Dental enamel-like hydroxyapatite whiskers with high crystallinity and homogeneous morphology were synthesized by a hydrothermal homogeneous precipitation method. The composition,crystallinity and morphology of prepar...Dental enamel-like hydroxyapatite whiskers with high crystallinity and homogeneous morphology were synthesized by a hydrothermal homogeneous precipitation method. The composition,crystallinity and morphology of prepared hydroxyapatite whiskers were characterized by X-ray diffraction and scanning electron microscopy.The effects of urea and sorbitol on their morphology and composition were investigated. Homogeneous and well crystallized enamel-like hydroxyapatite whiskers with 1. 17± 0. 08 μm in length and 84± 14 nm in width were obtained at 0. 80 mol·L-1urea and 0. 26 mol·L-1sorbitol. These hydroxyapatite whiskers may be close to nature hydroxyapatite dental enamel in terms of the morphology and composition,suggesting that they could have potential application as dental restorative materials in the field of stomatology.展开更多
基金Sponsored by the Fundamental Research Funds for the Central Universities(Grant No.HIT.NSRIF.2010066)the Natural Science Foundation of Heilongjiang Province(Grant No.E201006)the Key Scientific and Technological Projects of Heilongjiang Province(Grant No.GC10A107)
文摘Dental enamel-like hydroxyapatite whiskers with high crystallinity and homogeneous morphology were synthesized by a hydrothermal homogeneous precipitation method. The composition,crystallinity and morphology of prepared hydroxyapatite whiskers were characterized by X-ray diffraction and scanning electron microscopy.The effects of urea and sorbitol on their morphology and composition were investigated. Homogeneous and well crystallized enamel-like hydroxyapatite whiskers with 1. 17± 0. 08 μm in length and 84± 14 nm in width were obtained at 0. 80 mol·L-1urea and 0. 26 mol·L-1sorbitol. These hydroxyapatite whiskers may be close to nature hydroxyapatite dental enamel in terms of the morphology and composition,suggesting that they could have potential application as dental restorative materials in the field of stomatology.
基金supported by the Ministry of Science and Technology,China(No.SQ2015IM3600010)the Fundamental Research Funds for the Central Universities(No.2016XZZX001-09),China
基金supported by the Sino-German Joint Research Project(No.GZ932)the Key Projects in the National Science&Technology Pillar Program during the Twelfth Five-year Plan Period(No.2014BAA 03B04)the Wuxi Science and Technology Department Funds(No.CLE01N1408),China