Liquid demixing in elastic networks: Cavitation, permeation, or size selection? - Archive ouverte HAL
Article Dans Une Revue EPL - Europhysics Letters Année : 2022

Liquid demixing in elastic networks: Cavitation, permeation, or size selection?

Résumé

Abstract In cells, phase-separated liquid condensates interact mechanically with surrounding elastic networks such as chromatin and cytoskeleton. By considering the trade-offs between elastic, wetting, and interfacial energies, we theoretically show that three droplet phases can be thermodynamically stable: macroscopic droplets that either cavitate or permeate the network, and mesh-size–limited microdroplets. We show that network strain stiffening further enhances this latter size-limitation effect. Our theory predicts the possibility of yet-unobserved droplet phases in the cytoplasm and nucleoplasm.

Dates et versions

hal-03838308 , version 1 (03-11-2022)

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Pierre Ronceray, Sheng Mao, Andrej Košmrlj, Mikko Haataja. Liquid demixing in elastic networks: Cavitation, permeation, or size selection?. EPL - Europhysics Letters, 2022, 137 (6), pp.67001. ⟨10.1209/0295-5075/ac56ac⟩. ⟨hal-03838308⟩

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