• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 18 Issue 5
Oct.  2005
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Article Contents
ZHOU Shao-bing, SUN Jing, ZHENGXiao-tong. Preparation ofBiodegradableM icrospheresContaining Human Serum Album in[J]. Journal of Southwest Jiaotong University, 2005, 18(5): 625-627.
Citation: ZHOU Shao-bing, SUN Jing, ZHENGXiao-tong. Preparation ofBiodegradableM icrospheres Containing Human Serum Album in[J]. Journal of Southwest Jiaotong University, 2005, 18(5): 625-627.

Preparation ofBiodegradableM icrospheres Containing Human Serum Album in

  • Publish Date: 25 Oct 2005
  • Poly-DL-lactide-b-polyethylene glycol (PELA) block copolymerswere synthesized by ring- opening polymerization of lactide with polyethylene glyco.l PELA microspheres containing human serum albumin (HSA) were elaborated by the solvent extraction method based on the formation of doubleW1/O/W2emulsion. The microspheres with an idealmean diameter of 1. 36μm and a size distribution ranging from 0. 5 to 5μm were smooth and spherica.l The effects of concentration of alginate/CaCl2added in the internal water phase on the encapsulation efficiency ofHSA and the characteristics of the microspheres were investigated, and the content of protein in the microspheres was testedwith the CBB (Coomassie brilliant blue) method. The results show that the encapsulation efficiency is improved obviouslywhen the concentration of added alginate/CaCl2is 3. 0% (W /W) in the internalwater phase.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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