polymer ampholites , partially n-succinylated chitosans ( psc ) , and partially n-succinylated glycolchitosans ( psgc ) were prepared from chitosan ( an n-deacetylated chitin ) and glycolchitosan ( a partially o-2-hydroxyethylated chitosan ) , and they were utilized as novel supports for the immobilization of enzymes .
C0008141
chitin
C0162969
chitosan