Berlin 2024 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 17: Charged Soft Matter, Polyelectrolytes and Ionic Liquids I

CPP 17.1: Hauptvortrag

Dienstag, 19. März 2024, 09:30–10:00, H 0107

Dipole-driven Self-assembly and Dynamics in Solutions of Charged Macromolecules — •Murugappan Muthukumar — University of Massachusetts, Amherst, MA, 01003, USA

Control of self-assembled structures of charged macromolecules in aqueous solutions is vital in myriads of natural phenomena. However, a fundamental understanding of the various phenomena exhibited by charged macromolecules is one of the grand challenges in the domains of living matter, biomimicry, and healthcare. The origin of this challenge lies in the simultaneous occurrence of three long-range forces from electrostatics, topology of polymer connectivity, and hydrodynamics. As a result, charged macromolecules exhibit extraordinary behavior unseen in uncharged molecules. Several of these phenomena can be attributed to the dominance of dipole-dipole interaction over monopole-monopole interaction. We will present basic concepts and address structure, dynamics, and transport in a few systems that include biomolecular condensates, polyzwitterions, and intrinsically disordered proteins.

Keywords: Biomolecular condensates; Polyzwitterions; Intrinsically disordered proteins