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Krabbenborg, Vincent (2024)

Designing the shape of active filaments by distribution of active forces

Master thesis | Physics (MSc)
Active polymer simulations are an important aspect in understanding the physics of molecular biology. A coarse-grained view of polymers can be obtained by bead-spring simulations where particles (monomers) are connected with harmonic springs in a chain-like fashion, where the spring constant is sufficiently high such that the the mean bond-length remains constant. These polymers can be made active by applying a given active force distribution on the monomers. This thesis investigates the structural and dynamical properties of polymers with different active force distributions, like time dependence or periodic active monomers. It is found that time dependent active force distributions can lead to run & tumble modes of movement. Also, novel polymer conformations, like a double helical or snake-like shape, have been found when applying periodic activity on the polymer.
Active polymers
Author
Krabbenborg, Vincent
Faculty
Faculty of Science
Specialisation
Research in physics: Classical & Quantum Information
Supervisors

Morin, Alexandre.
Jabbari-Farouji, S.

ECTS Credits
24
Language
en