生物型柠檬酸钙骨水泥的研制及抗压强度和生物相容性评价
目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础。方法 利用天然牡蛎壳,制备生物型柠檬酸钙骨水泥,检测该材料的抗压强度,扫描电镜观察其表面形态,测定其在模拟体液中的钙离子释放曲线和pH值变化,并通过细胞毒性试验检测其生物相容性。结果 选择0.33mL/g液固比所生成的柠檬酸钙骨水泥抗压强度最大,此时材料的晶体结构均一有序。pH值测定提示柠檬酸钙骨水泥降解吸收过程中并不明显改变体液的pH值,随着材料的逐渐降解,溶液中Ca^2＋浓度逐渐增大。细胞毒性实验表明该材料生物相容性良好,无明显细胞毒性。结论 生物型柠檬酸钙骨水泥材料抗压...
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| Published in | 西安交通大学学报（医学版） Vol. 38; no. 5; pp. 674 - 678 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安交通大学第一附属医院骨科,陕西西安,710061%西安交通大学医学部基础医学院生理学与病理生理学系,陕西西安,710061
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-8259 |
| DOI | 10.7652/jdyxb201705010 |
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| Abstract | 目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础。方法 利用天然牡蛎壳,制备生物型柠檬酸钙骨水泥,检测该材料的抗压强度,扫描电镜观察其表面形态,测定其在模拟体液中的钙离子释放曲线和pH值变化,并通过细胞毒性试验检测其生物相容性。结果 选择0.33mL/g液固比所生成的柠檬酸钙骨水泥抗压强度最大,此时材料的晶体结构均一有序。pH值测定提示柠檬酸钙骨水泥降解吸收过程中并不明显改变体液的pH值,随着材料的逐渐降解,溶液中Ca^2＋浓度逐渐增大。细胞毒性实验表明该材料生物相容性良好,无明显细胞毒性。结论 生物型柠檬酸钙骨水泥材料抗压强度大,生物相容性良好,可形成局部弱碱性、高钙微环境。 |
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| AbstractList | 目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础。方法 利用天然牡蛎壳,制备生物型柠檬酸钙骨水泥,检测该材料的抗压强度,扫描电镜观察其表面形态,测定其在模拟体液中的钙离子释放曲线和pH值变化,并通过细胞毒性试验检测其生物相容性。结果 选择0.33mL/g液固比所生成的柠檬酸钙骨水泥抗压强度最大,此时材料的晶体结构均一有序。pH值测定提示柠檬酸钙骨水泥降解吸收过程中并不明显改变体液的pH值,随着材料的逐渐降解,溶液中Ca^2＋浓度逐渐增大。细胞毒性实验表明该材料生物相容性良好,无明显细胞毒性。结论 生物型柠檬酸钙骨水泥材料抗压强度大,生物相容性良好,可形成局部弱碱性、高钙微环境。 R738; 目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础.方法 利用天然牡蛎壳,制备生物型柠檬酸钙骨水泥,检测该材料的抗压强度,扫描电镜观察其表面形态,测定其在模拟体液中的钙离子释放曲线和pH值变化,并通过细胞毒性试验检测其生物相容性.结果 选择0.33mL/g液固比所生成的柠檬酸钙骨水泥抗压强度最大,此时材料的晶体结构均一有序.pH值测定提示柠檬酸钙骨水泥降解吸收过程中并不明显改变体液的pH值,随着材料的逐渐降解,溶液中Ca2+浓度逐渐增大.细胞毒性实验表明该材料生物相容性良好,无明显细胞毒性.结论 生物型柠檬酸钙骨水泥材料抗压强度大,生物相容性良好,可形成局部弱碱性、高钙微环境. |
| Abstract_FL | Objective To produce the biological calcium citrate cement with fresh oyster shells, and investigate its compressive strength and biocompatibility so as to provide the experimental basis for clinical application of the material.Methods The compressive strength of biological calcium citrate cement was measured and its surface morphology was observed by SEM.The calcium release curve and pH value were measured in the simulated body fluid.Last, its biocompatibility was detected by cytotoxicity test.Results Biological calcium citrate cement produced by 0.33mL/g liquid solid ratio had the maximum compressive strength, and the crystal structure of the material was uniform and orderly.The determination of pH value showed that the degradation and absorption of biological calcium citrate cement did not significantly change the pH value of the body fluid.With gradual degradation of the material, the concentration of Ca2+ in the solution increased gradually.Cytotoxicity test showed that this material had good biocompatibility and no cytotoxicity.Conclusion Biological calcium citrate cement possesses strong compressive strength and good biocompatibility, and it can form a microenvironment with low in alkaline and high in calcium. |
| Author | 戴星 蔡青春 郭池华 韩学哲 马巍 姚璐 |
| AuthorAffiliation | 西安交通大学第一附属医院骨科,陕西西安710061 西安交通大学医学部基础医学院生理学与病理生理学系,陕西西安710061 |
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| Author_FL | CAI Qing-chun YAO Lu DAI Xing GUO Chi-hua MA Wei HAN Xue-zhe |
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| Keywords | bone cement 生物相容性 biocompatibility 柠檬酸钙 α-磷酸三钙 骨水泥 calcium citrate α-TCP |
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| Notes | calcium citrate; α-TCP; bone cement; biocompatibility Objective To produce the biological calcium citrate cement with fresh oyster shells, and investigate its compressive strength and biocompatibility so as to provide the experimental basis for clinical application of the material. Methods The compressive strength of biological calcium citrate cement was measured and its surface morphology was observed by SEM. The calcium release curve and pH value were measured in the simulated body fluid. Last, its biocompatibility was detected by cytotoxicity test. Results Biological calcium citrate cement produced by 0.33 mL/g liquid solid ratio had the maximum compressive strength, and the crystal structure of the material was uniform and orderly. The determination of pH value showed that the degradation and absorption of biological calcium citrate cement did not significantly change the pH value of the body fluid. With gradual degradation of the material, the concentration of Ca^2＋ in the solution increased gradually. Cy |
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| Publisher | 西安交通大学第一附属医院骨科,陕西西安,710061%西安交通大学医学部基础医学院生理学与病理生理学系,陕西西安,710061 |
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| Snippet | 目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础。方法 利用天然牡蛎壳,制备生物型柠檬酸钙骨水... R738; 目的 选择新鲜牡蛎壳为原料,制备生物型柠檬酸钙骨水泥,探讨其抗压强度和生物相容性,为临床上应用该材料提供初步的实验基础.方法 利用天然牡蛎壳,制备生物型柠檬酸钙... |
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| SubjectTerms | α-磷酸三钙 柠檬酸钙 生物相容性 骨水泥 |
| Title | 生物型柠檬酸钙骨水泥的研制及抗压强度和生物相容性评价 |
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