Influence of ZnO thin film crystallinity on in vitro biocompatibility† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c8tx00061a

This study evaluated the cytocompatibility of single- and poly-crystalline ZnO thin films using extract and direct contact methods. This study evaluated the cytocompatibility of single- and poly-crystalline ZnO thin films using extract and direct contact methods. Exposure to poly-crystalline ZnO ext...

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Veröffentlicht in:Toxicology research (Cambridge) 2018-05, Vol.7 (5), p.754-759
Hauptverfasser: Lewinski, Nastassja A., Avrutin, Vitaliy, Izadi, Tanin, Secondo, Lynn E., Ullah, Md. Barkat, Özgür, Ümit, Morkoç, Hadis, Topsakal, Erdem
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Sprache:eng
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Zusammenfassung:This study evaluated the cytocompatibility of single- and poly-crystalline ZnO thin films using extract and direct contact methods. This study evaluated the cytocompatibility of single- and poly-crystalline ZnO thin films using extract and direct contact methods. Exposure to poly-crystalline ZnO extract resulted in reduced cell viability, on average 82%/70% as measured by MTS/LDH assays, respectively. Direct exposure to both single- and poly-crystalline ZnO thin films resulted in reduced cell viability, which was attributed to anoikis due to inhibition of cell adhesion to the substrate by zinc. Intracellular zinc imaging suggests that single crystalline ZnO thin films do not result in a significant change in intracellular zinc concentrations. Overall, the results suggest that single-crystalline ZnO thin films have better short-term (24 h) cytocompatibility and support their potential to serve as a biocompatible sensor material.
ISSN:2045-452X
2045-4538
DOI:10.1039/c8tx00061a