Polycaprolactone Collagen Based Electrospun Nanofiber Scaffolds for Vascular Tissue Engineering

Öncü, Sepren
Hasırcı, Vasıf Nejat


Polybenzimidazole based nanocomposite membranes with enhanced proton conductivity for high temperature PEM fuel cells
Ozdemir, Yagmur; Uregen, Nurhan; DEVRİM, YILSER (2017-01-26)
In this study, phosphoric acid doped PBI nanocomposite membranes were prepared by dispersion of various amounts of inorganic nanoparticles in PBI polymer followed by phosphoric acid (H3PO4) doping for high temperature proton exchange membrane fuel cells (HT-PEMFC). All of the PBI composite membranes were cast from the same FBI polymer with the same molecular weight. Titanium dioxide (TiO2), silicon dioxide (SiO2) and inorganic proton conductor zirconium phosphate (ZrP) were used as inorganic fillers. The PB...
Polystyrene/Boron Nitride Nanotube Composites: Preparation and Characterization
Balık, Erdem; Bayram, Göknur; Sezgi, Naime Aslı (null; 2019-05-26)
Polyelectrolyte multilayer films as substrates for photoreceptor cells
Tezcaner, Ayşen; Boulmedais, F; SAHEL, JOSE; SCHAAF, PIERRE; VOEGEL, JEAN CLAUDE; LAVALLE, PHILIPPE (2006-01-01)
Reconstruction of extracellular matrix substrates for delivery of functional photoreceptors is crucial in pathologies such as retinal degeneration and age-related macular degeneration. In this study, we assembled polyelectrolyte films using the layer-by-layer deposition method. The buildup of three different films composed of poly(L-lysine)/ chondroitin sulfate (PLL/CSA), poly(L-lysine)/poly(styrenesulfonate) (PLL/PSS), or poly(L-lysine)/hyaluronic acid (PLL/HA) was followed by means of quartz crystal micro...
Polybenzimidazole/SiO2 hybrid membranes for high temperature proton exchange membrane fuel cells
DEVRİM, YILSER; Devrim, Huseyin; Eroğlu, İnci (2016-06-22)
Polybenzimidazole/Silicon dioxide (PBI/SiO2) hybrid membranes were prepared and characterized as alternative materials for high temperature proton exchange membrane fuel cell (HT-PEMFC). The PBI/SiO2 membranes were cast from a PBI polymer synthesized in the laboratory and contained 5 wt. % SiO2 as inorganic filler. Scanning electron microscopy (SEM) analysis showed that the uniform and homogeneous distribution of SiO2 particles in the hybrid membrane. The existence SiO2 has improved the acid retention and p...
Polybenzimidazole-modified carbon nanotubes as a support material for platinum-based high-temperature proton exchange membrane fuel cell electrocatalysts
Eren, Enis Oguzhan; Özkan, Necati; DEVRİM, YILSER (2021-08-01)
We fabricate polybenzimidazole (PBI) wrapped carbon nanotubes (MWCNTs) as support material for platinum-based fuel cell electrocatalyst. With the aid of microwave-assisted polyol reduction, we obtain very fine platinum (Pt) nanoparticles on PBI/MWCNT support while reducing the amount of Pt waste during synthesis. Cyclic voltammetry (CV) concludes that Pt-PBI/MWCNT has 43.0 m(2) g(-1) of electrochemically active surface area (ECSA) to catalyze hydrogen oxidation. Furthermore, after the 1000th cycle, Pt-PBI/M...
Citation Formats
S. Öncü and V. N. Hasırcı, “Polycaprolactone Collagen Based Electrospun Nanofiber Scaffolds for Vascular Tissue Engineering,” 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/72656.