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Browsing by Author "Lanceros-Mendez, S."

Now showing items 1-11 of 11

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

Areias, A.C.; 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 ...
Chitosan patterning on titanium implants

Gilabert-Chirivella, Eduardo; Pérez-Feito, Ricardo; Ribeiro, Clarisse; Ribeiro, Sylvie; Correia, Daniela M.; González-Martín, Maria Luisa; Manero, Jose Maria; Lanceros-Mendez, S.; Gallego-Ferrer, Gloria; Gómez Ribelles, José Luís (Elsevier, 2017-10)

[EN] Titanium and its alloys are widely used in medical implants because of their excellent properties. However, bacterial infection is a frequent cause of titanium-based implant failure and also compromises its osseointegration. ...
Dielectric relaxation, ac conductivity and electric modulus in poly(vinylidene fluoride)/NaY zeolite composites

Lopes, A.C.; Costa, C.M.; Sabater i Serra, Roser; Neves, I.C.; Gómez Ribelles, José Luís; Lanceros-Mendez, S. (Elsevier, 2013-03-21)

[EN] Poly(vinylidene fluoride)/zeolite composites prepared by solvent casting at 190 °C have been investigated by scanning electronic microscopy, Fourier transformed infrared spectroscopy and broadband dielectric relaxation ...
Effect of neutralization and cross-linking on the thermal degradation of chitosan electrospun membranes

Correia, D. M.; Gamiz Gonzalez, Mª Amparo; Botelho, G.; Vidaurre, Ana; Gómez Ribelles, José Luís; Lanceros-Mendez, S.; Sencadas, V. (Springer-Verlag, 2014-07)

[EN] Thermal degradation of as-electrospun chitosan membranes and samples subsequently treated with ethanol and cross-linked with glutaraldehyde has been studied by thermogravimetry (TG) coupled with an infrared ...
Electrosprayed poly(vinylidene fluoride) microspheres for tissue engineering applications

Correia, D. M.; Gonçalves, R.; Ribeiro, C.; Sencadas, V.; Botelho, G.; Gómez Ribelles, José Luís; Lanceros-Mendez, S. (The Royal Society of Chemistry, 2014)

[EN] Poly(vinylidene fluoride) (PVDF) microparticles have been produced by electrospraying as a suitable substrate for tissue engineering applications. The influence of the polymer solution concentration and processing ...
Enhanced proliferation of pre-osteoblastic cells by dynamic piezoelectric stimulation

Ribeiro, C.; Moreira, S.; Correia, V.; Sencadas, V.; Rocha, J. G.; Gama, F. M.; Gómez Ribelles, José Luís; Lanceros-Mendez, S. (The Royal Society of Chemistry, 2012)

[EN] This work reports on the influence of the polarization of electroactive poly(vinylidene fluoride), PVDF, on the biological response of cells cultivated under static and dynamic conditions. Non-poled and "poled +" ...
In vitro mechanical fatigue behavior of poly-epsilon-caprolactone macroporous scaffolds for cartilage tissue engineering: Influence of pore filling by a poly(vinyl alcohol) gel

Panadero, Juan Alberto; Vikingsson, Line; Gómez Ribelles, José Luís; Lanceros-Mendez, S.; Sencadas, V. (John Wiley & Sons, 2015)

[EN] Polymeric scaffolds used in regenerative therapies are implanted in the damaged tissue and submitted to repeated loading cycles. In the case of articular cartilage engineering, an implanted scaffold is typically ...
Kinetic study of thermal degradation of chitosan as a function of deacetylation degree

Gamiz-Gonzalez, Mª Amparo; Correia, D.M.; Lanceros-Mendez, S.; Sencadas, V.; Gómez Ribelles, José Luís; Vidaurre, Ana (Elsevier, 2017-07-01)

[EN] Thermal degradation of chitosan with varying deacetylation degree (DD) ranging between 50 and 85% was analyzed by dynamic thermogravimetric analysis at different heating rates. The present study focused on the temperature ...
Phase morphology and crystallinity of poly(vinylidene fluoride)/ poly(ethylene oxide) piezoelectric blend membranes

Tamaño-Machiavello, M. N.; Costa, C. M.; Molina Mateo, José; Torregrosa Cabanilles, Constantino; Meseguer Dueñas, José María; Kalkura, S. N.; Lanceros-Mendez, S.; Sabater i Serra, Roser; Gómez Ribelles, José Luís (Elsevier, 2015)

[EN] Polymer blends based on poly(vinylidene fluoride), PVDF and poly(ethylene oxide), PEO, with varying compositions have been prepared by solvent casting, the polymer blend films being obtained from solutions in ...
Processing and characterization of alpha-elastin electrospun membranes

Araujo, J.; Padrao, J.; Silva, J. P.; Dourado, F.; Correia, D. M.; Botelho, G.; Gómez Ribelles, José Luís; Lanceros-Mendez, S.; Sencadas, V. (Springer-Verlag, 2014-06)

[EN] Elastin isolated from fresh bovine ligaments was dissolved in a mixture of 1,1,1,3,3,3-Hexafluoro-2-propanol and water were electrospun into fiber membranes under different processing conditions. Fiber mats of randomly ...
Relaxation dynamics of poly(vinylidene fluoride) studied by dynamical mechanical measurements and dielectric spectroscopy

Sencadas, V.; Lanceros-Mendez, S.; Sabater i Serra, Roser; Andrio Balado, A.; Gómez Ribelles, José Luís (SPRINGER, 2012-05)

[EN] The aim of this study is to analyze the mobility of polymer chains in semicrystalline poly(vinylidene fluoride) (PVDF). PVDF crystallizes from the melt in the crystalline phase. The transformation from the phase to ...