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Related papers: Budding and vesiculation induced by conical membra…

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We review the theoretical analyses and simulations of the interactions between curvature-inducing proteins and biomembranes. Laterally isotropic proteins induce spherical budding, whereas anisotropic proteins, such as Bin/Amphiphysin/Rvs…

Soft Condensed Matter · Physics 2023-03-10 Hiroshi Noguchi

The assembly of banana-shaped rodlike proteins on membranes, and the associated membrane shape transformations, are investigated by analytical theory and coarse-grained simulations. The membrane-mediated interactions between two…

Soft Condensed Matter · Physics 2017-05-15 Hiroshi Noguchi , Jean-Baptiste Fournier

The effect of rigid inclusions on the phase behavior of a film containing a mixture of lipid molecules is investigated. In the proposed model, the inclusion-induced deformation of the film, and the resulting energy cost are strongly…

Soft Condensed Matter · Physics 2009-10-31 P. Sens , S. Safran

A phenomenological Landau elasticity for the shape, dilation, and lipid-tilt of bilayer membranes is developed. The shape mode couples with the sum of the monolayers' tilt, while the dilation mode couples with the difference of the…

Soft Condensed Matter · Physics 2009-10-31 J. -B. Fournier

Lipid bilayer membranes are the fundamental biological barriers that permit life. The bilayer dynamics largely participates in orchestrating cellular workings and is characterized by substantial stability together with extreme plasticity…

Soft Condensed Matter · Physics 2022-12-05 Matteo Bottacchiari , Mirko Gallo , Marco Bussoletti , Carlo Massimo Casciola

Curvature in biological membranes can be generated by a variety of different molecular mechanisms such as protein scaffolding, lipid or protein asymmetry, cytoskeletal forces, etc. These mechanisms have the net effect of generating stresses…

Relatively short peptides, such as toxins and antimicrobial-peptides, are known to insert themselves into cell membranes. On the basis of simple bead-spring models for the membrane lipids, the peptide, and water, detailed processes of the…

Soft Condensed Matter · Physics 2007-05-23 Mitsuharu Okazaki , Tomoki Watanabe , Naohito Urakami , Takashi Yamamoto

Motivated by recent experiments on biomimetic membranes exposed to several aqueous phases, we theoretically study the morphology of a membrane in contact with a liquid droplet formed via aqueous phase separation. We concentrate on membranes…

Soft Condensed Matter · Physics 2012-02-07 Halim Kusumaatmaja , Reinhard Lipowsky

The deformation and rupture of a lipid vesicle due to the forced normal approach of an inclusion are essential for optimizing the design of magnetic giant unilamellar vesicles [magGUVs, Malik et al., Nanoscale 17, 13720 (2025)], with…

Soft Condensed Matter · Physics 2025-12-16 Yuan-Nan Young , Bryan Quaife , Herve Nganguia , On Shun Pak , Jie Feng , Howard A. Stone

The adhesion bonds connecting a lipid bilayer to an underlying surface may undergo a condensation transition resulting from an interplay between a short range attractive potential between them, and a long range fluctuation-induced potential…

Soft Condensed Matter · Physics 2016-02-25 Nadiv Dharan , Oded Farago

Osmotic deflation of vesicles enclosing two liquid phases can lead to bulging of one of the phases from the vesicle body. This budding process is preceded by a complete to partial wetting transition of one of the liquid phases on the…

Soft Condensed Matter · Physics 2012-01-17 Yanhong Li , Halim Kusumaatmaja , Reinhard Lipowsky , Rumiana Dimova

Blebs are balloon-shaped membrane protrusions that form during many physiological processes. Using computer simulation of a particle-based model for self-assembled lipid bilayers coupled to an elastic meshwork, we investigated the phase…

Biological Physics · Physics 2015-05-30 Eric J. Spangler , Cameron W. Harvey , Joel D. Revalee , P. B. Sunil Kumar , Mohamed Laradji

Up-down asymmetric inclusions impose a local, spontaneous curvature to an elastic membrane. When several of them are inserted in a same membrane, they feel effective forces mediated by the membrane, both of elastic and entropic nature.…

Soft Condensed Matter · Physics 2013-07-31 Sebastian Weitz , Nicolas Destainville

We study the indentation of a free-standing lipid membrane suspended over a nanopore on a hydrophobic substrate by means of molecular dynamics simulations. We find that in the course of indentation, the membrane bends at the point of…

Soft Condensed Matter · Physics 2011-08-26 Chen-Hsi Huang , Pai-Yi Hsiao , Fan-Gang Tseng , Shih-Kang Fan , Chien-Chung Fu , Rong-Long Pan

Cells offer numerous inspiring examples where proteins and membranes combine to form complex structures that are key to intracellular compartmentalization, cargo transport, and specialization of cell morphology. Despite this wealth of…

The tensile force along a cylindrical lipid bilayer tube is proportional to the membrane's bending modulus and inversely proportional to the tube radius. We show that this relation, which is experimentally exploited to measure bending…

Soft Condensed Matter · Physics 2007-05-23 Vagelis A. Harmandaris , Markus Deserno

We study the collective behavior of inclusions inducing local anisotropic curvatures in a flexible fluid membrane. The N-body interaction energy for general anisotropic inclusions is calculated explicitly, including multi-body interactions.…

Soft Condensed Matter · Physics 2009-10-31 P. G. Dommersnes , J. -B. Fournier

A tethered vesicle, which consists of a cylindrical membrane tube and a spherical vesicle, is produced by a mechanical force that is experimentally imposed by optical tweezers and a micropipette. This tethered vesicle is employed for…

Soft Condensed Matter · Physics 2021-12-30 Hiroshi Noguchi

The detachment dynamics of a fluid membrane with an isotropic spontaneous curvature from a flat substrate are studied by using meshless membrane simulations. The membrane is detached from an open edge leading to vesicle formation. With…

Soft Condensed Matter · Physics 2019-11-11 Hiroshi Noguchi

We investigate the phenomenon of protein induced tubulation of lipid bilayer membranes within a continuum framework using Monte Carlo simulations coupled with the Widom insertion technique to compute excess chemical potentials. Tubular…

Biological Physics · Physics 2015-10-13 Richard W. Tourdot , N. Ramakrishnan , Tobias Baumgart , Ravi Radhakrishnan