ArticleACS applied materials & interfaces2026
Development of a Cerium-Doped Titanate/Polyphenol Nanostructured Coating for Titanium Implants: Enhancing Antibacterial Properties through Ciprofloxacin Release.
Article in ACS applied materials & interfaces, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Titanium implants are widely used in orthopedics and dentistry; however, their long-term performance is challenged by bacterial colonization, lack of antioxidant activity, and mismatch in mechanical properties with bone tissue. In this study, we developed a hybrid nanostructured coating composed of cerium-doped titanate and a poly(tannic acid) layer, further functionalized with ciprofloxacin to enhance antibacterial properties. The coating was synthesized through sequential hydrothermal, ion-exchange, and polyphenol deposition steps, followed by antibiotic loading. Comprehensive characterization using SEM, AFM, XPS, FT-IR, and nanoindentation confirmed the successful formation of a uniform nanostructured coating with drug adsorption capability. Antioxidant activity studies demonstrated the material's ability to scavenge both free radicals and hydrogen peroxide. The obtained materials also exhibited the ability to neutralize intracellular reactive oxygen species (ROS). The scavenging of free radicals was facilitated by the polyphenolic component of the coating, whereas the decomposition of H
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