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Zn and Ag Doping on Hydroxyapatite: Influence on the Adhesion Strength of High-Molecular Polymer Polycaprolactone
- Authors
- Song, Jiaming; Li, Xuehan; Cui, Naiyu; Lu, Xinyue; Yun, Jiahao; Huang, Qixuan; Sun, Yunhan; Lee, Eui-Seok; Jiang, Hengbo
- Issue Date
- Mar-2022
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- hydroxyapatite; polycaprolactone; ionic doping; adhesion strength; density functional theory
- Citation
- Molecules, v.27, no.6
- Indexed
- SCIE
SCOPUS
- Journal Title
- Molecules
- Volume
- 27
- Number
- 6
- ISSN
- 1420-3049
- Abstract
- In this study, density functional theory was employed to calculate the adsorption of polycaprolactone (PCL) by pure hydroxyapatite (HA), Zn-doped HA, and Ag-doped HA, and the interaction of PCL on the surface of HA (001) was simulated. The results show that there was significant electron transfer between the carbonyl O in PCL and the Zn, Ag, and Ca in HA, forming coordinate bonds. The binding energies of Ag-doped HA/PCL and Zn-doped HA/PCL were much higher than those of HA/PCL. HA doped with Ag had the highest binding energy to PCL. Therefore, we believe that when HA is doped with Ag atoms, its adsorption capacity for PCL can be increased. The results obtained in this study can be used as a guide for the development of HA/PCL bone graft composite material doped with appropriate metal ions to improve its adsorption capacity.
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Related Researcher
- Lee, Eui Seok
- Guro Hospital (Department of Oral and Maxillofacial Surgery, Guro Hospital)