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Issue 5, 1993
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Surface modification of the biomedical polymer poly(ethylene terephthalate)

Abstract

X-ray photoelectron spectroscopy was used to characterize modified surfaces of a biomedically important polymer, poly(ethylene terephthalate). Several modification schemes were investigated and direct silanization with 3-aminopropyltriethoxysilane was found to be the optimum procedure, resulting in an aminated surface. Surface coverage of up to 100% was achieved with retention of the polymeric structural integrity. Further activation of the silanized surface was accomplished with two cross-linkers, glutaraldehyde and sebacoyl chloride. A simple biomolecule, L-cysteine, was successfully immobilized onto a surface pre-treated with 3-aminopropyltriethoxysilane and glutaraldehyde, with a coverage of 42%.

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Article type: Paper
DOI: 10.1039/AN9931800463
Citation: Analyst, 1993,118, 463-474
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    Surface modification of the biomedical polymer poly(ethylene terephthalate)

    L. N. Bùi, M. Thompson, N. B. McKeown, A. D. Romaschin and P. G. Kalman, Analyst, 1993, 118, 463
    DOI: 10.1039/AN9931800463

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