I found one see this paper http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=1302891&blobtype=p df it is defined by sigma_M
Best regards Yuguang Dr. Yuguang Mu Assistant Professor School of Biological Sciences Nanyang Technological University 60 Nanyang Drive Singapore 637551 Tel: +65-63162885 Fax: +65-67913856 http://genome.sbs.ntu.edu.sg/Staff/YGMu/index.php -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David van der Spoel Sent: Saturday, September 01, 2007 4:54 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] charge density of lipid Mu Yuguang (Dr) wrote: > No, net charge density estimated from experimental data. what does it mean, how is it measured? you can have nuclear charge minus electron density, but this is not very accurate. -- David van der Spoel, Ph.D. Molec. Biophys. group, Dept. of Cell & Molec. Biol., Uppsala University. Box 596, 75124 Uppsala, Sweden. Phone: +46184714205. Fax: +4618511755. [EMAIL PROTECTED] [EMAIL PROTECTED] http://folding.bmc.uu.se _______________________________________________ gmx-users mailing list gmx-users@gromacs.org http://www.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/search before posting! Please don't post (un)subscribe requests to the list. Use the www interface or send it to [EMAIL PROTECTED] Can't post? Read http://www.gromacs.org/mailing_lists/users.php _______________________________________________ gmx-users mailing list gmx-users@gromacs.org http://www.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/search before posting! Please don't post (un)subscribe requests to the list. Use the www interface or send it to [EMAIL PROTECTED] Can't post? Read http://www.gromacs.org/mailing_lists/users.php
