Objective To study the effects of phosphate on guanidine denaturation of human placental alkaline phosphatase (HPAP) and provide a theoretical basis for flexibility hypothesis of enzyme active sites.
目的观察磷酸盐对人胎盘碱性磷酸酶(HPAP)胍变性的影响，为酶活性部位的柔性理论提供证据。
The results showed that the catalyst, with calcium phosphate as the main part, is active and selective in the splitting of acetal.
实验结果表明：以磷酸钙为主体的催化剂对缩醛裂解反应具有较高的活性和选择性。
Histological results showed the formation of osteoid and the deposition of calcium phosphate was more active in the test group than that of control group.
组织学结果显示，与对照组相比，实验组试样表面类骨质、钙磷盐的沉积更加活跃。
Calcium phosphate cements (CPC) are used for bone defect filling and may also be used as delivery systems for active agents.
载药磷酸钙骨水泥是一种集骨修复和局部药物缓释于一体的新型硬组织修复材料。
Calcium phosphate cements (CPC) are used for bone defect filling and may also be used as delivery systems for active agents.
载药磷酸钙骨水泥是一种集骨修复和局部药物缓释于一体的新型硬组织修复材料。
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