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- ItemRecombinant phage coated 1D Al2O3 nanostructures for controlling the adhesion and proliferation of endothelial cells(New York [u.a.] : Hindawi, 2015) Lee, Juseok; Jeon, Hojeong; Haidar, Ayman; Abdul-Khaliq, Hashim; Veith, Michael; Aktas, Cenk; Kim, YoungjunA novel synthesis of a nanostructured cell adhesive surface is investigated for future stent developments. One-dimensional (1D) Al2O3 nanostructures were prepared by chemical vapor deposition of a single source precursor. Afterwards, recombinant filamentous bacteriophages which display a short binding motif with a cell adhesive peptide (RGD) on p3 and p8 proteins were immobilized on these 1D Al2O3 nanostructures by a simple dip-coating process to study the cellular response of human endothelial EA hy.926. While the cell density decreased on as-deposited 1D Al2O3 nanostructures, we observed enhanced cell proliferation and cell-cell interaction on recombinant phage overcoated 1D Al2O3 nanostructures. The recombinant phage overcoating also supports an isotropic cell spreading rather than elongated cell morphology as we observed on as-deposited Al2O3 1D nanostructures.
- ItemGradients of Al/Al2O3 nanostructures for screening mesenchymal stem cell proliferation and differentiation(Wuhan : Scientific Research Publishing, 2013) Veith, Michael; Dufloux, Cécile; Ghaemi, Soraya Rasi; Cenk, Aktas; Voelcker, Nicolas H.By decomposing a molecular precursor we fabricated a novel surface based on an aluminium/aluminiumoxide composite incorporating nanotopography gradient to address high-throughput and fast analysis method for studying stem cell differentiation by nanostructures. Depending on the topography of the nanostructures, mesenchymal stem cells exhibit a diverse proliferation and differentiation behavior.