Direct detection of underivatized chitooligosaccharides produced through chitinase action using capillary zone electrophoresis - Blanes, Lucas; Saito, Renata Mayumi; Genta, Fernando Ariel; Donegá, Juliana; Terra, Walter Ribeiro; Ferreira, Clélia; Lago, Claudimir Lucio do (Analytical Biochemistry, 2008)