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Listar por palabra clave "Piezoelectricity"

Mostrando ítems 1-17 de 17

Diseño y desarrollo de sistemas ultrasónicos para la detección y eliminación de obstrucciones en conductos de bombas de gasóleo

López Navarro, José Antonio (Universitat Politècnica de València, 2019-06-10)

[ES] El objetivo de este TFM es, por un lado, conseguir establecer un método óptimo para la detección de obstrucciones en el conducto de una bomba de inyección de gasóleo mediante un ensayo no destructivo, utilizando ...
Effective elastin-like recombinamers coating on poly(vinylidene) fluoride membranes for mesenchymal stem cell culture

Guillot-Ferriols, María Teresa; del Barrio, Ana; Costa, Carlos M.; Lanceros-Méndez, Senentxu; Rodríguez-Cabello, José Carlos; Gómez Ribelles, José Luís; Santos, Mercedes; Ferrer, GG (Elsevier, 2021-03-05)

[EN] Bone's inherent piezoelectricity is a key factor in regulating bone growth and mesenchymal stem cells (MSCs) fate towards the osteogenic lineage. The piezoelectric polymer poly(vinylidene) fluoride (PVDF) was thus ...
Electrical characterization of piezoelectric ceramics

Ibarra García, Diego Alexander (Universitat Politècnica de València, 2023-10-17)

[ES] Para la caracterización de materiales piezoeléctricos, el método de resonancias, descrito por el IEEE(Institute of Electrical and Electronics Engineers), es un método no destructiva dinámica para la obtención de las ...
Electrical stimulation: Effective cue to direct osteogenic differentiation of mesenchymal stem cells?

Guillot-Ferriols, María Teresa; Lanceros-Méndez, Senentxu; Gómez Ribelles, José Luís; Gallego-Ferrer, Gloria (Elsevier, 2022-07)

[EN] Mesenchymal stem cells (MSCs) play a major role in bone tissue engineering (BTE) thanks to their capacity for osteogenic differentiation and being easily available. In vivo, MSCs are exposed to an electroactive ...
Electroactive Environments for Mesenchymal Stem Cells Osteogenic Differentiation

Guillot Ferriols, María Teresa (Universitat Politècnica de València, 2022-12-30)

[ES] El aumento de la esperanza de vida conlleva la aparición de problemas muscoloesqueléticos afectando a la calidad de vida de los pacientes. Las nuevas terapias regenerativas óseas se centran en el uso de las células ...
Ensamblaje y validación de un "cartridge" basado en un array de sensores HFFQCM para aplicaciones de High-Throughput Screening (HTS)

Calero Alcarria, María del Señor (Universitat Politècnica de València, 2017-12-02)

One of the outstanding challenges in the areas of health and food safety and quality is the development of new High-Throughput Screenig (HTS) techniques that allow the simultaneous monitoring of multiple samples. A key ...
Estudio del comportamiento de una cerámica piezoeléctrica mediante elementos finitos

Ordoñez Cebrián, Patricia (Universitat Politècnica de València, 2011-12-23)

El objetivo de este trabajo es analizar el comportamiento de una cerámica piezoeléctrica mediante su simulación con el método de elementos finitos. En primer lugar, se realizará una medida experimental de una cerámica ...
Estudio, diseño y construcción de un levitador acústico para desplazamiento de partículas.

Pozzo Escalera, Alejandro del (Universitat Politècnica de València, 2021-10-26)

[ES] En este trabajo se presenta tanto el estudio, diseño y construcción de un levitador acústico uniaxial no resonante cuya frecuencia de trabajo sea de 40kHz, como su funcionamiento y aplicaciones. Además, se pretende ...
Experimental design of dynamic model-based damage identification in piezoelectric ceramics

Rus, Guillermo; Palma, Roberto; Pérez-Aparicio, José L. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2012)

[EN] A model-based inverse problem strategy is proposed for damage characterization, starting from the electromechanical response measurement as input data, and incorporating a numerical model that simulates the piezoelectric ...
Explicit finite-difference time-domain scheme for the simulation of 1-3 piezoelectric effect in axisymmetrical configurations

Ferri García, Marcelino; Camarena Femenia, Francisco; Redondo, Javier; Picó Vila, Rubén; Avis, Mark R. (Elsevier, 2012-09)

[EN] Numerical simulations are useful in the processes of design, development and optimization of transducers for non-destructive testing. In this work, a three-dimensional velocity-stress finite-difference model is presented ...
High Fundamental Frequency (HFF) Monolithic Resonator Arrays for Biosensing Applications: Design, Simulations, Experimental, Characterization

FERNÁNDEZ DÍAZ, ROMÁN; Calero-Alcarria, María Del Señor; Reviakine, Ilya; García, José Vicente; Rocha-Gaso, María Isabel; Arnau Vives, Antonio; Jiménez Jiménez, Yolanda (Institute of Electrical and Electronics Engineers, 2021-01-01)

[EN] Miniaturized, high-throughput, cost-effective sensing devices are needed to advance lab-on-a-chip technologies for healthcare, security, environmental monitoring, food safety, and research applications. Quartz crystal ...
Magnetically Activated Piezoelectric 3D Platform Based on Poly(Vinylidene) Fluoride Microspheres for Osteogenic Differentiation of Mesenchymal Stem Cells

Guillot Ferriols, María Teresa; García Briega, María Inmaculada; Tolosa Pardo, Laia; Costa, Carlos Miguel; Lanceros-Mendez, Senentxu; Gómez Ribelles, José Luís; Gallego Ferrer, Gloria (MDPIUniversitat Politècnica de València, 2022-10-19)

Mesenchymal stem cells (MSCs) osteogenic commitment before injection enhances bone regen-eration therapy results. Piezoelectric stimulation may be an effective cue to promote MSC pre-differentiation, and poly(vinylidene) ...
Magnetically Activated Piezoelectric 3D Platform Based on Poly(Vinylidene) Fluoride Microspheres for Osteogenic Differentiation of Mesenchymal Stem Cells

Guillot-Ferriols, María Teresa; García-Briega, María Inmaculada; Tolosa, Laia; Costa, Carlos M.; Lanceros-Méndez, Senentxu; Gómez Ribelles, José Luís; Ferrer GG (MDPI, 2022-10)

[EN] Mesenchymal stem cells (MSCs) osteogenic commitment before injection enhances bone regeneration therapy results. Piezoelectric stimulation may be an effective cue to promote MSCs pre-differentiation, and poly(vinylidene) ...
Modelización de cerámicas y transductores piezoeléctricos vibrando en espesor mediante matrices de transferencia

Jiménez, Noé; Camarena, Francisco (Universitat Politècnica de València, 2019-02-08)

[EN] In this work we present the modeling of a piezoelectric ceramic vibrating in thickness mode using transfer matrices. The complete modeling of the vibratory behavior of a piezoelectric ceramic is a complex problem.This ...
Multi-scale model for coupled piezoelectric-inelastic behavior

Moreno-Navarro, Pablo; Ibrahimbegovic, Adnan; Damjanovic, Dragan (Techno-Press, 2021-12)

[EN] In this work, we present the development of a 3D lattice-type model at microscale based upon the Voronoi-cell representation of material microstructure. This model can capture the coupling between mechanic and electric ...
Poly(vinylidene) fluoride membranes coated by heparin/collagen layer-by-layer, smart biomimetic approaches for mesenchymal stem cell culture

Guillot-Ferriols, María Teresa; Rodriguez-Hernandez, Jose-Carlos; Correia, D.M.; Carabineiro, S.A.C.; Lanceros-Méndez, S.; Gómez Ribelles, José Luís; Gallego Ferrer, Gloria (Elsevier BV, 2020-12)

[EN] The use of piezoelectric materials in tissue engineering has grown considerably since inherent bone piezoelectricity was discovered. Combinations of piezoelectric polymers with magnetostrictive nanoparticles (MNP) can ...
Simulación numérica de una cerámica piezoeléctrica

González-Salido, Nuria; Ferri, Marcelino; Jiménez, Noé; Camarena, Francisco; Picó, Rubén; Redondo, Javier; Roig, Bernardino (Universitat Politècnica de València, 2013-06-02)

[EN] In this paper, a mathematical model describing the dynamic behavior of a commercial piezoelectric ceramic, vibrating in thickness, is presented. This model solves, by finite differences, the piezoelectric equations ...