Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface

We investigate rearrangements of a single hairy particle at a liquid-liquid interface using coarse-grained molecular dynamics simulations. We consider the particles with the same (symmetrical interactions) and different (asymmetrical interactions) affinity to the liquids. We show how ligand mobilit...

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Main Authors: T. Staszewski, M. Borówko
Format: Article
Language:English
Published: Institute for Condensed Matter Physics 2024-03-01
Series:Condensed Matter Physics
Subjects:
Online Access:https://cmpj2.icmp.lviv.ua/index.php/cmpj/article/view/17
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author T. Staszewski
M. Borówko
author_facet T. Staszewski
M. Borówko
author_sort T. Staszewski
collection DOAJ
description We investigate rearrangements of a single hairy particle at a liquid-liquid interface using coarse-grained molecular dynamics simulations. We consider the particles with the same (symmetrical interactions) and different (asymmetrical interactions) affinity to the liquids. We show how ligand mobility affects the behavior of the hairy particle at the liquid-liquid interface. We found that such a hairy particle can take various shapes at the interface. For example, a Janus-like snowman consisting of a segment cluster and a bare part of the core, Saturn-like structures, and the core with a wide “plume” on one side. A configuration of the particle at the interface is characterized by the vertical displacement distance and the orientation of the particle relative to the phase boundary. The selected descriptors are used to characterize the shape of the segment cloud. We found that the shape of a particle and its localization at the interface can be determined by tuning the interactions with the liquids.
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spelling doaj.art-baf29ba637eb4e77b546d1417cb105902024-03-29T10:14:55ZengInstitute for Condensed Matter PhysicsCondensed Matter Physics1607-324X2224-90792024-03-0127110.5488/cmp.27.13602Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interfaceT. Staszewski0https://orcid.org/0000-0002-0284-4253M. Borówko1https://orcid.org/0000-0003-1461-249XDepartment of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, PolandDepartment of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Poland We investigate rearrangements of a single hairy particle at a liquid-liquid interface using coarse-grained molecular dynamics simulations. We consider the particles with the same (symmetrical interactions) and different (asymmetrical interactions) affinity to the liquids. We show how ligand mobility affects the behavior of the hairy particle at the liquid-liquid interface. We found that such a hairy particle can take various shapes at the interface. For example, a Janus-like snowman consisting of a segment cluster and a bare part of the core, Saturn-like structures, and the core with a wide “plume” on one side. A configuration of the particle at the interface is characterized by the vertical displacement distance and the orientation of the particle relative to the phase boundary. The selected descriptors are used to characterize the shape of the segment cloud. We found that the shape of a particle and its localization at the interface can be determined by tuning the interactions with the liquids. https://cmpj2.icmp.lviv.ua/index.php/cmpj/article/view/17hairy particlesparticle-laden layersmolecular dynamics
spellingShingle T. Staszewski
M. Borówko
Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
Condensed Matter Physics
hairy particles
particle-laden layers
molecular dynamics
title Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
title_full Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
title_fullStr Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
title_full_unstemmed Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
title_short Shape changes of a single hairy particle with mobile ligands at a liquid-liquid interface
title_sort shape changes of a single hairy particle with mobile ligands at a liquid liquid interface
topic hairy particles
particle-laden layers
molecular dynamics
url https://cmpj2.icmp.lviv.ua/index.php/cmpj/article/view/17
work_keys_str_mv AT tstaszewski shapechangesofasinglehairyparticlewithmobileligandsataliquidliquidinterface
AT mborowko shapechangesofasinglehairyparticlewithmobileligandsataliquidliquidinterface