R. Lipowsky 1995 Europhys. Lett. 30 197 doi:10.1209/0295-5075/30/4/002
Bending of Membranes by Anchored Polymers
R. Lipowsky
Show affiliationsPolymers which are attached to a fluid membrane by a single anchor exhibit a dilute mushroom regime and a semi-dilute brush regime. Scaling arguments and explicit calculations for ideal polymers show that the membrane is bent by the anchored polymer: For smooth bends, an anchored mushroom with linear size Rpo induces a spontaneous curvature of order 
T/κRpo, where T and κ are the temperature and the bending rigidity, respectively; for sharp cone-like bends, it induces a bending angle T/2πκ. A brush with mean anchor separation ξan leads to a curvature of order (Rpo/ξan)2/ν T/κξan.
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Issue 4 (1 May 1995)
Received 14 February 1995
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Bending of Membranes by Anchored Polymers
R. Lipowsky 1995 Europhys. Lett. 30 197
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