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Title: Oxidation behavior of C-and au-ion-implanted biodegradable polymers
Authors: Sokullu Urkaç, Emel
Öztarhan, Ahmet
Tıhmınlıoğlu, Funda
Nikolaev, Alexey
Brown, Ian
Keywords: Biodegradable polymers
Ion implantation
Surface characterization
X-ray photoelectron spectroscopy
Issue Date: Mar-2012
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Sokullu Urkaç, E., Öztarhan, A., Tıhmınlıoğlu, F., Nikolaev, A., and Brown, I. (2012). Oxidation behavior of C-and au-ion-implanted biodegradable polymers. IEEE Transactions on Plasma Science, 40(3 PART 2), 863-869. doi:10.1109/TPS.2011.2179677
Abstract: Biodegradable polymers are widely used in biomedical and tissue engineering applications due to their biocompatibility and hydrolysis properties in the body. However, their low surface energy and lack of functional groups to interact with the cellular environment have limited their applications for in vivo studies. Ion beam modification is a convenient method for improving the surface properties of polymeric materials for functional biomedical applications. In the work described here, vacuum arc metal ion implantation was used to modify the composition of the near-surface region of three kinds of polymerspoly(L-lactide), poly(D, L-lactide-co-glycolide), and poly(L-lactide/caprolactone)chosen as representative of biodegradable polymers. X-ray photoelectron spectroscopy analysis was used to characterize the chemical effects of these polymers after implantation with C and with Au, and the results were compared with untreated control samples. We find that oxidation behavior is brought about for certain implantation fluences, resulting in improved surface hydrophilicity. © 2011 IEEE.
ISSN: 0093-3813
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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