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Tailoring the electrochemical degradation of iron protected with polypyrrole films for biodegradable cardiovascular stents
Abstract
The degradation of polypyrrole (PPy) coated iron is studied in phosphate buffer saline solution at 37 °C by odd random phase multisine electrochemical impedance spectroscopy (ORP-EIS). PPy is electropolymerized with anti-inflammatory salicylates incorporated in the film, as a drug release system. The modelling of EIS over time provides the quantitative description of the corrosion behaviour of the material. Thus, the reliable analysis of the degradation stages of PPy coated iron is attained. The outcome of the present study shows that the degradation of iron can be tailored by tuning the properties of the PPy coating for possible medical applications.
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Authors (4)
-
Lucia Fernandez dr
- Vrije Universiteit Brussel Research group Electrochemical and Surface Engineering
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Annick Hubin Prof.
- Vrije Universiteit Brussel Research group Electrochemical and Surface Engineering
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
ELECTROCHIMICA ACTA
no. 245,
pages 327 - 336,
ISSN: 0013-4686 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Cysewska K., Fernandez L., Jasiński P., Hubin A.: Tailoring the electrochemical degradation of iron protected with polypyrrole films for biodegradable cardiovascular stents// ELECTROCHIMICA ACTA. -Vol. 245, (2017), s.327-336
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.electacta.2017.05.172
- Verified by:
- Gdańsk University of Technology
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