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Comparing the Structure of Microgels at Liquid-Liquid and Solid-Liquid Interfaces

Rivas-Barbosa, Rodrigo ; Camerin, Fabrizio LU orcid ; Vialetto, Jacopo ; Ramakrishna, Shivaprakash N. ; Isa, Lucio and Zaccarelli, Emanuela (2025) In Langmuir 41(25). p.16674-16684
Abstract

The adsorption of soft microgels at interfaces is a key phenomenon in numerous applications, including emulsification, interfacial stabilization, and responsive coatings. In this work, we employ a combination of in situ atomic force microscopy and numerical simulations to systematically investigate the structural behavior of individual microgels at liquid-liquid and solid-liquid interfaces. By directly comparing their morphology and response to temperature variations, we examine the changes in their overall conformation and the evolution of their internal polymer distribution, uncovering key differences between the two environments. Our results provide detailed insights into the microscopic changes occurring during the adsorption of... (More)

The adsorption of soft microgels at interfaces is a key phenomenon in numerous applications, including emulsification, interfacial stabilization, and responsive coatings. In this work, we employ a combination of in situ atomic force microscopy and numerical simulations to systematically investigate the structural behavior of individual microgels at liquid-liquid and solid-liquid interfaces. By directly comparing their morphology and response to temperature variations, we examine the changes in their overall conformation and the evolution of their internal polymer distribution, uncovering key differences between the two environments. Our results provide detailed insights into the microscopic changes occurring during the adsorption of soft, deformable particles at interfaces, highlighting both new pathways for controlling their interfacial properties and the necessity of advanced characterization techniques to fully capture these complex processes.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Langmuir
volume
41
issue
25
pages
11 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • pmid:40538003
  • scopus:105008981253
ISSN
0743-7463
DOI
10.1021/acs.langmuir.5c02599
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2025 The Authors. Published by American Chemical Society.
id
93614e47-9aa2-490c-a32c-c6e6499dc0d2
date added to LUP
2025-12-15 15:06:47
date last changed
2026-01-12 18:09:41
@article{93614e47-9aa2-490c-a32c-c6e6499dc0d2,
  abstract     = {{<p>The adsorption of soft microgels at interfaces is a key phenomenon in numerous applications, including emulsification, interfacial stabilization, and responsive coatings. In this work, we employ a combination of in situ atomic force microscopy and numerical simulations to systematically investigate the structural behavior of individual microgels at liquid-liquid and solid-liquid interfaces. By directly comparing their morphology and response to temperature variations, we examine the changes in their overall conformation and the evolution of their internal polymer distribution, uncovering key differences between the two environments. Our results provide detailed insights into the microscopic changes occurring during the adsorption of soft, deformable particles at interfaces, highlighting both new pathways for controlling their interfacial properties and the necessity of advanced characterization techniques to fully capture these complex processes.</p>}},
  author       = {{Rivas-Barbosa, Rodrigo and Camerin, Fabrizio and Vialetto, Jacopo and Ramakrishna, Shivaprakash N. and Isa, Lucio and Zaccarelli, Emanuela}},
  issn         = {{0743-7463}},
  language     = {{eng}},
  month        = {{07}},
  number       = {{25}},
  pages        = {{16674--16684}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Langmuir}},
  title        = {{Comparing the Structure of Microgels at Liquid-Liquid and Solid-Liquid Interfaces}},
  url          = {{http://dx.doi.org/10.1021/acs.langmuir.5c02599}},
  doi          = {{10.1021/acs.langmuir.5c02599}},
  volume       = {{41}},
  year         = {{2025}},
}