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Chemcial Industry and Engineering 2008, Vol. 25 Issue (3) :215-219    DOI:
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Preparation of Chitosan-Gelatin Drug Loading Microshpere and Its Release Characteristics
YAO Fang-lian,YU Xiao,ZHOU Yu-tao(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract A chitosan-gelatin drug-loaded microsphere with controlled release characteristic was prepared from chitosan and gelatin by emulsion coagulation method.Microspheres loaded with different quantity of drug were prepared via acetone marination-room temperature dried method and HCl marination-NaOH regeneration-freeze-dried method using isoquinoline as model drug,and then drug encapsulation and release behavior were studied.When the ratio of glutaraldehyde to chitosan was between 0.40 and 0.53 and drug loaded quantity was 20%��30%(mass ratio),nearly 75% drug was released during the first 15 h,and the ratio of drug encapsulation kept 40%��50%.The results provided foundational data for the application of chitosan-gelatin drug-loaded microsphere in biomedical field.
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Received 2008-05-15; published 2008-05-15
Cite this article:   
YAO Fang-lian,YU Xiao,ZHOU Yu-tao.Preparation of Chitosan-Gelatin Drug Loading Microshpere and Its Release Characteristics[J]  Chemcial Industry and Engineering, 2008,V25(3): 215-219
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