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<DIV><FONT face=Arial size=2>Dear John Correia, dear
colleagues,</FONT></DIV>
<DIV><FONT face=Arial size=2>I can't give you a vbar value of LPS but an
addresse of a paper I was involved too in it longtime ago. I like
to</FONT></DIV>
<DIV><FONT face=Arial size=2>emphasize the fact due to there strong
Charge-effect of LPS , so one have to pay attention to use buffers
<DIV><FONT face=Arial size=2>with relative high ionic strength. In this
case rises the hydration and may cause a gup between values.Look please in :
Biochemestry vol 28 N°10 1989 page 4187...</FONT></DIV>
<DIV>Rapid Isolation of Ompf Porin_LPS complexes, suitable for
structure-function studies</DIV>
<DIV>A.Holzenburg, A.Engel, R.Kessler, J.Manz, A.Lustig, U. Aebi.</DIV>
<DIV> </DIV></FONT></DIV>
<DIV><FONT face=Arial size=2>I looked too in Durchschlag H Chapiter
and he gave some values in: "Thermodynamic data for Biochemestry</FONT></DIV>
<DIV><FONT face=Arial size=2>and Biothechnology" (Hinz" )
Springer-verlag 1986 Heidelberg, Tokio New york.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>yours .....ariel</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Ariel Lustig </FONT></DIV>
<DIV><FONT face=Arial size=2>Consulter for
Ultracentrifugation</FONT></DIV>
<DIV><FONT face=Arial size=2>Haltingerstr. 63 </FONT></DIV>
<DIV><FONT face=Arial size=2>CH 4057 BASEL switzerland</FONT></DIV>
<DIV><FONT face=Arial size=2>ariel.lustig @bluewin.ch</FONT></DIV></BODY></HTML>