Search Results - "MacKintosh, F C"
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Modeling semiflexible polymer networks
Published in Reviews of modern physics (01-09-2014)“…Assemblies of semiflexible polymers form the backbone of biological matter. Much stiffer than most synthetic polymers, they form structures with unique…”
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2
Strain-controlled criticality governs the nonlinear mechanics of fibre networks
Published in Nature physics (01-06-2016)“…Fibre networks become rigid at a critical connectivity, but biopolymers giving structure to cells aren’t always well connected. Modelling and experiments on…”
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3
Origin of Slow Stress Relaxation in the Cytoskeleton
Published in Physical review letters (31-05-2019)“…Dynamically cross-linked semiflexible biopolymers such as the actin cytoskeleton govern the mechanical behavior of living cells. Semiflexible biopolymers…”
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4
Broken Detailed Balance of Filament Dynamics in Active Networks
Published in Physical review letters (17-06-2016)“…Myosin motor proteins drive vigorous steady-state fluctuations in the actin cytoskeleton of cells. Endogenous embedded semiflexible filaments such as…”
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5
Nonequilibrium Mechanics of Active Cytoskeletal Networks
Published in Science (American Association for the Advancement of Science) (19-01-2007)“…Cells both actively generate and sensitively react to forces through their mechanical framework, the cytoskeleton, which is a nonequilibrium composite material…”
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6
Nonlinear Poisson Effect Governed by a Mechanical Critical Transition
Published in Physical review letters (24-01-2020)“…Under extensional strain, fiber networks can exhibit an anomalously large and nonlinear Poisson effect accompanied by a dramatic transverse contraction and…”
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7
Nonlinear elasticity in biological gels
Published in Nature (London) (12-05-2005)“…The mechanical properties of soft biological tissues are essential to their physiological function and cannot easily be duplicated by synthetic materials…”
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8
Elastic Behavior of Cross-Linked and Bundled Actin Networks
Published in Science (American Association for the Advancement of Science) (28-05-2004)“…Networks of cross-linked and bundled actin filaments are ubiquitous in the cellular cytoskeleton, but their elasticity remains poorly understood. We show that…”
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9
Filament-length-controlled elasticity in 3D fiber networks
Published in Physical review letters (13-02-2012)“…We present a model for disordered 3D fiber networks to study their linear and nonlinear elasticity. In contrast to previous 2D models, these 3D networks with…”
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10
Anomalous discontinuity at the percolation critical point of active gels
Published in Physical review letters (06-03-2015)“…We develop a percolation model motivated by recent experimental studies of gels with active network remodeling by molecular motors. This remodeling was found…”
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11
Fluctuation-stabilized marginal networks and anomalous entropic elasticity
Published in Physical review letters (27-08-2013)“…We study the elastic properties of thermal networks of Hookean springs. In the purely mechanical limit, such systems are known to have a vanishing rigidity…”
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12
Nonlinear Mechanics of Athermal Branched Biopolymer Networks
Published in The journal of physical chemistry. B (07-07-2016)“…Naturally occurring biopolymers such as collagen and actin form branched fibrous networks. The average connectivity in branched networks is generally below the…”
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13
Deformation of cross-linked semiflexible polymer networks
Published in Physical review letters (05-09-2003)“…Networks of filamentous proteins play a crucial role in cell mechanics. These cytoskeletal networks, together with various cross-linking and other associated…”
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14
The Mechanics and Fluctuation Spectrum of Active Gels
Published in The journal of physical chemistry. B (26-03-2009)“…Recent experiments on molecular motor driven in vitro F-Actin networks have found anomalously large strain fluctuations at low frequency. In addition, the…”
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15
Sheinman, Sharma, and MacKintosh Reply
Published in Physical review letters (06-05-2016)Get full text
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16
Force fluctuations and polymerization dynamics of intracellular microtubules
Published in Proceedings of the National Academy of Sciences - PNAS (09-10-2007)“…Microtubules are highly dynamic biopolymer filaments involved in a wide variety of biological processes including cell division, migration, and intracellular…”
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17
Bacteriophage Capsids: Tough Nanoshells with Complex Elastic Properties
Published in Proceedings of the National Academy of Sciences - PNAS (18-05-2004)“…The shell of bacteriophages protects the viral DNA during host-to-host transfer and serves as a high-pressure container storing energy for DNA injection into a…”
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18
Elastic regimes of subisostatic athermal fiber networks
Published in Physical review. E (14-01-2016)“…Athermal models of disordered fibrous networks are highly useful for studying the mechanics of elastic networks composed of stiff biopolymers. The underlying…”
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19
Effective medium theory of semiflexible filamentous networks
Published in Physical review letters (20-07-2007)“…We develop an effective medium approach to the mechanics of disordered, semiflexible polymer networks and study the response of such networks to uniform and…”
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20
Deformation and collapse of microtubules on the nanometer scale
Published in Physical review letters (29-08-2003)“…We probe the local mechanical properties of microtubules at the nanometer scale by radial indentation with a scanning force microscope tip. We find a linear…”
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