5Madhushree Ghosh,Renu Tyagi,M. N. Gupta. Preparation of trypsin free chymotrypsin[J] 1995,Biotechnology Techniques(2):149～152
6T. Alexakis,D. K. Boadi,D. Quong,A. Groboillot,I. O’Neill,D. Poncelet,R. J. Neufeld. Microencapsulation of DNA Within alginate microspheres and crosslinked chitosan membranes for in vivo application[J] 1995,Applied Biochemistry and Biotechnology(1):93～106
7Graham W. Gooday. Physiology of microbial degradation of chitin and chitosan[J] 1990,Biodegradation(2-3):177～190
8James M. Gallo,Emad Eldin Hassan. Receptor-Mediated Magnetic Carriers: Basis for Targeting[J] 1988,Pharmaceutical Research(5):300～304
