Ara es mostren els items 15-34 de 99

    • Caveolin-1 dolines form a distinct and rapid caveolae-independent mechanoadaptation system 

      Lolo, Fidel Nicolás; Walani, Nikhil; Seemann, Eric; Zalvidea, Dobryna; Pavón, Dácil María; Cojoc, Gheorghe; Zamai, Moreno; Viaris de Lesegno, Christine; Martínez de Benito, Fernando; Sánchez Álvarez, Miguel; Uriarte, Juan José; Echarri, Asier; Jiménez Carretero, Daniel; Escolano, Joan Carles; Sánchez Donoso, Susana Angélica; Arroyo Balaguer, Marino (Nature, 2022-12-21)
      Article
      Accés obert
      In response to diferent types and intensities of mechanical force, cells modulate their physical properties and adapt their plasma membrane (PM). Caveolae are PM nano-invaginations that contribute to mechanoadaptation, ...
    • Cell-based maximum entropy approximants 

      Millán, Raúl Daniel; Sukumar, N; Arroyo Balaguer, Marino (2015-02-01)
      Article
      Accés obert
      In this paper, we devise cell-based maximum-entropy (max-ent) basis functions that are used in a Galerkin method for the solution of partial differential equations. The motivation behind this work is the construction of ...
    • Cell-based maximum-entropy approximants 

      Millán, Daniel; Sukumar, N; Arroyo Balaguer, Marino (2015-02-01)
      Article
      Accés obert
      In this paper, we devise cell-based maximum-entropy (max-ent) basis functions that are used in a Galerkin method for the solution of partial differential equations. The motivation behind this work is the construction of ...
    • Charting molecular free-energy landscapes with an atlas of collective variables 

      Hashemian, B.; Millán, Raúl Daniel; Arroyo Balaguer, Marino (2016-11-07)
      Article
      Accés obert
      Collective variables (CVs) are a fundamental tool to understand molecular flexibility, to compute free energy landscapes, and to enhance sampling in molecular dynamics simulations. However, identifying suitable CVs is ...
    • Coexistence of wrinkles and blisters in supported graphene 

      Zang, Kuan; Arroyo Balaguer, Marino (Elsevier, 2017-07-01)
      Article
      Accés obert
      Blisters induced by gas trapped in the interstitial space between supported graphene and the substrate are commonly observed. These blisters are often quasi-spherical with a circular rim, but polygonal blisters are also ...
    • Combined molecular/continuum modeling reveals the role of friction during fast unfolding of coiled-coil proteins 

      Torres Sánchez, Alejandro; Vanegas, Juan Manuel; Purohit, Prashant K.; Arroyo Balaguer, Marino (2019-05-30)
      Article
      Accés obert
      Coiled-coils are filamentous proteins that form the basic building block of important force-bearing cellular elements, such as intermediate filaments and myosin motors. In addition to their biological importance, coiled-coil ...
    • Computational evaluation of the flexoelectric effect in dielectric solids 

      Abdollahi Hosnijeh, Amir; Peco Regales, Christian; Millán, Daniel; Arroyo Balaguer, Marino; Arias Vicente, Irene (American Institute of Physics (AIP), 2014-09-07)
      Article
      Accés restringit per política de l'editorial
      Flexoelectricity is a size-dependent electromechanical mechanism coupling polarization and strain gradient. It exists in a wide variety of materials, and is most noticeable for nanoscale objects, where strain gradients are ...
    • Computing the volume enclosed by a periodic surface and its variation to model a follower pressure 

      Rahimi Lenji, Mohammad; Zhang, Kuan; Arroyo Balaguer, Marino (2015-03-01)
      Article
      Accés obert
      In modeling and numerically implementing a follower pressure in a geometrically nonlinear setting, one needs to compute the volume enclosed by a surface and its variation. For closed surfaces, the volume can be expressed ...
    • Confined bilayers passively regulate shape and stress 

      Staykova, M.; Arroyo Balaguer, Marino; Rahimi Lenji, Mohammad; Stone, H.A. (2013-01)
      Article
      Accés obert
      Lipid membranes are commonly confined to adjacent subcellular structures or to artificial substrates and particles. We develop an experimental and theoretical framework to investigate the mechanics of confined membranes, ...
    • Continuum mechanics modeling and simulation of carbon nanotubes 

      Arroyo Balaguer, Marino; Belytschko, T. (2005-12)
      Article
      Accés obert
      The understanding of the mechanics of atomistic systems greatly benefits from continuum mechanics. One appealing approach aims at deductively constructing continuum theories starting from models of the interatomic interactions. ...
    • Curved fluid membranes behave laterally as an effective viscoelastic medium 

      Rahimi Lenji, Mohammad; DeSimone, Antonio; Arroyo Balaguer, Marino (2013-08-21)
      Article
      Accés restringit per política de l'editorial
      The lateral mobility of membrane inclusions is essential in biological processes involving membrane-bound macromolecules, which often take place in highly curved geometries such as membrane tubes or small organelles. Probe ...
    • Diverse corrugation pattern in radially shrinking carbon nanotubes 

      Shima, Hiroyuki; Sato, Motohiro; Iiboshi, Kohtaroh; Ghosh, Susanta; Arroyo Balaguer, Marino (2010)
      Article
      Accés obert
      Stable cross sections of multiwalled carbon nanotubes subjected to electron-beam irradiation are investigated in the realm of the continuum mechanics approximation. The self-healing nature of sp2 graphitic sheets implies ...
    • Dynamic mechanochemical feedback between curved membranes and BAR protein self-organization 

      Le Roux, Anabel-Lise; Tozzi, Caterina; Walani, Nikhil; Quiroga Álvarez, Xarxa; Zalvidea, Dobryna; Trepat Guixer, Xavier; Staykova, M; Arroyo Balaguer, Marino; Roca-Cusachs, Pere (2021-11-12)
      Article
      Accés obert
      In many physiological situations, BAR proteins reshape membranes with pre-existing curvature (templates), contributing to essential cellular processes. However, the mechanism and the biological implications of this reshaping ...
    • Effective coarse-grained simulations of super-thick multi-walled carbon nanotubes under torsion 

      Jian, Zou; Huang, Xu; Arroyo Balaguer, Marino; Zhang, Sulin (2009-02)
      Article
      Accés obert
      Under torsion and beyond the buckling point, multi-walled carbon nanotubes (MWCNTs) develop a periodic wave-like rippling morphology. Here, we show that torsional rippling deformations can be accurately described by a ...
    • Efficient implementation of Galerkin meshfree methods for large-scale problems with an emphasis on maximum entropy approximants 

      Peco, Christian; Milian, Daniel; Rosolen, Adrian Martin; Arroyo Balaguer, Marino (2015-04-01)
      Article
      Accés obert
      In Galerkin meshfree methods, because of a denser and unstructured connectivity, the creation and assembly of sparse matrices is expensive. Additionally, the cost of computing basis functions can be significant in problems ...
    • Elastic bending modulus of monolayer graphene 

      Lu, Q; Arroyo Balaguer, Marino; Huang, R (2009-05)
      Article
      Accés obert
      An analytic formula is derived for the elastic bending modulus of monolayer graphene based on an empirical potential for solid-state carbon atoms. Two physical origins are identified for the non-vanishing bending stiffness ...
    • Embryonic self-fracking 

      Arroyo Balaguer, Marino; Trepat Guixer, Xavier (2019-08-02)
      Article
      Accés obert
      From a broken bone to a major earthquake, the fracture of a material usually means trouble. However, in some practical applications engineers have learned how to harness the mechanisms of fracture. This is illustrated by ...
    • Examining the mechanical equilibrium of microscopic stresses in molecular simulations 

      Torres Sánchez, Alejandro; Vanegas, Juan Manuel; Arroyo Balaguer, Marino (2015-06-23)
      Article
      Accés restringit per política de l'editorial
      The microscopic stress field provides a unique connection between atomistic simulations and mechanics at the nanoscale. However, its definition remains ambiguous. Rather than a mere theoretical preoccupation, we show that ...
    • Finite crystal elasticity of carbon nanotubes based on the exponential Cauchy-Born rule 

      Arroyo Balaguer, Marino; Belytschko, T. (2004-03)
      Article
      Accés obert
      A finite deformation continuum theory is derived from interatomic potentials for the analysis of the mechanics of carbon nanotubes. This nonlinear elastic theory is based on an extension of the Cauchy-Born rule called the ...
    • Finite element methods for the non-linear mechanics of crystalline sheets and nanotubes 

      Arroyo Balaguer, Marino; Belytschko, T. (Wiley and Sons, 2004-01)
      Article
      Accés obert
      The formulation and finite element implementation of a finite deformation continuum theory for the mechanics of crystalline sheets is described. This theory generalizes standard crystal elasticity to curved monolayer ...