Study on the use of 3‐aminopropyltriethoxysilane and 3‐chloropropyltriethoxysilane to surface biochemical modification of a novel low elastic modulus Ti–Nb–Hf alloy
Autor/a
Paredes, Virginia
Salvagni, Emiliano
Rodriguez Castellón, Enrique
Gil Mur, Francisco Javier
Manero Planella, José María
Fecha de publicación
2014-06-09ISSN
1552-4981
Resumen
A biocompatible new titanium alloy Ti–16Hf–25Nb with low elastic modulus (45 GPa) and the use of short bioadhesive peptides derived from the extracellular matrix have been studied. In terms of cell adhesion, a comparative study with mixtures of short peptides as RGD (Arg‐Gly‐Asp)/PHSRN (Pro‐His‐Ser‐Arg‐Asn) and RGD (Arg‐Gly‐Asp)/FHRRIKA (Phe‐His‐Arg‐Arg‐Ile‐Lys‐Ala) have been carried out with rat mesenchymal cells. The effect of these mixtures of short peptides have already been studied but there are no comparative studies between them. Despite the wide variety of silane precursors available for surface modification in pure titanium, the majority of studies have used aminosilanes, in particular 3‐minopropyltriethoxysilane (APTES). Nevertheless, the 3‐chloropropyltriethoxysilane (CPTES) is, recently, proposed by other authors. Unlike APTES, CPTES does not require an activation step and offers the potential to directly bind the nucleophilic groups present on the biomolecule (e.g., amines or thiols). Since the chemical surface composition of this new alloy could be different to that pure titanium, both organosilanes have been compared and characterized by means of a complete surface characterization using contact angle goniometry and X‐ray photoelectron spectroscopy.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
57 - Biología
Palabras clave
Aliatges
Materials biomèdics
Pèptids
Cèl·lules
Bioquímica
Adhesius
Aleaciones
Materiales biomédicos
Péptidos
Células
Bioquímica
Adhesivos
Alloys
Biomedical materials
Peptides
Cells
Biochemistry
Adhesives
Páginas
20
Publicado por
Wiley
Colección
103; 3
Publicado en
Journal of Biomedical Materials Research Part B: Applied Biomaterials
Citación
Paredes, Vanessa; Salvagni, Emiliano; Rodriguez Castellón, Enrique [et al.]. Study on the use of 3-aminopropyltriethoxysilane and 3-chloropropyltriethoxysilane to surface biochemical modification of a novel low elastic modulus Ti-Nb-Hf alloy. Journal of Biomedical Materials Research. Part B, Applied Biomaterials, 2015, 103(3), p. 495-502. Disponible en: <https://onlinelibrary.wiley.com/doi/abs/10.1002/jbm.b.33226>. Fecha de acceso: 12 may. 2020. DOI: 10.1002/jbm.b.33226
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Derechos
© 2014 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 103B:495–502, 2015.