Acta Phys. -Chim. Sin. ›› 2014, Vol. 30 ›› Issue (2): 365-370.doi: 10.3866/PKU.WHXB201312091

• CATALYSIS AND SURFACE SCIENCE • Previous Articles     Next Articles

Determination of Apparent Drug Permeability Coefficients through Chitosan-Sodium Cellulose Sulfate Polyelectrolyte Complex Films

ZHU Li-Ying1,2, YAN Xiao-Qin1, ZHANG Hong-Man1, LIN Dong-Qiang2, YAO Shan-Jing2, JIANG Ling3   

  1. 1 College of Sciences, Nanjing University of Technology, Nanjing 211816, P. R. China;
    2 Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P. R. China;
    3 College of Food Science and Light Industry, Nanjing University of Technology, Nanjing 211816, P. R. China
  • Received:2013-10-06 Revised:2013-12-09 Published:2014-01-23
  • Contact: YAO Shan-Jing, JIANG Ling;
  • Supported by:

    The project was supported by the Natural Science Foundation of Jiangsu Province, China (BK20131406, BK20130917) and National Natural Science Foundation of China (21106064).


The permeability coefficient is a fundamental parameter for devices exploiting the controlled drugrelease behavior of films composed of chitosan and sodium cellulose sulfate (NaCS). Here, the transport of two model drugs with different solubilities, i.e., paracetamol and 5-aminosalicylic acid (5-ASA), was studied. The results showed that the permeability of the chitosan/NaCS film was closely related to the swelling properties. In addition, both the permeability and swelling properties of the chitosan/NaCS film were significantly influenced by the mass ratio of chitosan to NaCS, the molecular weights (Mw) of chitosan and NaCS, and the pH value. The permeability of paracetamol across the film was also investigated in simulated gastrointestinal solutions in in vitro tests. The results showed that the films have gastro-, intestine-, and colon-targeting drugrelease properties when they are exposed to simulated gastrointestinal fluids in sequence.

Key words: Polyelectrolyte complex film, Chitosan, Sodium cellulose sulfate, Swelling, Permeability, Controlled drug release


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