1) calcium deficient hydroxyapatite
缺钙羟基磷灰
1.
Rapid synthesis of calcium deficient hydroxyapatite with different Ca/P ratio was done by precipitation using calcium nitrate and phosphoric acid and subsequently subjecting to microwave irradiation.
通过微波辐射硝酸钙和磷酸的共沉淀物可以快速合成不同Ca/P比的缺钙羟基磷灰石,利用FT-IR、FT-Raman和XRD对产物进行了表征,EDS测定Ca/P比,TEM观察其形貌。
3) calcium-deficient apatite(CDHA)
缺钙型羟基磷灰石
4) nano calcium deficient hydroxyapatite
纳米缺钙羟基磷灰石
1.
To improve the hydrophilicity and to avoid sharp pH decrease during the degradation of polylactic acid/biphasic calcium phosphate ceramics(PLA/BCP) scaffold in solution,nano calcium deficient hydroxyapatite/polylactic acid/biphasic calcium phosphate(nano-dHA/PLA/BCP) scaffold was prepared by immersing as-sintered porous BCP scaffold in nano-dHA/PLA mixed solution followed by vacuum drying.
为改善常规的多孔聚乳酸/双相钙磷陶瓷(PLA/BCP)支架表面亲水性不佳及降解时呈酸性等不足,采用马弗炉烧结制备的BCP多孔支架浸入纳米缺钙羟基磷灰石/聚乳酸(nano-dHA/PLA)混悬液后,真空干燥得到多孔纳米缺钙羟基磷灰石/聚乳酸/双相钙磷陶瓷(nano-dHA/PLA/BCP)复合支架,利用万能测试机测试支架抗压强度,阿基米德法测定支架孔隙率,扫描电子显微镜(SEM)观察支架表面形貌,并对其保水率和体外降解过程中pH值的变化情况等进行了研究。
5) cadmium-calcium hydroxyapatite
镉-钙羟基磷灰石
1.
In our present study,cadmium-calcium hydroxyapatite(Cd-CaHap)solid solutions were successfully synthesized by solution method.
通过XRD、FT-IR和SEM等方法对采用液相化学反应法合成的镉-钙羟基磷灰石(cadmium-calcium hydroxyapatite,Cd-CaHap)连续固溶体进行分析,结果表明:Cd-CaHap中没有杂质相存在,是纯的固溶体晶须。
6) HA/TCP
羟基磷灰石/磷酸三钙
1.
Objective To construct a tissue-engineering muscle pedicel bone graft by culture marrow cells combined with biodegradable polymeric scoffolds(HA/TCP) which be used to repairing a segmental of long bone.
目的探索用羟基磷灰石/磷酸三钙(HA/TCP)的支架材料与成骨细胞复合构成组织工程性肌骨瓣的方法,为修复骨缺损奠定基础。
2.
Osteoblasts were co-cultured with HA/TCP、recombined osteogenic growth peptide(ROGP) for 14 days in vitro.
然后将第3代细胞与羟基磷灰石/磷酸三钙(HA/TCP)、重组骨生长肽结合,共同培养14d后,经相差显微镜、扫描电镜观察体外细胞的生长情况,最后分别将72块复合物植入36只白兔的双侧背阔肌中,构成组织工程骨肌皮瓣。
3.
Objective To construct a tissue-engineeres muscle pedicel bone graft by culture marrow cells combined with biodegradable polymeric scoffolds(HA/TCP) which be used to repairing a segmental of long bone.
目的探索用羟基磷灰石/磷酸三钙(HA/TCP)的支架材料与成骨细胞复合构成组织工程性肌骨瓣修复骨缺损的能力。
补充资料：缺钙
缺钙
血清钙离子低于人体正常值水平。常见于小儿，如维生素D缺乏性佝偻病早期、甲状旁腺功能减退、碱中毒等。当血清钙低于7.5mg／dl或离子钙低于4mg／dl时，神经肌肉兴奋性增高而引起惊厥或局部肌肉抽搐，如婴儿手足搐搦症，由于喉部肌肉痉挛，甚至可造成窒息死亡。此外，严重缺钙可导致心肌收缩力减弱，甚至引起心律失常等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条