Such anomalous diffusion reduces diffusional exchange over larger distances. In some cases test particles may become immobilised over long time periods, causing effects such as breaking of ergodicity and ageing. In the talk both the systems as well as the concepts and the concequences of anomalous diffusion will be discussed and compared to experimental data.

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Past NLD Seminars (1994-2007) & (2008 ...)

Students' seminar: Theoretical Physics, PIK, Modeling & TSA Berlin-Potsdam-Colloquia: PhysGesellschaft Berlin, TU Berlin, Pro Physik, AIP, AEI, MPI-KGF, GFZ, HMI, PIK, AWI, Max Planck Institute for the History of Science, Mathematik, DPG Disputationen, & Vorschau UP

Udo Schwarz, Zentrum für Dynamik komplexer Systeme,
Universität Potsdam, Campus Golm Karl-Liebknecht-Str. 24, 14476 Potsdam, building 28, room 2.107
Phone: (+49-331) 977-1658, Fax : (+49-331) 977-1045

Email: Udo.Schwarz AT uni-potsdam.de

DFG SFB 1294

DFG Sonderforschungsbereich 1294 Data assimilation

DFG SPP 1488

DFG Schwerpunktprogramm 1488 Planetmag


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