Surface characterization of dialyzer polymer membranes by imaging ToF-SIMS and quantitative XPS line scans | Zendy

Markus Holzweber | Zendy; Andreas Lippitz | Zendy; Katharina Krueger | Zendy; Joachim Jankowski | Zendy; Wolfgang E. S. Unger | Zendy

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Surface characterization of dialyzer polymer membranes by imaging ToF-SIMS and quantitative XPS line scans

Author(s) -

Markus Holzweber,

Andreas Lippitz,

Katharina Krueger,

Joachim Jankowski,

Wolfgang E. S. Unger

Publication year - 2015

Publication title -

biointerphases

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.633

H-Index - 45

eISSN - 1934-8630

pISSN - 1559-4106

DOI - 10.1116/1.4907937

Subject(s) - membrane , polysulfone , secondary ion mass spectrometry , x ray photoelectron spectroscopy , polyvinylpyrrolidone , biocompatibility , polymer , chemistry , characterization (materials science) , analytical chemistry (journal) , materials science , chemical engineering , mass spectrometry , polymer chemistry , chromatography , nanotechnology , organic chemistry , biochemistry , engineering

The surfaces of polymeric dialyzer membranes consisting of polysulfone and polyvinylpyrrolidone were investigated regarding the lateral distribution and quantitative surface composition using time-of-flight secondary-ion-mass-spectrometry and x-ray photoelectron spectroscopy. Knowledge of the distribution and composition on the outer surface region is of utmost importance for understanding the biocompatibility of such dialyzer membranes. Both flat membranes and hollow fiber membranes were studied.

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