Plasma modified polymers as a support for enzyme immobilization II. Amines plasma

Polysulfone films were modified by ammonia, n-butylamine and allylamine remote plasma using various sample-to-plasma distances. Contact angle measurements, FTIR-ATR and XPS spectroscopy proved the presence of polar, including amine, groups on the modified surface. Presence of argon in the plasma env...

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Bibliographic Details
Published in:European polymer journal 2003-11, Vol.39 (11), p.2217-2224
Main Authors: Gancarz, I, Bryjak, J, Poźniak, G, Tylus, W
Format: Article
Language:English
Subjects:
Amines plasma
Applied sciences
Biological and medical sciences
Biotechnology
Coating, metallization, dyeing
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Glucose isomerase immobilization
Immobilization of enzymes and other molecules
Immobilization techniques
Machinery and processing
Methods. Procedures. Technologies
Plastics
Polymer industry, paints, wood
Polysulfone
Technology of polymers
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Summary:Polysulfone films were modified by ammonia, n-butylamine and allylamine remote plasma using various sample-to-plasma distances. Contact angle measurements, FTIR-ATR and XPS spectroscopy proved the presence of polar, including amine, groups on the modified surface. Presence of argon in the plasma environment made the plasma more stable and in most cases left the surface more hydrophilic but with a lower amount of nitrogen moieties on it. Glucose isomerase was successfully immobilized on the plasma-treated samples. Its activity correlates well with the concentration of C–N bonds on the surface. The highest enzyme activity was achieved for samples treated with allylamine/Ar plasma close to the plasma edge.
ISSN:0014-3057
1873-1945
DOI:10.1016/S0014-3057(03)00160-5