Physio-chemical and antibacterial characteristics of pressure spun nylon nanofibres embedded with functional silver nanoparticles》.pdfVIP

Materials Science and Engineering C 56 (2015) 195–204 Contents lists available at ScienceDirect Materials Science and Engineering C j ournal homepage: www.el sevier. com/l ocate/ ms ec Physio-chemical and antibacterial characteristics of pressure spun nylon nanofibres embedded with functional silver nanoparticles Z. Xu a, S. Mahalingam a, J.L. Rohn b, G. Ren c, M. Edirisinghe a,⁎ a Department of Mechanical Engineering, University College London, London WC1E 7JE, UK b Centre for Clinical Science and Technology, Division of Medicine, University College London, London, UK c School of Engineering and Technology, University of Hertfordshire, Hatfi eld AL10 9AB, UK a r t i c l e i n f o a b s t r a c t Article history: A novel and facile approach to prepare hybrid nanoparticle embedded polymer nanofibers using pressurised gy- Received 19 March 2015 ration is presented. Silver nanoparticles and nylon polymer were used in this work. The polymer solutions phys- Received in revised form 3 June 2015 ical properties, rotating speed and the working pressure had a significant influence on the fibre diameter and the Accepted 5 June 2015 morphology. Fibres in the range of 60–500 nm were spun using 10 wt.%, 15 wt.% and 20 wt.% nylon solutions and Available online 9 June 2015 these bead-free fibres were processed under 0.2 MPa and 0.3 MPa working pressure and a rotational speed of 36,000 rpm. 1–4 wt.% of Ag was added to these nylon solutions