In the study of the development of wood / hydroxyapatite composite materials as biomaterials, the Environmental Materials Laboratory of the Institute of Technical Biology, Chinese Academy of Sciences Hefei Institute of Material Science found that after deposition precursors and hydrothermal treatment, hydroxyapatite can be effectively deposited on the wood surface And the two are tightly combined. This method is simple and easy to use, provides new methods and ideas for the preparation of new biomaterials based on biomass, and makes such materials have potential value as bone replacement materials.
In recent years, biomass composite materials have received increasing attention. Common bone replacement materials mainly include metal materials, polymer materials, ceramic materials and composite materials. Because the composite material overcomes the shortcomings of a single material, such as poor biocompatibility of metal materials and polymer materials, greater brittleness of ceramic materials, and combines the advantages of different materials, so that its performance is more superior.
In order to develop a new type of biocomposite, Wang Ning, a master student in the Environmental Materials Laboratory of the Institute of Technical Biology, under the guidance of his supervisor Wu Zhengyan, selected wood as the substrate and prepared wood / hydroxyapatite composite biomaterials through experimental exploration. As the most important biomass material, wood has the characteristics of porosity, good biocompatibility and excellent mechanical properties. These characteristics are similar to human bone tissue, so it can be used as a substitute for bone tissue. Researchers of the Institute of Technology and Biology successfully deposited hydroxyapatite on the surface of wood by pretreating wood, depositing precursors and hydrothermal treatment, successfully prepared wood / hydroxyapatite composite biomaterials, and related physiological experiments will be carried out later .
This material combines the advantages of wood and hydroxyapatite, and is expected to become a biological material with application value.
This work has recently been officially accepted by Applied Surface Science, a mainstream journal in the field of surface materials, and related technologies have applied for national invention patents.
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