Preparation of novel biodegradable polyampholyte: Partially dicarboxylated chitosan

Chemistry Letters

Volumn , Issue 3, 1997, Pages 215-216

  Matsumura, Shuichi ^a   Yokochi, Eiji ^a   Winursito, Isananto ^a   Toshima, Kazunobu ^a  

^a KEIO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0031487015     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1997.215     Document Type: Article

References (10)

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2. Y. Ohya, K. Okawa, J. Murata, and T. Ouchi, Angew. Makromol. Chem., 240, 263 (1996).
3. M.S. Nieuwenhuizen, A.P.G. Kieboom, and H. van Bekkum, Starch, 37, 192 (1985).
4. S. Matsumura, M. Nishioka, H. Shigeno, T. Tanaka, and S. Yoshikawa, Angew. Makromol. Chem., 205, 117 (1993).
5. Y. Ohya, T. Takei, and T. Ouchi, Carbohydr. Polym., 25, 123 (1994).
6. 100% Deacetylated chitosan was purchased from Katokichi Co., Ltd. (Kannonji-shi).
7. 2OH)-O-, -CH(OH)-], 100.9-102.5 (-O-CH-O-), 174.9-177.1 (COONa).
8. A.F.S.A. Habeeb, Anal. Biochem., 14, 328 (1966).
9. -3 NaCl at pH 6.8 was used as the eluent. The GPC system was calibrated with a poly(ethylene oxide) standard.
10. OECD Guidelines for Testing of Chemicals, 301C, Modified MITI Test, Organization for Economic Cooperation and Development, Paris.