Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Francesc Sagués"'
Autor:
Martina Clairand, Ali Mozaffari, Jerôme Hardoüin, Rui Zhang, Claire Doré, Jordi Ignés-Mullol, Francesc Sagués, Juan J. de Pablo, Teresa Lopez-Leon
Publikováno v:
Physical Review X, Vol 14, Iss 3, p 031049 (2024)
We investigate the steady state of an ellipsoidal active nematic shell using experiments and numerical simulations. We create the shells by coating microsized ellipsoidal droplets with a protein-based active cytoskeletal gel, thus obtaining ellipsoid
Externí odkaz:
https://doaj.org/article/1e978916e8f84a6f9412d09e92240564
Publikováno v:
HardwareX, Vol 16, Iss , Pp e00480- (2023)
Polarized light microscopy is a widely used technique to observe specimens that are optically anisotropic, or birefringent. It has a broad applicability in the study of minerals, soft materials such as polymers, complex fluids or liquid crystals, and
Externí odkaz:
https://doaj.org/article/616dc64ba6db4ea5bff35726d4bd4a67
Autor:
Jerôme Hardoüin, Claire Doré, Justine Laurent, Teresa Lopez-Leon, Jordi Ignés-Mullol, Francesc Sagués
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
The boundary of conventional liquid crystals is known to anchor the orientational field of the passive materials under equilibrium conditions. Here, the authors show an active nematic to develop active boundary layers that topologically polarize the
Externí odkaz:
https://doaj.org/article/82043682187c443c8c5e86505c146447
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-13 (2018)
Active matter systems are made up of self-driven components which extract energy from their surroundings to generate mechanical work. Here the authors review the subfield of active nematics and provide a comparison between theoretical findings and th
Externí odkaz:
https://doaj.org/article/211dc0dddc0945ebbc2a76986ab81fd5
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Controlled transport at the micro and nanoscale is a challenge and strategies are needed for applications such as targeted drug delivery and soft microrobotics. Here the authors propose a hybrid nanorod and microsphere propeller which can be actuated
Externí odkaz:
https://doaj.org/article/0d55bffdabab439cbb2a07e609b8ce66
Autor:
Berta Martínez-Prat, Ricard Alert, Fanlong Meng, Jordi Ignés-Mullol, Jean-François Joanny, Jaume Casademunt, Ramin Golestanian, Francesc Sagués
Publikováno v:
Physical Review X, Vol 11, Iss 3, p 031065 (2021)
Active fluids exhibit complex turbulentlike flows at low Reynolds number. Recent work predicted that 2D active nematic turbulence follows scaling laws with universal exponents. However, experimentally testing these predictions is conditioned by the c
Externí odkaz:
https://doaj.org/article/8b6be293b1ed4ab2b939d6c4a9064585
Publikováno v:
Frontiers in Physics, Vol 7 (2019)
When dispersed in thermotropic nematic liquid crystal oils, surfactant-ladden aqueous droplets often lead to the formation of a equatorial ring disclination in the nearby nematic matrix as a result of a balance between elasticity and interfacial ener
Externí odkaz:
https://doaj.org/article/e492d3b21f074036a5aeffadee4003f3
Autor:
Jordi Ignés-Mullol, Marc Mora, Berta Martínez-Prat, Ignasi Vélez-Cerón, R. Santiago Herrera, Francesc Sagués
Publikováno v:
Crystals, Vol 10, Iss 2, p 138 (2020)
Spherical confinement of nematic liquid crystals leads to the formation of equilibrium director field configurations that include point and line defects. Driving these materials with flows or dynamic fields often results in the formation of alternati
Externí odkaz:
https://doaj.org/article/df6f94797f5046caa05746e748c56c70
Publikováno v:
PLoS Computational Biology, Vol 14, Iss 1, p e1005949 (2018)
The most frequent form of pairwise synthetic lethality (SL) in metabolic networks is known as plasticity synthetic lethality. It occurs when the simultaneous inhibition of paired functional and silent metabolic reactions or genes is lethal, while the
Externí odkaz:
https://doaj.org/article/2b7d0cc968494279b6651d6e1999aed7
Publikováno v:
Physical Review Research, Vol 1, Iss 2, p 022008 (2019)
We present a theoretical framework to understand the collective dynamics of an ensemble of electrophoretically driven colloidal particles that are forced to assemble around a single topological defect in a nematic liquid crystal by an alternating cur
Externí odkaz:
https://doaj.org/article/4041bcdf962b474a83634ddc773b52d5