... V CHITIN, CHITOSAN, OLIGOCHITOSAN 1.1.1 Ngu n g c chitin, chitosan, oligochitosan 1.1.2 C u trúc chitin, chitosan, oligochitosan 1.1.3 ng d ng chitin, chitosan, oligochitosan ... COS Oligochitosan COSM5 Oligochitosan, Mw ~ kDa COSM10 Oligochitosan, Mw ~ 10 kDa CTS Chitosan CTS-91 Chitosan có axetyl~91%, Mw ~49 kDa CTS-80 Chitosan có axetyl~80%, Mw ~50 kDa CTS-72 Chitosan ... nhân H2O2 b c x gamma Co-60 vi c c t m ch chitosan ch t o oligochitosan, ch n th c hi n chitosan b ng hi u ng tài: Nghiên c u c t m ch ng v n H2O2/b c x gamma Coban– 60 t o oligochitosan ch tài...