Citation: Shi Bin WANG, Yuan Gang LIU, Lian Jin WENG, Xiao Jun MA. Effect of Sodium Alginate Concentration on Membrane Strength and Permeating Property of Poly-l-arginine Group Microcapsule[J]. Chinese Chemical Letters, ;2004, 15(7): 849-852. shu

Effect of Sodium Alginate Concentration on Membrane Strength and Permeating Property of Poly-l-arginine Group Microcapsule

1.
College of Materials Science and Engineering, Huaqiao University, Quanzhou 362011;
2.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023

Received Date: 2 July 2003

Fund Project: Financial supports from the National Natural Science Foundation of China (grant No.39800040) and Fujian Natural Scientific Foundation of China (grantNo. E0310022, C9910005 and F99008) are gratefully acknowledged.

A novel poly-l-arginine microcapsule was prepared due to its nutritional function and pharmacological efficacy. A high-voltage electrostatic droplet generator was used to make uniform microcapsules. The results show that the membrane strength and permeating property are both remarkably affected with the changes of sodium alginate concentration. With the sodium alginate concentration increasing, gel beads sizes increase from 233μm to 350μm, release ratio is also higher at the same time, but the membrane strength decreases.
- Poly-l-arginine,
- microcapsule,
- sodium alginate,
- membrane strength,
- release
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