Flow-driven translocation of comb-like copolymer micelles through a nanochannel

He, Yingjie; Li, Luyang; Ding, Mingming; Li, Weihua

doi:10.1039/d3sm01241g

Soft Matter

2023

DOI: 10.1039/d3sm01241g

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Flow-driven translocation of comb-like copolymer micelles through a nanochannel

Yingjie He,

Luyang Li,

Mingming Ding

et al.

Abstract: Using hybrid Lattice-Boltzmann Molecular Dynamics simulations, we investigate the flow-driven translocation of comb-like copolymer micelles through a nanochannel, in particular, making a detailed comparison with micelles formed by the corresponding...

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2024

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Inertial migration of cylindrical micelles formed by comb-like copolymer in Poiseuille flow

Lin,

Shi,

Yang

et al. 2024

Physics of Fluids

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By combining the lattice Boltzmann model of fluid flow with the molecular dynamics model of copolymers, we investigate the inertial migration of cylindrical micelles, which is obtained by controlling the length ratios of hydrophilic and hydrophobic segments in a comb-like copolymer. Our results demonstrate that cylindrical micelles gradually deviate from the center of the nanochannel with increasing Reynolds number (Re). For the same Re, the larger the cylindrical micelle is, the closer it is to the center of the nanochannel. Importantly, we find that the change in the equilibrium position is particularly pronounced at Re less than 0.1, while the trend becomes smoother at Re greater than 0.1, which is because of the transition of micelles from cylindrical to disk-like shapes when Re is smaller than 0.1, and does not change as Re further increases. This work provides an understanding of cylindrical micelles' inertial migration, particularly in identifying the effect of morphological changes on the equilibrium position, which could lead to significant advancements in the inertial migration of polymer micelles.

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Inertial migration of cylindrical micelles formed by comb-like copolymer in Poiseuille flow

Lin,

Shi,

Yang

et al. 2024

Physics of Fluids

View full text Add to dashboard Cite

show abstract

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Flow-driven translocation of comb-like copolymer micelles through a nanochannel

Abstract: Using hybrid Lattice-Boltzmann Molecular Dynamics simulations, we investigate the flow-driven translocation of comb-like copolymer micelles through a nanochannel, in particular, making a detailed comparison with micelles formed by the corresponding...

Cited by 1 publication

References 46 publications

Inertial migration of cylindrical micelles formed by comb-like copolymer in Poiseuille flow

Inertial migration of cylindrical micelles formed by comb-like copolymer in Poiseuille flow

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