The motion of a DNA molecule in a solvent flow reflects the deformation of a nano/microscale flexible mass–spring structure by the forces exerted by the fluid molecules. The dynamics of individual molecules can reveal both fundamental properties of the DNA and basic understanding of the complex rheological properties of long-chain molecules. In this study, we report the dynamics of isolated DNA...

CEFT, Departmento de Engenharia Química, Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal Department of Mechanical Engineering, MIT, 77 Massachusetts Avenue, Cambridge , MA 02139-4307, USA Department of Chemical and Biomolecular Engineering, The University of Melbourne, VIC 3010, Australia Email: [email protected], [email protected], [email protected], mm...

Molecular architecture plays a key role in determining the physical properties and emergent functional properties of polymeric materials. Despite recent progress in the synthesis of structurally defined polymers, we still lack a complete understanding of how the emergent properties of topologically complex polymers arise from molecular-scale phenomena. In this work, we study the nonequilibrium ...

Although the behaviour of fluid-filled vesicles in steady flows has been extensively studied, far less is understood regarding shape dynamics time-dependent oscillatory flows. Here, we investigate nonlinear large amplitude extensional (LAOE) using both experiments and boundary integral (BI) simulations. Our results characterize transient membrane deformations, dynamical regimes stress response ...