^pde;
Recherche;
sur;
les;
Macromoldcules;
Facultd;
des;
Sciences;
Universit~;
Abou;
BakrBelkaM;
BP;
l;
9;
13000;
Tlemcen Algdrie;
Biologie;
Faculte;
et;
de;
la;
Technologie;
Dr;
Tahar;
Moulay;
Saida;
Algdrie;
Chimie;
Macromoldeulaire;
(UMR;
CNRS;
N8;
8009);
Batiment;
C6;
Universitd;
Technologies;
Lille 59655;
Villeneuve;
d'Ascq;
Cedex;
France;