نتایج جستجو برای: local flexible membrane

تعداد نتایج: 1015442  

Journal: :Soft matter 2015
Nicholas Cordella Thomas J Lampo Nicholas Melosh Andrew J Spakowitz

Clathrin-mediated endocytosis involves the coordinated assembly of clathrin cages around membrane indentations, necessitating fluid-like reorganization followed by solid-like stabilization. This apparent duality in clathrin's in vivo behavior provides some indication that the physical interactions between clathrin triskelia and the membrane effect a local response that triggers fluid-solid tran...

2005
Lucie Masson Michel Dhome Frédéric Jurie

This article proposes a flexible tracker which can estimate motions and deformations of 3D objects in images by considering their appearances as nonrigid surfaces. In this approach, a flexible model is built by matching local features (key-points) over training sequences and by learning the deformations of a spline based model. A statistical model captures the variations of object appearance ca...

2017
Wing Man Wynne Lam

This paper considers firms’ incentives to invest in local and flexible resources when demand is uncertain and correlated. I find that market power of the monopolist providing flexible resources leads to underinvestment in the flexible resource and overinvestment in the local resource. Moreover, investment responds to demand correlation differently under monopoly and social optimum. This implies...

2003
Christian C. Fleck Roland R. Netz

– We investigate numerically and on the scaling level the adsorption of a charged colloid on an oppositely charged flexible membrane. We show that the long ranged character of the electrostatic interaction leads to a wrapping reentrance of the complex as the salt concentration is varied. The membrane wrapping depends on the size of the colloid and on the salt concentration and only for intermed...

2005
Lucie Masson Michel Dhome Frédéric Jurie

This article proposes a flexible tracker which can estimate motions and deformations of 3D objects in images by considering their appearances as nonrigid surfaces. In this approach, a flexible model is built by matching local features (key-points) over training sequences and by learning the deformations of a spline based model. A statistical model captures the variations of object appearance ca...

Journal: :Biophysical journal 2014
Padmini Rangamani Kranthi K Mandadap George Oster

Adsorption of proteins onto membranes can alter the local membrane curvature. This phenomenon has been observed in biological processes such as endocytosis, tubulation, and vesiculation. However, it is not clear how the local surface properties of the membrane, such as membrane tension, change in response to protein adsorption. In this article, we show that the partial differential equations ar...

2014
Susanne Fanghänel Parvesh Wadhwani Erik Strandberg Wouter P. R. Verdurmen Jochen Bürck Sebastian Ehni Pavel K. Mykhailiuk Sergii Afonin Dagmar Gerthsen Igor V. Komarov Roland Brock Anne S. Ulrich

Structure analysis of the cell-penetrating peptide transportan 10 (TP10) revealed an exemplary range of different conformations in the membrane-bound state. The bipartite peptide (derived N-terminally from galanin and C-terminally from mastoparan) was found to exhibit prominent characteristics of (i) amphiphilic α-helices, (ii) intrinsically disordered peptides, as well as (iii) β-pleated amylo...

2017
Nan Guan Xing Dai Andrey V Babichev François H Julien Maria Tchernycheva

The fabrication technologies and the performance of flexible nanowire light emitting diodes (LEDs) are reviewed. We first introduce the existing approaches for flexible LED fabrication, which are dominated by organic technologies, and we briefly discuss the increasing research effort on flexible inorganic LEDs achieved by micro-structuring and transfer of conventional thin films. Then, flexible...

Journal: :Physical review letters 2005
Christian C Fleck Roland R Netz

Counterion distributions at charged flexible membranes are studied using analytical and simulation methods in both Poisson-Boltzmann and strong-coupling limits. The softer the membrane, the more smeared out the counterion-density profile becomes and counterions penetrate through the mean-membrane surface location, in agreement with anomalous scattering results. Repulsion between membrane charge...

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