Table 1: Polyelectrolyte titration and nitrogen content results.

Treated cotton withAmount of nitrogen
(mmol/g fibre)
Amount of cationic charges
(meq/g fibre)

0.5% chitosan (lower MW)0.320.040
0.5% chitosan (lower MW)/GPTMS0.530.057
GPTMS-ZnO (10%, 30 nm)0.032
GPTMS-ZnO (10%, 30 nm)/0.5% chitosan composite0.550.065