Electrophoretic deposition of organic/inorganic composite coatings containing ZnO nanoparticles exhibiting antibacterial properties
PBN-AR
Instytucja
Wydział Inżynierii Metali i Informatyki Przemysłowej (Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Materials Science and Engineering. C, Materials for Biological Applications (30pkt w roku publikacji)
ISSN
0928-4931
EISSN
1873-0191
Wydawca
Elsevier Science BV
DOI
Rok publikacji
2017
Numer zeszytu
Strony od-do
780--789
Numer tomu
77
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
0.71
Słowa kluczowe
EN
coatings
ZnO nanoparticles
chitosan
bioactive glass
electrophoretic deposition
antivacterial surfaces
Streszczenia
Język
EN
Treść
To address one of the serious problems associated with permanent implants, namely bacterial infections, novel organic/inorganic coatings containing zinc oxide nanoparticles (nZnO) are proposed. Coatings were obtained by electrophoretic deposition (EPD) on stainless steel 316L. Different deposition conditions namely: deposition times in the range 60–300 s and applied voltage in the range 5–30 V as well as developing a layered coating approach were studied. Antibacterial tests against gram-positive Staphylococcus aureus and gram-negative Salmonella enteric bacteria confirmed the activity of nZnO to prevent bacterial growth. Coatings composition and morphology were analyzed by thermogravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscopy and energy dispersive X-ray spectroscopy. Moreover, the corrosion resistance was analyzed by evaluation of the polarization curves in DMEM at 37 °C, and it was found that coatings containing nZnO increased the corrosion resistance compared to the bare substrate. Considering all results, the newly developed coatings represent a suitable alternative for the surface modification of metallic implants.
Cechy publikacji
original article
peer-reviewed
Inne
System-identifier
idp:105309
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