Fighting Antibiotic-Resistant Bacterial Infections by Surface Biofunctionalization of 3D-Printed Porous Titanium Implants with Reduced Graphene Oxide and Silver Nanoparticles.
3D printing
antibiotic-resistant bacteria
implant-associated infections
plasma electrolytic oxidation
reduced graphene oxide
silver nanoparticles
titanium
Journal
International journal of molecular sciences
ISSN: 1422-0067
Titre abrégé: Int J Mol Sci
Pays: Switzerland
ID NLM: 101092791
Informations de publication
Date de publication:
16 Aug 2022
16 Aug 2022
Historique:
received:
15
07
2022
revised:
10
08
2022
accepted:
11
08
2022
entrez:
26
8
2022
pubmed:
27
8
2022
medline:
30
8
2022
Statut:
epublish
Résumé
Nanoparticles (NPs) have high multifunctional potential to simultaneously enhance implant osseointegration and prevent infections caused by antibiotic-resistant bacteria. Here, we present the first report on using plasma electrolytic oxidation (PEO) to incorporate different combinations of reduced graphene oxide (rGO) and silver (Ag) NPs on additively manufactured geometrically ordered volume-porous titanium implants. The rGO nanosheets were mainly embedded parallel with the PEO surfaces. However, the formation of 'nano-knife' structures (particles embedded perpendicularly to the implant surfaces) was also found around the pores of the PEO layers. Enhanced in vitro antibacterial activity against methicillin-resistant
Identifiants
pubmed: 36012467
pii: ijms23169204
doi: 10.3390/ijms23169204
pmc: PMC9409238
pii:
doi:
Substances chimiques
Anti-Bacterial Agents
0
graphene oxide
0
Silver
3M4G523W1G
Graphite
7782-42-5
Titanium
D1JT611TNE
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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