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金属学报  2008, Vol. 44 Issue (12): 1485-1490    
  论文 本期目录 | 过刊浏览 |
氟离子注入纯Ti表面改性对成骨细胞I型胶原形成和表达的影响
刘慧颖1;2;王学金3;王浪平4;王小峰4;艾红军1
1.中国医科大学口腔医学院口腔修复科
2.大连医科大学口腔医学院口腔修复科
3.大连大学附属中山医院口腔科
4.哈尔滨工业大学现代焊接生产技术国家重点实验室
INFLUENCE OF SURFACE MODIFICATION OF Ti BY FLUORINE ION-IMPLANTATION ON FORMATION AND EXPRESSION OF COLLAGEN-I ON OSTEOBLAST
LIU Huiying1;2;WANG Xuejin3;WANG Langping4;WANG Xiaofeng4;AI Hongjun1
1.Department of Prosthodontics; School of Stomatology; China Medical University
2.Department of Prosthodontics; School of Stomatology; Dalian Medical University
3.Department of Stomatology; Affiliated Zhongshan Hospital of Dalian University
4.State Key Laboratory of Advanced Welding Production Technology; Harbin Institute of Technology
引用本文:

刘慧颖 王学金 王浪平 王小峰 艾红军. 氟离子注入纯Ti表面改性对成骨细胞I型胶原形成和表达的影响[J]. 金属学报, 2008, 44(12): 1485-1490.
, , , , . INFLUENCE OF SURFACE MODIFICATION OF Ti BY FLUORINE ION-IMPLANTATION ON FORMATION AND EXPRESSION OF COLLAGEN-I ON OSTEOBLAST[J]. Acta Metall Sin, 2008, 44(12): 1485-1490.

全文: PDF(1080 KB)  
摘要: 

应用等离子体浸没离子注入装置对纯Ti表面进行氟离子注入, 通过SEM和XPS分析研究材料的表面形貌和化学组成. 将MG-63成骨细胞接种于氟离子注入前、后的 Ti样品表面, 采用激光共聚焦显微镜观察材料表面对成骨样细胞MG-63 I型胶原形成的影响; 逆转录聚合酶链反应检测I型胶原mRNA的表达; 蛋白印迹法检测I型胶原蛋白的表达. 结果表明, 氟离子注入后Ti样品表面新出现TiF3; 且MG-63细胞在其表面分别培养6, 24和48 h后, I型胶原的形成和表达均明显高于纯Ti表面. 含氟表面改性层可提高Ti材料的生物相容性.

关键词 等离子体浸没离子注入Ti氟离子成骨细胞Ⅰ型胶原    
Abstract

Commercial pure Ti discs were fluorine ion-implanted by plasma immersion ion implantation technique, and the morphology and chemical composition of the modified surface layers were characterized by SEM and XPS, respectively. MG-63 cells were seeded on the surfaces of modified Ti discs in 24-well cell culture plates at a density of 2x10 4 mL-1 and examined by the molecular biology technique for 6, 24 and 48 h. It was confirmed by immunofluorescent staining that the formation of collagen-I on the implanted Ti was significantly more than that on the pure Ti. Furthermore, the reverse transcription polymerase chain reaction and Western blotting showed that the expressions of mRNA and protein of collagen--I on the implanted Ti were fairly greater than those on the pure Ti. It can be concluded that the modified surface containing fluorine is beneficial to improve the biocompatibility of Ti.

Key wordsPlasma Immersion Ion Implantation    Ti    fluoride ion    osteoblast    collagen-1
收稿日期: 2008-01-11     
ZTFLH: 

TG146

 
基金资助:

辽宁省教育厅资助项目05L481

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