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Biomateriales: desarrollo de andamios para ingeniería de tejidos

Authors: Rubio Valle, José Fernando; Pérez-Puyana, Víctor Manuel; Félix Ángel, Manuel; Romero García, Alberto; Beltrán, Ana M. (Coordinador); Félix Ángel, Manuel (Coordinador);

Biomateriales: desarrollo de andamios para ingeniería de tejidos

Abstract

El presente trabajo se centra en el desarrollo de andamios basados en colágeno (C) y/o quitosano (CH) mediante variaciones del método de fabricación basado en la creación de hidrogeles y posterior secado por liofilización. Con objeto de evaluar la composición y el método de fabricación de los andamios, se evalúan sus propiedades mecánicas mediante barridos de deformación y de frecuencia, así como su estructura y disposición de las fibras mediante porosimetría y microscopía electrónica de barrido (SEM). Los resultados obtenidos demuestran que las propiedades de los andamios experimentan una fuerte dependencia tanto con la proporción de las materias primas (C y CH), así como con el método de fabricación. De hecho, se encuentra que se produce una sinergia relevante cuando se emplean sistemas con la misma proporción de colágeno y quitosano en su composición.

The present work focuses on the development of scaffolds based on collagen (C) and / or chitosan (CH) by variations of the manufacturing method by creation of hydrogels and subsequent freeze-drying. To evaluate the composition and method of manufacture of the scaffolding, its mechanical properties are evaluated by deformation and frequency sweeps, as well as its structure and arrangement of the fibers by means of porosimetry and scanning electron microscopy (SEM). The results obtained show that the properties of the scaffolds experience a strong dependence both with the proportion of the raw materials (C and CH), as well as with the manufacturing method. In fact, it is found that a relevant synergy occurs when systems with the same proportion of collagen and chitosan in their composition are used.

Ministerio de Economía, Industria y Competitividad (España)/ / FEDER (UE) CTQ2015-71164P

Universidad de Sevilla Beca predoctoral del V Plan Propio (VPPI-US)

Keywords

Porosidad, Propiedades mecánicas, Tissue Engineering, Mechanical properties, Microestructura, Biomaterial, Porosity, Microstructure, Ingeniería Tisular

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green