Exploració per autor "Sáez Viñas, Pablo"
Ara es mostren els items 1-20 de 26
-
A complementary energy approach accommodates scale differences in soft tissues
Sáez Viñas, Pablo; Eppell, Steven J.; Ballarini, Roberto; Rodríguez Matas, José Félix (2020-05-01)
Article
Accés obertThe mechanics of biological entities, from single molecules to the whole organ, has been extensively analyzed during the last decades. At the smaller scales, statistical mechanics has fostered successful physical models ... -
A computational model for early cell spreading, migration, and competing taxis
Betorz Llobet, Joel; Bokil, Gaurav Rajendra; Deshpande, Shreyas M.; Kulkarnic, Shardool; Araya Matilla, Daniel Rolando; Venturini, Chiara; Sáez Viñas, Pablo (Elsevier, 2023-10)
Article
Accés obertCell motility represents one of the most fundamental functions in life such as organ development or tissue regeneration and diseases such as cancer. Here, we derived a computational model of cell motility that incorporates ... -
A multi-scale clutch model for adhesion complex mechanics
Venturini, Chiara; Sáez Viñas, Pablo (Public Library of Science (PLOS), 2023-07-14)
Article
Accés obertCell-matrix adhesion is a central mechanical function to a large number of phenomena in physiology and disease, including morphogenesis, wound healing, and tumor cell invasion. Today, how single cells respond to different ... -
A structural approach including the behavior of collagen cross-links to model patient-specific human carotid arteries
Sáez Viñas, Pablo; Peña, Estefanía; Martínez, Miguel Angel (2014)
Article
Accés obertThe objective of this work is to develop a remodeling model for biological matter coupling two different processes in a 3D framework: reorientation of the preferential direction of a given fibered structure and reorientation ... -
A theoretical model of the endothelial cell morphology due to different waveforms
Sáez Viñas, Pablo; Malve, M.; Martínez, M.A. (2015-08)
Article
Accés obertEndothelial cells are key units in the regulatory biological process of blood vessels. They represent an interface to transmit variations on the fluid dynamic changes. They are able to adapt its cytoskeleton, by means of ... -
An anisotropic microsphere-based approach for fiber orientation adaptation in soft tissue
Sáez Viñas, Pablo; Pena, Estefanía; Doblaré, Manuel; Martínez, Miguel Ángel (2011)
Article
Accés obertEvolutionary processes in biological tissue, such as adaptation or remodeling, represent an enterprising area of research. In this paper, we present a multiscale model for the remodeling of fibered structures, such as ... -
Anisotropic microsphere-based approach to damage in soft fibered tissue
Sáez Viñas, Pablo; Alastrué, V.; Pena, Estefania; Doblaré, Manuel; Martínez, Miguel Ángel (2012-05)
Article
Accés obertAn anisotropic damage model for soft fibered tissue is presented in this paper, using a multi-scale scheme and focusing on the directionally dependent behavior of these materials. For this purpose, a micro-structural or, ... -
Brain tissue mechanics is governed by microscale relations of the tissue constituents
Sáez Viñas, Pablo; Borau Zamora, Carlos; Antonovaite, Nelda; Franze, Kristian (Elsevier, 2023-10-01)
Article
Accés obertLocal mechanical tissue properties are a critical regulator of cell function in the central nervous system (CNS) during development and disorder. However, we still don't fully understand how the mechanical properties of ... -
Bulging brains
Weickenmeie, J.; Sáez Viñas, Pablo; Butler, C. A.; Young, P.G.; Gorily, A.; Kuhl, Ellen (2016-10)
Article
Accés obertBrain swelling is a serious condition associated with an accumulation of fluid inside the brain caused by trauma, stroke, infection, or tumors. It increases the pressure inside the skull and reduces blood and oxygen supply. ... -
Computational model of collagen turnover in carotid arteries during hypertension
Sáez Viñas, Pablo; Peña, Estefanía; Tarbell, J.M.; Martínez, Miguel Angel (John Wiley & Sons, Ltd, 2015-02)
Article
Accés obertt is well known that biological tissues adapt their properties because of different mechanical and chemical stimuli. The goal of this work is to study the collagen turnover in the arterial tissue of hypertensive patients ... -
Computational modeling of acute myocardial infarction
Sáez Viñas, Pablo; Kuhl, E. (Gordon and Breach Science Publishers, 2016-07)
Article
Accés obertMyocardial infarction, commonly known as heart attack, is caused by reduced blood supply and damages the heart muscle because of a lack of oxygen. Myocardial infarction initiates a cascade of biochemical and mechanical ... -
Computational modeling of epithelial wound healing: Short and long term chemo-mechanical mechanisms
Roldan, Lisandro; Muñoz Romero, José; Sáez Viñas, Pablo (2019-06-15)
Article
Accés obertDuring the lifetime of all living multicellular organisms, wounds in their tissues are frequently observed. Thecapability of closing those gaps is fundamental for a healthy development. If done deficiently, many diseasesmay ... -
Computational modeling of hypertensive growth in the human carotid artery
Sáez Viñas, Pablo; Peña, Estefanía; Martínez, Miguel Ángel; Kuhl, Ellen (2014-06)
Article
Accés obertArterial hypertension is a chronic medical condition associated with an elevated blood pressure. Chronic arterial hypertension initiates a series of events, which are known to collectively initiate arterial wall thickening. ... -
Fully coupled numerical model of actin treadmilling in the lamellipodium of the cell
Kollepara, Kiran Sagar; Mulye, Paris D.; Sáez Viñas, Pablo (John Wiley & sons, 2018-12)
Article
Accés obertCells rely on an interplay of subcellular elements for motility and migration. Certain regions of motile cells, such as the lamellipodium, are made of a complex mixture of actin monomers and filaments, which polymerize at ... -
Hierarchical micro-adaptation of biological structures by mechanical stimuli
Sáez Viñas, Pablo; Pena, Estefanía; Doblaré, Manuel; Martínez, Miguel Ángel (2013)
Article
Accés obertRemodeling and other evolving processes such as growth or morphogenesis are key factors in the evolution of biological tissue in response to both external and internal epigenetic stimuli. Based on the description of these ... -
Mathematical modeling of collagen turnover in biological tissue
Sáez Viñas, Pablo; Peña, Estefania; Martínez, Miguel Àngel; Kuhl, Ellen (2012)
Article
Accés obertWe present a theoretical and computational model for collagen turnover in soft biological tissues. Driven by alterations in the mechanical environment, collagen fiber bundles may undergo important chronic changes, characterized ... -
Mechanical and microstructural behavior of vascular tissue
Peña Baquedano, Estefania; García González, Alberto; Sáez Viñas, Pablo; Peña Baquedano, Juan Antonio; Cilla, Myriam; Martinez, Miguel Ángel (Elsevier, 2019)
Capítol de llibre
Accés restringit per política de l'editorialAccurate determination of the tissue response after vascular surgeries or pathologies in patients requires developing appropriate models of the organ or vessel under consideration. In this regard, combining experimental ... -
Mechanics reveals the biological trigger in wrinkly fingers
Sáez Viñas, Pablo; Zöllner, A. M. (2017-04)
Article
Accés obertFingertips wrinkle due to long exposure to water. The biological reason for this morphological change is unclear and still not fully understood. There are two main hypotheses for the underlying mechanism of fingertip ... -
Mechanotransmission of haemodynamic forces by the endothelial glycocalyx in a full-scale arterial model
Sáez Viñas, Pablo; Gallo, Diego; Morbiducci, Umberto (2019-06-05)
Article
Accés obertThe glycocalyx has been identified as a key mechano-sensor of the shear forces exerted by streaming blood onto the vascular endothelial lining. Although the biochemical reaction to the blood flow has been extensively ... -
Microstructural quantification of collagen fiber orientations and its integration in constitutive modeling of the porcine carotid artery
Sáez Viñas, Pablo; García, A.; Peña, Estefanía; Gasser, Thomas Christian; Martínez, M.A. (2016-03)
Article
Accés obertBackground Mechanical characteristics of vascular tissue may play a role in different arterial pathologies, which, amongst others, requires robust constitutive descriptions to capture the vessel wall’s anisotropic and ...