Metal-doped bioceramic nanopowders with tunable structural properties aimed at enhancing bone density: Rapid synthesis and modeling

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@Article{JIA:2020:CI,

• author = "Bin Jia and Dingjun Hao and Feng Qiao and Xiaoqing Zhou and Yuming Zhang and Mohsen Mesbah and Alireza Fallahpour and Bahman Nasiri-Tabrizi and Tao Wang",
• title = "Metal-doped bioceramic nanopowders with tunable structural properties aimed at enhancing bone density: Rapid synthesis and modeling",
• journal = "Ceramics International",
• year = "2020",
• ISSN = "0272-8842",
• DOI = "doi:10.1016/j.ceramint.2020.07.301",
• URL = "http://www.sciencedirect.com/science/article/pii/S027288422032318X",
• keywords = "genetic algorithms, genetic programming, Metal-doped bioceramic, Nanoparticles, Rapid mechanosynthesis, Structural features, Cytotoxicity assay, Modeling",
• abstract = "Metal doped bioceramic nanopowders were prepared by solid-state mechanochemical reactions. Also, genetic programming (GP) and gene expression programming (GEP) models were developed to predict the structural features of the mechanosynthesized nanopowders aimed at developing an innovative solution to enhance bone mineral density. The substitution of Ca2+ with different ions in the apatite structure was confirmed from chemical analysis and structural assessment, where irregular changes in the lattice parameters and unit cell volume were observed due to the replacement of the Ca2+ bivalent cation with monovalent, bivalent or trivalent ions as well as the carbonate ions effects on the apatite lattice. It was found that the crystallite size and micro-strain of the substituted bioceramics were between ~11 and 98 nm and ~0.31-2.49percent, respectively. From the functional group analysis, the intensity of the hydroxyl groups decreased as the dopant content increased. The electron microscopy images showed that both undoped and low-doped samples consist of spheroidal particles in the nano regime, whereas the high-doped specimens exhibited a high propensity to agglomerate. The results of cytotoxicity assays corroborated that appropriate ionic substitution can prevent the toxic effects of Li on Mus musculus fibroblast cells, and thus by increasing dopant concentration up to z = 0.25, cell viability of around 90percent was observed. The results obtained from the modeling demonstrated that both GP and GEP methods are reliable in predicting the structural properties of the synthetic metal-doped bioceramic nanopowders",

}

Genetic Programming entries for Bin Jia Dingjun Hao Feng Qiao Xiaoqing Zhou Yuming Zhang Mohsen Mesbah Alireza Fallahpour Bahman Nasiri-Tabrizi Tao Wang

Citations