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Gravina, A.N.; Ruso, J.M.; Laiuppa, J.A.; Santillán, G.E.; Marco-Brown, J.L.; D'Elia, N.L.; Messina, P.V. "Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity" (2014) Journal of Materials Chemistry B. 2(7):834-845
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Abstract:

Controlling aligned fiber micro-architectures to simulate the extracellular matrix for inducing important biological functions is a key challenge with regard to successful tissue regeneration. Here we present a bottom-up microemulsion-mediated strategy to obtain highly bioactive and biocompatible, striped Ce-TiO2 nano-crystalline superstructures with ONOO - scavenging activity. The employment of a bulkier organic ceria precursor in the material synthesis has several concurrent effects: (I) influencing the interfacial microemulsion droplet elasticity to create an aligned distribution of prismatic anatase nanoparticles causing the final lined morphology, (II) stabilizing the anatase active phase in a fine dispersed state and improving its resistance to the thermal anatase-rutile conversion, (III) indirectly favoring the rapid formation on the material surface of a hydroxyapatite layer composed of sphere-like globules of 3-5 μm in diameter essential for bone-bonding, and finally (IV) accelerating the ONOO- degradation into less harmful species NO2- and O 2. © The 2014 Royal Society of Chemistry.

Registro:

Documento: Artículo
Título:Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity
Autor:Gravina, A.N.; Ruso, J.M.; Laiuppa, J.A.; Santillán, G.E.; Marco-Brown, J.L.; D'Elia, N.L.; Messina, P.V.
Filiación:Department of Chemistry, INQUISUR-CONICET, Universidad Nacional Del sur, 8000, Bahía Blanca, Argentina
Soft Matter and Molecular Biophysics Group, Department of Applied Physics, University of Santiago de Compostela, Santiago de Compostela, 15782, Spain
Department of Biology, Biochemistry and Pharmacy, Universidad Nacional Del sur, 8000, Bahía Blanca, Argentina
Department of Inorganic Chemistry, Analytics and Physical Chemistry, INQUIMAE, Universidad de Buenos Aires, Pabellón II, Buenos Aires, C1428EHA, Argentina
Palabras clave:Anatase nanoparticles; Biological functions; Extracellular matrices; Hydroxyapatite layers; Material surface; Material synthesis; Micro architectures; Scavenging activities; Biocompatibility; Elasticity; Microemulsions; Oxide minerals; Synthesis (chemical); Titanium dioxide
Año:2014
Volumen:2
Número:7
Página de inicio:834
Página de fin:845
DOI: http://dx.doi.org/10.1039/c3tb21556c
Título revista:Journal of Materials Chemistry B
Título revista abreviado:J. Mater. Chem. B
ISSN:20507518
CODEN:JMCBD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20507518_v2_n7_p834_Gravina

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Citas:

---------- APA ----------
Gravina, A.N., Ruso, J.M., Laiuppa, J.A., Santillán, G.E., Marco-Brown, J.L., D'Elia, N.L. & Messina, P.V. (2014) . Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity. Journal of Materials Chemistry B, 2(7), 834-845.
http://dx.doi.org/10.1039/c3tb21556c
---------- CHICAGO ----------
Gravina, A.N., Ruso, J.M., Laiuppa, J.A., Santillán, G.E., Marco-Brown, J.L., D'Elia, N.L., et al. "Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity" . Journal of Materials Chemistry B 2, no. 7 (2014) : 834-845.
http://dx.doi.org/10.1039/c3tb21556c
---------- MLA ----------
Gravina, A.N., Ruso, J.M., Laiuppa, J.A., Santillán, G.E., Marco-Brown, J.L., D'Elia, N.L., et al. "Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity" . Journal of Materials Chemistry B, vol. 2, no. 7, 2014, pp. 834-845.
http://dx.doi.org/10.1039/c3tb21556c
---------- VANCOUVER ----------
Gravina, A.N., Ruso, J.M., Laiuppa, J.A., Santillán, G.E., Marco-Brown, J.L., D'Elia, N.L., et al. Striped, bioactive Ce-TiO2 materials with peroxynitrite- scavenging activity. J. Mater. Chem. B. 2014;2(7):834-845.
http://dx.doi.org/10.1039/c3tb21556c