Journal of Biological Physics

, Volume 32, Issue 5, pp 369–381 | Cite as

Morphology and Phase Behavior of Two-Component Lipid Membranes

  • Dong Ni
  • Hui-Ji Shi
  • Ya-Jun Yin
  • Li-Sha Niu
Research Paper


The stability and shapes of domains with different bending rigidities in lipid membranes are investigated. These domains can be formed from the inclusion of an impurity in a lipid membrane or from the phase separation within the membrane. We show that, for weak line tensions, surface tensions and finite spontaneous curvatures, an equilibrium phase of protruding circular domains or striped domains may be obtained. We also predict a possible phase transition between the investigated morphologies.

Key words

lipid membrane phase separation phase transition 


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Copyright information

© Springer Science + Business Media B.V. 2006

Authors and Affiliations

  1. 1.Key Laboratory of Failure Mechanics, Department of Engineering MechanicsTsinghua UniversityBeijingPeople’s Republic of China

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