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Article overview
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Hydrodynamic collective effects of active proteins in biological membranes | Yuki Koyano
; Hiroyuki Kitahata
; Alexander S. Mikhailov
; | Date: |
2 May 2016 | Abstract: | Lipid bilayers forming biological membranes are known to behave as viscous 2D
fluids on submicrometer scales; usually they contain a large number of active
protein inclusions. Recently, it has been shown [Proc. Nat. Acad. Sci. USA 112,
E3639 (2015)] that such active proteins should in- duce non-thermal fluctuating
lipid flows leading to diffusion enhancement and chemotaxis-like drift for
passive inclusions in biomembranes. Here, a detailed analytical and numerical
investigation of such effects is performed. The attention is focused on the
situations when proteins are concentrated within lipid rafts. We demonstrate
that passive particles tend to become attracted by active rafts and are
accumulated inside them. | Source: | arXiv, 1605.0427 | Services: | Forum | Review | PDF | Favorites |
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