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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kesler Shvero, Dana Zaltsman, Nathan Weiss, Ervin I. Polak, David Hazan, Ronen Beyth, Nurit |
| Description | Country affiliation: Israel Author Affiliation: Kesler Shvero D ( Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.); Zaltsman N ( Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.); Weiss EI ( Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.); Polak D ( Department of Periodontology, Faculty of Dentistry, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.); Hazan R ( Institute of Dental Sciences, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.); Beyth N ( Department of Prosthodontics, Faculty of Dentistry, The Hebrew University-Hadassah, P.O. Box 12272, Jerusalem, 91120, Israel.) |
| Abstract | Insoluble antibacterial cationic nanoparticles have been previously shown to have potent and long-lasting antibacterial properties. Our tested hypothesis was that root canal pathogens will be attracted to and eliminated when exposed to epoxy resin-based surfaces incorporating cationic nanoparticles. In our research, an epoxy resin-based surface incorporating quaternary ammonium polyethyleneimine (QPEI) nanoparticles was evaluated. Surface characterization was performed using atomic force microscopy and X-ray photoelectron spectra. The surface anti-Enterococcus faecalis effect was evaluated in an anti-gravitational model. Cell membrane potential, viability, biofilm thickness, and biomass were tested using flow cytometry and confocal laser scanning microscopy. Additionally, the antibiofilm activity of the bacterial supernatant was assessed. The surface characterization showed QPEI nanoparticle embedment on the modified sealer. The epoxy resin-based surface incorporating the QPEI nanoparticles actively attracted bacteria, causing membrane destabilization, and bacterial death. The supernatant of bacteria pre-exposed to QPEI showed an antibacterial effect. In conclusion, the tested epoxy resin-based surface incorporating QPEI nanoparticles traps and kills bacteria. The nanoparticles attracted bacteria, reducing their viability, and promoting cell death. |
| File Format | HTM / HTML |
| ISSN | 15493296 |
| Issue Number | 2 |
| Volume Number | 104 |
| e-ISSN | 15524965 |
| Journal | Journal of Biomedical Materials Research Part A |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2016-02-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Enterococcus Faecalis Humans Pharmacology Microbial Viability Drug Effects Journal Article Discipline Biomedical Engineering Nanoparticles Chemistry Biofilms Physiology Root Canal Filling Materials Resins, Synthetic |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ceramics and Composites Metals and Alloys Biomaterials Biomedical Engineering |
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