[gmx-users] Re: Forming a micelles

André Farias de Moura moura at ufscar.br
Fri Sep 26 16:23:16 CEST 2008

> One other way to KNOW the surfactants formed micelle is by measuring the
> surface tension (use g_energy). But g_energy gives surface*surface tension
> value, so you'll need to work on that. (HINT: Surface tension value drop
> drastically at CMC)

the surface tension drop is due mainly to the presence of surfactant
molecules on the solvent surface. AFAIK all model systems representing
micellar solutions do not have any explicit interface, so it is
meaningless to calculate or analyze the surface tension.


> Hope these helps,
> Muhammad Alif Mohammad Latif
> Department of Chemistry
> Faculty of Science
> Universiti Putra Malaysia
> 43400 UPM Serdang, Selangor
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Prof. Dr. André Farias de Moura
Departamento de Química
Universidade Federal de São Carlos
São Carlos - SP - Brasil
tel. 16-3351-8090

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