Chemical structure of native and modified sulfated heterorhamnans from the green seaweed Gayralia brasiliensis and their cytotoxic effect on U87MG human glioma cells

Ester Mazepa, Miguel D. Noseda, Luciana G. Ferreira, Mariana M. de Carvalho, Alan G. Gonçalves, Diogo R.B. Ducatti, Daniel de Lima Bellan, Rafaela P. Gomes, Edvaldo da Silva Trindade, Célia Regina Cavichiolo Franco, Franciane Pellizzari, Sheila Maria Brochado Winnischofer, Maria Eugênia R. Duarte