Wrapping of a spherical colloid by a fluid membrane

We theoretically study the elastic deformation of a fluid membrane induced by an adhering spherical colloidal particle within the framework of a Helfrich energy. Based on a full optimization of the membrane shape we find a continuous binding and a discontinuous envelopment transition, the latter displaying a potentially substantial energy barrier. A small-gradient approximation permits membrane shape and complex energy to be calculated analytically. While this only leads to a good representation of the complex geometry for very small degrees of wrapping, it still gives the correct phase boundaries in the regime of low tension.

• Publication year

  2002

• Venue

  EPL

• Publication date

  2002-12-17

• Fields of study

  Materials Science, Physics

• Identifiers
  DOI 10.1209/epl/i2003-00438-4arXiv cond-mat/0212421
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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