Self-assembly in amphiphilic macromolecules with solvent exposed hydrophobic moieties.
Monte Carlo simulation
amphiphilic assembly
long-ranged repulsion
misfolded protein
short-ranged attraction
Journal
Biopolymers
ISSN: 1097-0282
Titre abrégé: Biopolymers
Pays: United States
ID NLM: 0372525
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
04
06
2019
revised:
03
08
2019
accepted:
19
08
2019
pubmed:
10
9
2019
medline:
10
5
2020
entrez:
10
9
2019
Statut:
ppublish
Résumé
Self-assembly by amphiphilic molecules with solvent exposed hydrophobic groups are relevant in biomolecular systems as well as in technological applications. Here we study such self-assembly in these systems using a model system of spherical particles having charge at core but solvent repelling surface, using Monte-Carlo simulations and mean field treatment. We find that solvophobicity mediated attraction leads aggregation, while electrostatic repulsions control stability of finite clusters. The aggregation threshold relates the parameters of two interactions through an algebraic dependence. The study also qualitatively explains experimental observations on aggregation of misfolded proteins and can be useful guide to tune stability of nm sized self-assembly in systems with exposed hydrophobic groups.
Substances chimiques
Macromolecular Substances
0
Solvents
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e23330Subventions
Organisme : DST, Govt. of India
Informations de copyright
© 2019 Wiley Periodicals, Inc.
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