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In this short communication, we describe the scope and flexibility of using a novel device containing three coaxially arranged needles to form a variety of novel morphologies. Different combinations of materials are subjected to controlled flow through the device under the influence of an applied electric field. The resulting electrohydrodynamic flow allows us to prepare double-layered bubbles, porous encapsulated threads and nanocapsules containing three layers. The ability to process such multilayered structures is very significant for biomedical engineering applications, for example, generating capsules for drug delivery, which can provide multistage controlled release.

Original publication

DOI

10.1098/rsif.2008.0247

Type

Journal article

Journal

Journal of the royal society, interface

Publication Date

10/2008

Volume

5

Pages

1255 - 1261

Addresses

Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK. ucemzah@ucl.ac.uk

Keywords

Polyurethanes, Microscopy, Electron, Scanning, Microscopy, Electron, Transmission, Drug Delivery Systems, Biomedical Engineering, Electric Conductivity, Surface Tension, Viscosity