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Journal of Bioactive and Compatible Polymers
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Improving Blood and Tissue Compatibility of Poly(Ethylene Terephthalate) by Ion Beam Treatment

Mariana Gheorghiu

"Al. I. Cuza" University Department of Physics 6600 Iasi, Romania

G. Popa

"Al. I. Cuza" University Department of Physics 6600 Iasi, Romania

O.C. Mungiu

Institute of Medicine and Pharmacy 6600 Iasi, Romania

Poly(ethylene terephthalate) (PET) has desirable qualities for medical application but it is a nonpolar material ({gamma}ps = 0.6 dyn/cm) which results in its high interfacial tension with blood plasma ({gamma}SL = 50 dyn/cm). Modifications of the surface free energy components of PET by ion-beam treat ments were investigated. Also the surface morphology of the treated PET by scanning electron microscopy was revealed. The influence of such modifications on biocompatibility of these materials was investigated by subcutaneous im plants in rats.

Journal of Bioactive and Compatible Polymers, Vol. 6, No. 2, 164-177 (1991)
DOI: 10.1177/088391159100600204
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