Engineering;
Department,;
Chemistry;
School,;
Federal;
University;
of;
Rio;
de;
Janeiro,;
Rio;
de;
Janeiro;
21941-909,;
Brazil;
of;
Macromolecules;
Professor;
Eloisa;
Mano,;
Federal;
University;
of;
Rio;
de;
Janeiro,;
Rio;
de;
Janeiro;
21941-909,;
Brazil;