Evidence map›Paper›PMID 40391694›Full record

ArticleThe journal of physical chemistry. B2025

New Coarse-Grained Models to Describe the Self-Assembly of Aqueous Aerosol-OT.

Alexander Moriarty, Takeshi Kobayashi, Teng Dong, Kristo Kotsi, Panagiota Angeli, Matteo Salvalaglio, Ian McRobbie, Alberto Striolo

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Article in The journal of physical chemistry. B, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Alexander MoriartyDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.
Takeshi KobayashiDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.ORCID 0000-0002-4823-1567
Teng DongDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.ORCID 0000-0002-6881-2350
Kristo KotsiDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.ORCID 0009-0005-5814-3391
Panagiota AngeliDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.
Matteo SalvalaglioDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.ORCID 0000-0003-3371-2090
Ian McRobbieInnospec Ltd., Oil Sites Road, Ellesmere Port, Cheshire, CH65 4EY, U.K.
Alberto StrioloDepartment of Chemical Engineering, UCL, Gower Street, London WC1E 6BT, U.K.ORCID 0000-0001-6542-8065

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aerosol-OT (AOT) is a very versatile surfactant that exhibits a plethora of self-assembly behaviors. In particular, due to its double-tail structure, it is capable of forming vesicles in water. However, the size of these structures, and the time scales over which they form, make them difficult to study using traditional all-atomistic molecular dynamics simulations. Here, three coarse-grained models are developed for AOT with different levels of detail. The models take advantage of the Martini 3 force field, which enables 2:1 mappings to be employed for the tail groups. It is shown that these models are able to reproduce the self-assembly behavior of AOT in water at three concentrations: below the critical vesicle concentration (CVC), above the CVC, and in the lamellar phase. The results also demonstrate the formation of vesicles from bicelles above the critical vesicle concentration, which is an important milestone for the continued study of vesicle behavior.

Identifiers

PMID40391694
PMCPMC12128036

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