@article {15574,
	title = {Straightforward determination of the degree of N-acetylation of chitosan by means of first-derivative UV spectrophotometry},
	journal = {Macromolecular Chemistry \& Physics },
	volume = {209},
	year = {2008},
	month = {2008-11-13},
	pages = {1463-1472},
	author = {da Silva, R. M. P. and Mano, J. F. and Reis, R. L.}
}
