Results 61 to 70 of about 165,835 (261)

Inhomogeneous Canham–Helfrich Abscission in Catenoid Necks under Critical Membrane Mosaicity

open access: yesMembranes, 2023
The mechanical effects of membrane compositional inhomogeneities are analyzed in a process analogous to neck formation in cellular membranes. We cast on the Canham–Helfrich model of fluid membranes with both the spontaneous curvature and the surface ...
José Antonio Santiago, Francisco Monroy
doaj   +1 more source

Membrane curvature induced by polymer adsorption [PDF]

open access: yesPhysical Review E, 2001
The phenomena resulting from interaction between polymers and membranes pose important problems for biological applications. Based on a scaling theory, we investigate the spontaneous curvature of a membrane induced by either flexible or semiflexible chain adsorption.
Kim, YW Kim, Yong Woon, Sung, WY
openaire   +3 more sources

Attractive asymmetric inclusions in elastic membranes under tension: cluster phases and membrane invaginations

open access: yes, 2013
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.
Destainville, Nicolas, Weitz, Sebastian
core   +3 more sources

Curvature-induced stiffening of a fish fin [PDF]

open access: yes, 2017
How fish modulate their fin stiffness during locomotive manoeuvres remains unknown. We show that changing the fin's curvature modulates its stiffness. Modelling the fin as bendable bony rays held together by a membrane, we deduce that fin curvature is ...
Bainbridge R   +10 more
core   +3 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Measurement of the bending rigidity and spontaneous curvature of fluid membranes in simulations

open access: yes, 2011
Several numerical methods for measuring the bending rigidity and the spontaneous curvature of fluid membranes are studied using two types of meshless membrane models.
Noguchi, Hiroshi, Shiba, Hayato
core   +1 more source

The role of traction in membrane curvature generation. [PDF]

open access: yes, 2018
Curvature of biological membranes can be generated by a variety of molecular mechanisms including protein scaffolding, compositional heterogeneity, and cytoskeletal forces.
Alimohamadi, H   +4 more
core   +1 more source

Reaction-diffusion waves coupled with membrane curvature

open access: yesSoft Matter, 2021
Reaction-diffusion waves coupled with membrane deformation are investigated using simulations combining a dynamically triangulated membrane model with the Brusselator model extended to include the effect of membrane curvature.
Naoki Tamemoto, Hiroshi Noguchi
openaire   +3 more sources

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

open access: yesFEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang   +5 more
wiley   +1 more source

Interface-mediated interactions: Entropic forces of curved membranes

open access: yes, 2011
Particles embedded in a fluctuating interface experience forces and torques mediated by the deformations and by the thermal fluctuations of the medium. Considering a system of two cylinders bound to a fluid membrane we show that the entropic contribution
E. Kreyszig   +9 more
core   +1 more source

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