Hi,
In principle you can calculate this from equations e.g. in Safran's
book "Statistical Thermodynamics of Surfaces, Interfaces, and
Membranes".
However, when we worked with this a few years ago we ended up in the
conclusion that for the properties we were interested in, the
"effective" area/lipid measured in experiments was better
approximated by the cell dimensions including fluctuations. YMMV,
though!
Cheers,
Erik
On Aug 31, 2007, at 10:22 PM, Hwankyu Lee wrote:
Dear gmx-users,
This is not a question about Gromacs, but I wonder if I can hear
suggestions from here. I would like to measure contour area of
bilayer undulation. If there is no undulation, area (area per
lipid) can be easily calculated by dividing XY area by number of
lipid. But, in the lipid bilayer with undulation, how can contour
area (ultimately, area per lipid) be calculated ? If there are
some suggestions about possibilities in Gromacs or other tools,
it'd be really appreciated.
Thanks,
best,
Hwankyu.
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