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单晶硅阳极氧化层表面骨状磷灰石的体外诱导沉积

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Abstract:

在磷酸钠碱性电解质中对单晶硅(100)进行阳极氧化处理,并将阳极氧化处理后的样品在模拟体液(simulatedbodyfluid,SBF)中浸泡以考察其体外诱导骨状磷灰石沉积能力。用扫描电子显微镜观测体外浸泡前后样品的表面形貌,用电子能谱仪和X射线衍射仪研究阳极氧化后与体外浸泡不同时间后样品表面的成分。结果表明单晶硅在10%的磷酸钠电解质中于5~20mA/cm2阳极氧化后,其表面原位形成火山口状结构,在SBF中浸泡1d后有磷灰石在单晶硅的阳极氧化层表面成核,浸泡6d后诱导形成了纳米骨状缺钙磷灰石层,体现出良好的体外诱导活性,表明阳极氧化处理是一种有希望应用于改善生物学与医学用单晶硅表面生物相容性的有效途径。

References

[1]  BESSUEILLE F,DUGAS V,VIKULOV V,et al.Assessment of porous silicon substrate for well-characterised sensitive DNA chip implement[J].Biosens Bioelectron,2005,21(6):908-916. [2]ARCHERA M,CHRISTOPHERSEN M,FAUCHETA P M.Electrical porous silicon chemical sensor for detection of organic solvents[J].Sens Actuators B,2005,106(1):347-357. [3]SUET P L,KERYN A,WILLIAMS B,et al.Evaluation of mammalian cell adhesion on surface-modified porous silicon[J].Biomaterials,2006,27(26):4538-4546. [4]BHARAT B,DHARMA R T,MATTHEW T K,et al.Morphology and adhesion of biomolecules on silicon based surfaces[J].Acta Biomate-rialia,2005,1(3):327-341. [5]ZAIRIA S,MARTELET C,JAFFREZIC R N,et al.Porous silicon a transducer material for a high-sensitive biochemical sensor:effect of a porosity,pores morphologies and a large surface area on a sensitivity[J].Thin Solid Films,2001,383(1/2):325-327. [6]LIU X Y,FU R K Y,POON R W Y,et al.Biomimetic growth of apatite on hydrogen-implanted silicon[J].Biomaterials,2004,25(6):5575-5581. [7]CHEN S,ZHU Z,ZHU J,et al.Hydroxyapatite coating on porous silicon substrate obtained by precipitation process[J].Appl Surf Sci,2004,230(1/4):418-424. [8]MIGUEL M,MICHEL L,CARMEN J J.Hydroxyapatite coatings obtained by the thermal activation of polymeric sols[J].Int J Inorgan Mater,2001,3(8):1153-1155. [9]VLADIMIR V S,JEFFERY L C.Bias-assisted in vitro calcification of calcium disilicide growth layers on spark-processed silicon[J].Biomaterials,2006,27(20):3726-3737. [10]SEAL S,BARR T L,KREZOSKI S,et al.Surface modification of silicon and silica in biological environment:an X-ray photoelectron spectroscopy study[J].Appl Surf Sci,2001,173(3/4):339-351. [11]吴振军,何莉萍,陈宗璋,等.不同电解质制备多孔阳极化Al2O3的形貌与间接诱导形成钙磷涂层的能力[J].硅酸盐学报,2004,32(9):1178-1183.WU Zhenjun,HE Liping,CHEN Zongzhang,et al.J Chin Ceram Soc(in Chinese),2004,32(9):1178-1183. [12]章小鸽.硅及其氧化物的电化学—表面反应、结构和微加工[M].张俊喜,等译.北京:化学工业出版社,2004:116-311.ZHANG Xiaoge.Electrochemistry of Silicon and Its Oxide(in Chi-nese).ZHANG Junxi,et al,transl.Beijing:Chemical Industry Press,2004:116-311. [13]TSURU K,KUBO M,HAYAKAWA S,et al.Kinetics of apatite depo-sition of silica gel dependent on the inorganic ion composition of simulated body fluids[J].J Ceram Soc Jpn,2001,109(5):412-418. [14]俞耀庭,张兴栋.生物医用材料[M].天津:天津大学出版社,2000:116-172.YU Yaoting,ZHANG Xingdong.Bio-medical Materials(in Chinese).Tianjing:Tianjing University Press,2000:116-172. [15]山口乔,柳田博明,牧岛亮男,等.生物陶瓷[M].窦筠,译.北京:化学工业出版社,1992:1-69.SHANKOU qiao,LIUTIAN Boming,MUDAO Liangnan,et al.Bio-ceramics(in Chinese).DOU Jun,transl.Beijing:Chemical Industry Press,1992:1-69.

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