pb ultracentrifugation of plant material

renaud leonard renaudleo at mailcity.com
Thu Aug 9 07:48:02 EST 2001

When I ultracentrifuge mixed Silene alba cell extract in 14 % saccharose, I
obtain a supernatant, a pellet and a floating white and fat opercule disc. I
don't know what is this disc. Do you have an idea ?


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