Secondary nucleation in symmetric binary SALR mixtures

Jiazheng Tan, Martin Sweatman

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Monte Carlo simulation is used to study secondary nucleation, fissioning, or ‘reproduction’, of giant clusters in a symmetric binary model fluid with competing short-range (SA) and long-range (LR) interactions. Previous work [M. B. Sweatman (2017), Molecular Physics 116, 1945-1952] suggests that a pure SALR fluid can exhibit secondary nucleation if the solute concentration is slowly increased. We show this is also true for a binary symmetric SALR mixture where the cross-interactions can be tuned to generate clusters with three different kinds of structure; i) independent clusters of each component, ii) contact clusters of different components, and iii) mixed clusters. In each case, the overall concentration of each component is identical. This binary model is an initial step towards using SALR fluids to model the intra-cellular space of biological cells that contain a wide range of membraneless organelles and the chemical ‘soup’ at the origin of life.
Original languageEnglish
JournalPhysical Chemistry Chemical Physics : PCCP
Early online date22 May 2024
DOIs
Publication statusE-pub ahead of print - 22 May 2024

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