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Citation: LIANG Zhi-Hong, ZHOU Chang-Ren, ZHANG Zi-Yong, LI Li-Hua, WANG Bin. Microstructure of Collagen and Chitosan Blend Films[J]. Chinese Journal of Applied Chemistry, ;2005, 22(4): 451-453. shu

Microstructure of Collagen and Chitosan Blend Films

1.
a Experiment and Technology Center, Ji'nan University, Guangzhou 510632;
2.
b Department of Chemistry, Ji'nan University, Guangzhou 510632

Corresponding author: LIANG Zhi-Hong,
Received Date: 29 June 2004
Available Online: 30 September 2004
Fund Project: 国家"八六三"项目(2001AA625050) (2001AA625050)广东省"十五"重大专项及重点项目(A302020104)资助项目 (A302020104)

Collagen and chitosan was dissolved acetic acid in a concentration of 4 g/L (w/v),respec-tively.The mixtures of collagen and chitosan with the mass ratios of 1:3,1:1,3:1(collagen:chitosan) were cast into blend films and examined by AFM.The results suggest that an interpenetrating polymeric network was formed in collagen and chitosan blend films,which differed from the tight network of collagen fiber (100~400 nm) in pure collagen film,or the linear pure chitosan film in structure.With the increase of chitosan content the collagen fiber bunches loosened and the holes were filled by chitosan particles.
- eollagen,
- ehitosan,
- blending film,
- Atomie Foree Mieroseopy(AFM)
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