通过原位聚合的方法将官能化碳纳米管引入聚氨酯中制备了聚氨酯/碳纳米管复合材料(PU/MWNTs),并对其物理学性能和生物学功能进行了研究.通过差示扫描量热法和拉伸性能测试对材料的基本性能进行了研究;通过血小板黏附实验评价了复合材料的生物学性能.结果表明,PU/MWNTs材料的玻璃化温度升高、力学性能得到了提高,碳纳米管(CNTs)的加入使复合材料显示出与聚氨酯基体材料不同的血小板吸附行为,尽管MWNTs的增加明显促进了纤维蛋白原的吸附,但PU/MWNTs表现出对血小板黏附和活化有抑制作用.
参考文献
[1] | Sumio Iijima .Helical microtubes of graphitic carbon[J].Nature,1991,354:56. |
[2] | Philip G Collins;Zettl A;Hiroshi Bando et al.Nanotube nanodevice[J].Science,1997,278:100. |
[3] | Frackowiak E.;Gautier S.;Gaucher H.;Bonnamy S.;Beguin F. .Electrochemical storage of lithium multiwalled carbon nanotubes[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(1):61-69. |
[4] | Zheng W P;Zu R D;Zhong L W .Nanobelts of semiconducting oxides[J].Science,2001,291:1947. |
[5] | Ray H Baughman;Anvar A Zakhidov;Walt A de Heer .Carbon nanotubes --the route toward applications[J].Science,2002,297:787. |
[6] | Jing K et al.Nanotube molecular wires as chemical sensors[J].Science,2000,287:622. |
[7] | Ali SR;Ma YF;Parajuli RR;Balogun Y;Lai WYC;He HX .A nonoxidative sensor based on a self-doped polyaniline/carbon nanotube composite for sensitive and selective detection of the neurotransmitter dopamine[J].Analytical chemistry,2007(6):2583-2587. |
[8] | Alberto Bianco;Maurizio Prato .Can Carbon Nanotubes Be Considered Useful Tools for Biological Applications[J].Advanced Materials,2003(20):1765-1768. |
[9] | Ravi Singh;Davide Pantarotto;David McCarthy;Olivier Chaloin;Johan Hoebeke;Charalambos D.Partidos;Jean-Paul Briand;Maurizio Prato;Alberto Bianco;Kostas Kostarelos .Binding and Condensation of Plasmid DNA onto Functionalized Carbon Nanotubes:Toward the Construction of Nanotube-Based Gene Delivery Vectors[J].Journal of the American Chemical Society,2005(12):4388-4396. |
[10] | Mohammad Moniruzzaman;Karen I Winey .Polymer nanocomposites containing carbon nanotubes[J].Macromolecules,2006,39:5194. |
[11] | Hilmar Koemer et al.Remotely actuated polymer nanocomposites-stress-recovery of carbon-nanotube-filled thermoplastic elastomers[J].Nature Materials,2004,3:115. |
[12] | 杨应奎,毛联波,周兴平,解孝林,Mai Yiu-Wing.碳纳米管在聚合物基体中的分散与有序排列研究--(Ⅱ)碳纳米管在聚合物基体中的有序排列[J].高分子材料科学与工程,2005(06):50-54. |
[13] | Cadek M;Coleman J N;Ryan K P et al.Reindorcement of polymers with carbon nanotubes:The role of nanotube surface area[J].Nano Letters,2004,4(02):353. |
[14] | P. J. F. Harris .Carbon nanotube composites[J].International Materials Reviews,2004(1):31-43. |
[15] | Li D;Chen H;Glenn McClung W .Lysine-PEG-modified polyurethane as a fibrinolytic surface: Effect of PEG chain length on protein interactions, platelet interactions and clot lysis.[J].Acta biomaterialia,2009(6):1864-1871. |
[16] | Taolei Sun;Hong Tan;Dong Han;Qiang Fu;Lei Jiang .No Platelet Can Adhere—Largely Improved Blood Compatibility on Nanostructured Superhydrophobic Surfaces[J].Small,2005(10):959-963. |
[17] | Gavin Jell;Raquel Verdejo;Laleh Safinia .Carbon nanotube-enhanced polyurethane scaffolds fabricated by thermally induced phase separation[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2008(16):1865-1872. |
[18] | 陈诗书.医学生物化学[M].北京:科学出版社,2004:335. |
[19] | 许海燕,孔桦,蔺嫦燕,李冰一.聚氨酯基纳米碳复合材料表面的血液相容性研究[J].中国医学科学院学报,2002(02):114-117. |
[20] | Rolando Barbucci;Stefania Lamponi;Agnese Magnani .Fibrinogen Conformation and Platelet Reactivity in Relation to Material-Blood Interaction:Effect of Stress Hormones[J].Biomacromolecules,2003(6):1506-1513. |
[21] | Kyoung S J;Hyung DP;Ki Dong P et al.Heparin conjugated polylactide as a blood compatible material[J].Biomacromolecules,2004,5:1877. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%