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Browsing by Subject "Biomaterials"

Now showing items 1-20 of 26

Assessment of Parameters Influencing fiber characteristics of chitosan nanofiber membrane to optimize fiber mat productioi

Areias, AC.; Gómez-Tejedor, José Antonio; Sencadas, V.; Alio, J.; Gómez Ribelles, José Luís; Lanceros-Mendez, S. (Wiley, 2012-06)

Electrospun chitosan nanofiber mats have been obtained using chitosan solutions in a mixture of trifluoroacetic acid and dichloromethane. The relationship between processing parameters (solvent composition, polymer ...
Bioimplants with novel core-shell structures

Ferrándiz Catalá, Borja (2020-01-24)

[EN] A lot of research effort is being made in the field of biomaterials, specifically those ones used for producing bone implants. New methods and materials are being studied in order to match the properties of the ...
Caracterización y estudio del comportamiento electroquímico de aleaciones biomédicas de titanio

Dalmau Borrás, Alba (2013-02-25)

[ES] Se investiga el comportamiento frente a la corrosión de nuevas aleaciones de titanio mediante técnicas electroquímicas en condiciones similares al cuerpo humano empleando una disolución de fosfatos (PBS) y trabajando ...
Desarrollo de un implante modular subcutáneo ergonómico y biocompatible para la adquisición y transmisión inalámbrica de registros electrofisiológicos intracerebrales de rata. Resultados preliminares

Collado Martínez, María José (2015-03-30)

[EN] The present document contains the Final Project of the Master thesis entitled Development of an ergonomic subcutaneous modular implant and biocompatible for the acquisition and wireless transmission of electrophysiological ...
Dielectric Behavior Induced by Vitamin E and Electron Beam Irradiation in Ultra High Molecular Weight Polyethylene

Puertolas, Jose Antoio; Martínez-Morlanez, María José; Teruel Juanes, Roberto; Martinez-Felipe, Alfonso; Oral, Ebru; Pascual, Francisco Javier; Ribes Greus, María Desamparados (Wiley, 2014-09-05)

[EN] Radiation cross-linked ultra high molecular weight polyethylenes (UHMWPEs) have been successfully used as wear resistant bearing surfaces in total joint arthroplasty. A recent development in this field is the ...
Diseño de nuevos biomateriales por combinación de fibroina y ácido hialurónico

Gisbert Roca, Fernando (2018-01-09)

[ES] Las lesiones y enfermedades que afectan al sistema nervioso, tanto central (SNC) como periférico (SNP), poseen incidencias y prevalencias muy elevadas, afectando a millones de personas en todo el mundo. Además, el ...
Diseño e implementación de un software para el análisis de la dinámica molecular de macromoléculas simulada mediante técnicas de Monte Carlo.

CARPIO MULA, LAUREANO EMILIO (2018-09-18)

[ES] Los biomateriales resultan de gran importancia en el ámbito médico, y dentro de estos, los materiales poliméricos desempeñan un papel fundamental no solo como elementos en protésica, sino como objetos clave en la ...
Diseño y estudio técnico-económico de una prótesis craneal biopolimérica

Sanchis Mongort, Álex (2018-01-02)

En el presente documento se ha llevado a cabo el diseño de una prótesis craneal realizada con materiales poliméricos de origen bio. En el proyecto se realiza el procesado de materiales, la caracterización mecánica de ...
Electrochemical behavior of near-beta titanium biomedical alloys in phosphate buffer saline solution

Dalmau Borrás, Alba; Guiñón Pina, Virginia; Devesa Albeza, Francisco; Amigó Borrás, Vicente; Igual Muñoz, Anna Neus (Elsevier, 2015-03-01)

The electrochemical behavior of three different near-β titanium alloys (composed by Ti, Nb and Sn) obtained by powder metallurgy for biomedical applications has been investigated. Different electrochemical and microscopy ...
Estudio de la arquitectura molecular durante la síntesis del poliglicerol sebacato y optimización de su proceso de producción

Naderpour Peñalver, Alicia (2019-12-19)

[ES] El poliglicerol sebacato (PGS) es un biomaterial elastomérico, que se obtiene a partir de glicerol y ácido sebácico mediante una reacción de polimerización por condensación, liberándose moléculas de agua como producto ...
Estudio del comportamiento químico de aleaciones pulvimetalúrgicas Ti-Nb-Si para su posible aplicación biomédica

Álvarez Castaño, Adrián (2019-09-26)

[ES] La aleación de Ti6Al4V es la más empleada en la elaboración de prótesis e implantes, sin embargo, el Al y V son elementos citotóxicos. Por ello, diferentes estudios proponen aleaciones ternarias de TiNb como ...
Fibronectin-matrix sandwich-like microenvironments to manipulate cell fate

Ballester Beltrán, José; Moratal Pérez, David; Lebourg, Myriam Madeleine; Salmerón Sánchez, Manuel (Royal Society of Chemistry, 2014)

[EN] Conventional 2D substrates fail to represent the natural environment of cells surrounded by the 3D extracellular matrix (ECM). We have proposed sandwich-like microenvironments as a versatile tool to study cell behaviour ...
Functional living biointerfaces to direct cell-material interaction

Rodrigo Navarro, Aleixandre (2015-06-10)

[EN] This thesis deals with the development of a living biointerface between synthetic substrates and living cells to engineer cell-material interactions for tissue engineering purposes. This living biointerface is made ...
HYALURONAN BASED BIOMATERIALS FOR CENTRAL NERVOUS TISSUE REGENERATION

Baiget Orts, María Amparo (2012-01-27)

The aim of this Thesis is to investigate the use of hyaluronic acid as a material for the design of scaffolds aimed at CNS regeneration. The motivation comes from the need of searching for new strategies that allow ...
Implantation of a polycaprolactone scaffold with subchondral bone anchoring ameliorates nodules formation and other tissue alterations

Vikingsson, Line Karina Alva; Sancho-Tello Valls, Maria; Ruiz Sauri, Amparo; Martínez Díaz, Santos; Gómez-Tejedor, José Antonio; Gallego Ferrer, Gloria; Carda, Carmen; Monllau Garcia, Joan Carles; Gómez Ribelles, José Luís (Wichtig, 2015)

Purpose: Articular cartilage has limited repair capacity. Two different implant devices for articular cartilage regeneration were tested in vivo in a sheep model to evaluate the effect of subchondral bone anchoring for ...
Investigations of Ti Binary Alloys Manufactured by Powder Metallurgy for Biomaterial Applications

Atay, H. Y.; Rodríguez, M.H.; Amigó Mata, A.; Vicente-Escuder, Ángel; Amigó, Vicente (Institute of Physics, Polish Academy of Sciences, 2018)

[EN] Biomaterials encompass synthetic alternatives to the native materials found in our body. They have shown rapid growth in the field of elderly population demands with the prolongation of human life. Titanium is one of ...
Mechanical fatigue performance of PCL-chondroprogenitor constructs after cell culture under bioreactor mechanical stimulus

Panadero, Juan Alberto; Sencadas, Vitor; Silva, Sonia C. M.; Ribeiro, Clarisse; Correia, Vitor; Gama, Francisco M.; Gómez Ribelles, José Luís; Lanceros-Méndez, S. (John Wiley & Sons, 2016)

[EN] In tissue engineering of cartilage, polymeric scaffolds are implanted in the damaged tissue and subjected to repeated compression loading cycles. The possibility of failure due to mechanical fatigue has not been ...
Microwave Technique: A Powerful Tool for Sintering Ceramic Materials

Borrell Tomás, María Amparo; Salvador Moya, Mª Dolores; Miranda, Míriam; Peñaranda Foix, Felipe Laureano; Catalá Civera, José Manuel (Bentham Science Publishers, 2014)

[EN] Microwave sintering has emerged in recent years as a promising technology for faster, cheaper and eco-friendlier processing of a wide variety of materials, which are regarded as significant advantages against ...
Physical-chemical properties of cross-linked chitosan electrospun fiber mats

Sencadas, Vitor Joao Gomes Da Silva; Correia, Daniela; Ribeiro, Clarisse; Moreira, S.; Botelho, G.; Gómez Ribelles, José Luís; Lanceros Mendez, Senen (Elsevier, 2012-12)

Chitosan fiber mats were successfully processed by electrospinning. The as-spun fiber mats were neutralized with ethanol and cross-linked with glutaraldehyde. A decrease of the fiber average diameter from 243 +/- 43 nm ...
Poly(L-lactide) substrates with tailored surface chemistry by plasma copolymerisation of acrylic monomers

González-García, Cristina; Latorre Ferrús, Llorenç; Moratal, David; Monleón Pradas, Manuel; Salmerón Sánchez, Manuel (John Wiley & Sons, 2009)

[EN] The wettability of PLLA substrates was modified by plasma copolymerising on its surface thin films based on EA and HEA. The composition of the reactive gas inside the plasma chamber was that of the corresponding liquid ...