Small angle X-ray scattering (SAXS) study of meso-tetrakis(4-sulfonatophenyl) porphyrin (TPP'S IND.4') in aqueous solution - Gandini, Shirley de Cássia Monte; Gelamo, Emerson Luiz; Itri, Rosangela; Tabak, Marcel (Activity Report 2001, 2002)