Loops <i>versus</i> lines and the compression stiffening of cells
M. C. Gandikota, Katarzyna Pogoda, Anne van Oosten, Tyler Engstrom, Alison E. Patteson, Paul A. Janmey, J. M. Schwarz
Abstract
Compression stiffening (CS) of a cytoskeletal cortex loop enclosing an area-conserving viscous interior is consistent with whole-cell AFM experiments. A network of fibers (lines) with area-conserving loops also achieves CS by exciting bending modes.
Topics & Concepts
Compression (physics)StiffeningMaterials scienceFiberProtein filamentElastic modulusSoft matterRheologyElasticity (physics)Composite materialChemistryPhysical chemistryColloidCellular Mechanics and InteractionsSkin and Cellular Biology ResearchBlood properties and coagulation