Steering patchy particles using multivalent electrolytes
Abrikossov, Alexei LU ; Stenqvist, Björn LU and Lund, Mikael LU
(2017)
In Soft Matter
13(26).
p.4591-4597
- Abstract
Proteins and many recently designed colloids can be regarded as patchy particles where directional interactions strongly influence and govern assembly behavior. Using explicit ion implicit solvent Metropolis Monte Carlo simulations, we investigate spherical model particles, carrying both charge and electric patches, in dilute aqueous 1 : 1, 1 : 3, and 3 : 1 electrolyte solutions. Striking differences in pair interaction free energies and orientational correlations are induced by three different salts which are discussed and rationalized in terms of ion-binding to surface groups, ion-ion correlations, and double layer forces. These findings suggest a general strategy where directional, intermolecular interactions can be invoked and tuned... (More)
Proteins and many recently designed colloids can be regarded as patchy particles where directional interactions strongly influence and govern assembly behavior. Using explicit ion implicit solvent Metropolis Monte Carlo simulations, we investigate spherical model particles, carrying both charge and electric patches, in dilute aqueous 1 : 1, 1 : 3, and 3 : 1 electrolyte solutions. Striking differences in pair interaction free energies and orientational correlations are induced by three different salts which are discussed and rationalized in terms of ion-binding to surface groups, ion-ion correlations, and double layer forces. These findings suggest a general strategy where directional, intermolecular interactions can be invoked and tuned via small amounts of a carefully chosen electrolyte.
(Less)
- author
- Abrikossov, Alexei
LU
; Stenqvist, Björn
LU
and Lund, Mikael
LU
- organization
- publishing date
- 2017
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Soft Matter
- volume
- 13
- issue
- 26
- pages
- 7 pages
- publisher
- Royal Society of Chemistry
- external identifiers
-
- pmid:28593204
- wos:000411436600005
- scopus:85022047798
- ISSN
- 1744-683X
- DOI
- 10.1039/c7sm00470b
- language
- English
- LU publication?
- yes
- id
- dde11325-55ce-4396-8be0-bd7f3f03daa5
- date added to LUP
- 2017-07-24 13:35:34
- date last changed
- 2025-03-03 21:29:56
@article{dde11325-55ce-4396-8be0-bd7f3f03daa5,
abstract = {{<p>Proteins and many recently designed colloids can be regarded as patchy particles where directional interactions strongly influence and govern assembly behavior. Using explicit ion implicit solvent Metropolis Monte Carlo simulations, we investigate spherical model particles, carrying both charge and electric patches, in dilute aqueous 1 : 1, 1 : 3, and 3 : 1 electrolyte solutions. Striking differences in pair interaction free energies and orientational correlations are induced by three different salts which are discussed and rationalized in terms of ion-binding to surface groups, ion-ion correlations, and double layer forces. These findings suggest a general strategy where directional, intermolecular interactions can be invoked and tuned via small amounts of a carefully chosen electrolyte.</p>}},
author = {{Abrikossov, Alexei and Stenqvist, Björn and Lund, Mikael}},
issn = {{1744-683X}},
language = {{eng}},
number = {{26}},
pages = {{4591--4597}},
publisher = {{Royal Society of Chemistry}},
series = {{Soft Matter}},
title = {{Steering patchy particles using multivalent electrolytes}},
url = {{http://dx.doi.org/10.1039/c7sm00470b}},
doi = {{10.1039/c7sm00470b}},
volume = {{13}},
year = {{2017}},
}