Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0142-9612(01)00184-3
Title: Reactive coupling of poly(ethylene glycol) on electroactive polyaniline films for reduction in protein adsorption and platelet adhesion
Authors: Zhang, F.
Kang, E.T. 
Neoh, K.G. 
Wang, P. 
Tan, K.L. 
Keywords: Conductivity
Platelet adhesion
Poly(ethylene glycol)
Polyaniline
Protein adsorption
XPS
Issue Date: 2002
Citation: Zhang, F., Kang, E.T., Neoh, K.G., Wang, P., Tan, K.L. (2002). Reactive coupling of poly(ethylene glycol) on electroactive polyaniline films for reduction in protein adsorption and platelet adhesion. Biomaterials 23 (3) : 787-795. ScholarBank@NUS Repository. https://doi.org/10.1016/S0142-9612(01)00184-3
Abstract: Poly(ethylene glycol) (PEG)-coupled polyaniline (PANI) film surfaces were prepared by incorporating the chlorine end-capped methoxy PEG (mPEGCl) of molecular weight of about 2000 onto the emeraldine (EM) base form of PANI via N-alkylation. The microstructure and composition of the mPEG-coupled PANI (mPEG-c-PANI) surfaces were characterized by atomic force microscopy, contact angle measurement and X-ray photoelectron spectroscopy. The concentration of surface-coupled mPEG increased with the increase in concentration of the mPEGCl solution. The mPEG-c-PANI film surfaces exhibited enhanced ability to repel protein adsorption, with only a moderate reduction in their electrical conductivity. The mPEG-c-PANI surface with a high concentration of coupled mPEG also exhibited good resistance towards platelet adhesion. © 2001 Elsevier Science Ltd. All rights reserved.
Source Title: Biomaterials
URI: http://scholarbank.nus.edu.sg/handle/10635/66782
ISSN: 01429612
DOI: 10.1016/S0142-9612(01)00184-3
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