Photoactivated titania-based nanomaterials for potential application as cardiovascular stent coatings
PBN-AR
Instytucja
Wydział Podstawowych Problemów Techniki (Politechnika Wrocławska)
Informacje podstawowe
Główny język publikacji
eng
Czasopismo
Biocybernetics and Biomedical Engineering
ISSN
0208-5216
EISSN
Wydawca
DOI
URL
Rok publikacji
2014
Numer zeszytu
nr 3
Strony od-do
189-197
Numer tomu
vol. 34
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
pol
inżynieria biomedyczna
biomedycyna
nanomateriały
Streszczenia
Język
eng
Treść
Intravascular stenting of atherosclerotic coronary arteries is a life-saving, widely used procedure in interventional cardiology. Adverse clinical outcomes such as restenosis highlight the importance of meeting the excellent biocompatibility by cardiovascular implants. Many attempts have been made to improve the safety profile of implant surface. We for the first time developed the photoactive intravascular titania-based nanomaterials for the application as cardiovascular stent coating. Photoactive biomaterial deposited on the cardiovascular stent surface demonstrated promising features, making it an excellent substrate for endothelial cells growth and proliferation. The biocompatibility of these coatings has been compared with 316L stainless steel surfaces typically used in commercial coronary stents production. The results of the study proved that the innovative titania-based coatings have better biocompatibility characteristics than the 316L stainless steel and in regard of its antithrombotic potential provided protection against restenosis. Furthermore, the titania coating supported endothelial cells attachment and proliferation, and induced prolonged plasma recalcification time in comparison with stainless steel surface. Innovative photoactive titania coating can be an important factor to prevent the process of the restenosis in the place of implantation.
Inne
System-identifier
000192448
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