Fluctuation mediated interactions due to rigidity mismatch and their effect on miscibility of lipid mixtures in multicomponent membranes
We consider how membrane fluctuations can modify the miscibility of lipid mixtures, that is to say how the phase diagram of a boundary-constrained membrane is modified when the membrane is allowed to fluctuate freely in the case of zero surface tension. In order for fluctuations to have an effect, t...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2015-06, Vol.27 (21), p.214004-214004 |
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| container_issue | 21 |
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| container_title | Journal of physics. Condensed matter |
| container_volume | 27 |
| creator | Dean, David S Adrian Parsegian, V Podgornika, Rudolf |
| description | We consider how membrane fluctuations can modify the miscibility of lipid mixtures, that is to say how the phase diagram of a boundary-constrained membrane is modified when the membrane is allowed to fluctuate freely in the case of zero surface tension. In order for fluctuations to have an effect, the different lipid types must have differing Gaussian rigidities. We show, somewhat paradoxically, that fluctuation-induced interactions can be treated approximately in a mean-field type theory. Our calculations predict that, depending on the difference in bending and Gaussian rigidity of the lipids, membrane fluctuations can either favor or disfavor mixing. |
| doi_str_mv | 10.1088/0953-8984/27/21/214004 |
| format | Article |
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Our calculations predict that, depending on the difference in bending and Gaussian rigidity of the lipids, membrane fluctuations can either favor or disfavor mixing.</description><subject>Condensed Matter</subject><subject>fluctuation forces</subject><subject>Lipid Bilayers - chemistry</subject><subject>lipids</subject><subject>Membrane Fluidity</subject><subject>Membranes - chemistry</subject><subject>mixing-demixing transition</subject><subject>Models, Chemical</subject><subject>Physics</subject><subject>Soft Condensed Matter</subject><subject>Surface Tension</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc2KFDEUhYMoTjv6CkNwpYuy81dVyXIYHGegwY2Cu5BKbuwMVZU2SYnzBj62KWrs7UAgcPjuuT8HoStKPlEi5Z6oljdSSbFn_Z7R-gQh4gXaUd7RphPyx0u0O0MX6E3OD6QSkovX6IK1qms5Vzv093ZcbFlMCXHGE7hgCjgc5gLJ2FXM2C2AS8Qp_AwulEc8hTyZYo_YzA6XI4SEwXuwBa8WIdswhHEFo8djOAVXxT9lSZCrL56WsQQbp1OcYS615TQkM0N-i155M2Z49_Rfou-3n7_d3DWHr1_ub64PjRW0LY2jSnaeQT94oURPFCdKAfHeecMNMNWCVN4xTirUOTZ0innfW9sJ7oEIfoneb74xl6DrsAXs0cZ5rgtoyrhUrK3Qxw06mlGfUphMetTRBH13fdCrRihtJVHsN63sh409pfhrgVz0egMYx7pVXLKmXQXbVtK-ot2G2hRzTuDP3pToNVa9JqbXxDTrNaN6i7UWXj31WIYa0rnsf44VYBsQ4kk_xCXN9YbPuf4Di6au9Q</recordid><startdate>20150603</startdate><enddate>20150603</enddate><creator>Dean, David S</creator><creator>Adrian Parsegian, V</creator><creator>Podgornika, Rudolf</creator><general>IOP Publishing</general><general>IOP Publishing [1989-....]</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>1XC</scope><scope>VOOES</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-5231-6427</orcidid></search><sort><creationdate>20150603</creationdate><title>Fluctuation mediated interactions due to rigidity mismatch and their effect on miscibility of lipid mixtures in multicomponent membranes</title><author>Dean, David S ; Adrian Parsegian, V ; Podgornika, Rudolf</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-d1986f2e7bf4947093099e0ffdfa3ae295e89fd230f2e6d2b692ff7cc643fe043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Condensed Matter</topic><topic>fluctuation forces</topic><topic>Lipid Bilayers - chemistry</topic><topic>lipids</topic><topic>Membrane Fluidity</topic><topic>Membranes - chemistry</topic><topic>mixing-demixing transition</topic><topic>Models, Chemical</topic><topic>Physics</topic><topic>Soft Condensed Matter</topic><topic>Surface Tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dean, David S</creatorcontrib><creatorcontrib>Adrian Parsegian, V</creatorcontrib><creatorcontrib>Podgornika, Rudolf</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><collection>OSTI.GOV</collection><jtitle>Journal of physics. 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| identifier | ISSN: 0953-8984 |
| ispartof | Journal of physics. Condensed matter, 2015-06, Vol.27 (21), p.214004-214004 |
| issn | 0953-8984 1361-648X |
| language | eng |
| recordid | cdi_osti_scitechconnect_1238925 |
| source | MEDLINE; IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Condensed Matter fluctuation forces Lipid Bilayers - chemistry lipids Membrane Fluidity Membranes - chemistry mixing-demixing transition Models, Chemical Physics Soft Condensed Matter Surface Tension |
| title | Fluctuation mediated interactions due to rigidity mismatch and their effect on miscibility of lipid mixtures in multicomponent membranes |
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