Carbohydrate Polymers 181 (2018) 215–223 Contents lists available at ScienceDirect Carbohydrate Polymers journal homepage: www.elsevier.com/locate/carbpol Production and characterization of cellulose acetate – titanium dioxide nanotubes membrane fraxiparinized through polydopamine for clinical applications Cristina Dumitriu, Stefan Ioan Voicu, Alexandru Muhulet, Gheorghe Nechifor, Simona Popescu, Camelia Ungureanu, Andrea Carja, Florin Miculescu, Roxana Trusca, Cristian Pirvu University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania ARTICLE I NFO ABSTRACT Keywords: The present paper introduces a study on the preparation and characterization of cellulose acetate – TiO na- Cellulose acetate membrane notubes membrane. In order to be used as a hemodialysis membrane, fraxiparinized nanotubes have been in- Titanium dioxide nanotubes corporated into the cellulose matrix. Fraxiparine embedding was performed via strong binding ability of do- Polydopamine pamine. Antimicrobial activity Composite membrane was characterized by scanning electron microscopy, Fourier transform infrared spec- Hemodialysis troscopy, and water contact angle measurement. Electrochemical impedance spectroscopy was used to correlate Fraxiparine the morphology of composite membrane with its electrochemical properties. Mott-Schottky test proved titanium dioxide semiconductor incorporation in composite membrane. Permeation test was made to determine pure water ﬂux. The obtained results showed that addition of na- notubes had a positive impact on membrane permeation compared with
Carbohydrate Polymers – Elsevier
Published: Feb 1, 2018
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